Wind Resource Assessment: San Nicolas Island, California2.1 San Nicolas Island San Nicolas Island (SNI) is the site of the Navy Range Instrumentation Test Site which relies on an isolated

NRELITP-442-20231 • UC Category: 1212 • DE96000515

Wind Resource Ass San Nicolas Island,

Ed McKenna

sment: alifornia

National Renewable Energy Laboratory

Timothy L. Olsen Timothy L. Olsen Consulting

NREL technical monitor: Ed McKenna

National Renewabl� Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401-3393 A national laboratory of the U.S. Department of Energy Managed by Midwest Research Institute for the U.S. Department of Energy under contract No. DE-AC36-83CH10093

Prepared under Subcontract No. CCD-5-15223

January 1996

NOTICE

This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof.

...

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Prices available by calling (615) 576-8401

Available to the public from: National Technical Information Service (NTIS) U.S. Department of Commerce 5285 Port Royal Road Springfield, VA 22161 (703) 487-4650

t.� Printed on paper containing at least 50% wastepaper, including 1 0% postconsumer waste

CONTENTS

Foreword ............................................................................................................................ iii

Acknowledgments .............................................................................................................. iv

1.0 Introduction ............... .................................................................................................... !

2.0 Background ............................................................................ . . . . . . . ......................... ...... . 2

2.1 San Nicolas Island ............................................................................................ 2 2.2 Wind Energy Site Description .......................................................................... 5 2.3 Wind Data Collection And Analysis ......... ........................................................ 7

3.0 Wind Resource ........................................................................................................... 10

3.1 Historical Data ................................................................................................ 1 0 3 .2 Current Data Statistics . . ..................................................................... ............ 12 3.3 Annual Meteorological Records ......................................................... ............ 13 3.4 Annual Average Diurnal Wind Speed ............................................................ 16 3. 5 Prevailing Wind Direction .............................................................................. 1 7

4.0 Conclusion .......... ........................................................................................................ 20

References ..................................... ..................................................................................... 21

Appendix A: Daily Wind Speed Records

Appendix B: Monthly Wind Speed Records

Appendix C: Monthly Average Diurnal Wind Speeds

List of Tables Page

1. Meteorological Instrumentation, San Nicolas Island ............................................... 8

2. Sensor Accuracy and Precision, San Nicolas Island ................................................ 9

3. Summary of Current SNI Meteorological Data ........... ......................................... .11

List of Figures Page

1. San Nicolas Island Location Map ............................................... ............................. 3

2. San Nicolas Island Topographic Map ..................................................................... .4

3. SNI Facilities and Potential Wind Farm Site ........................................................... 6

4. SNI Historical Wind Speeds .................................................................................. 10

5. SNI Wind Speed Frequency Distribution .............................................................. 12

6. Annual Wind Speed Record ................................................................................... 13

7. Annual Temperature Record .................................................... .............................. 14

8. Annual Pressure Record .............................................. ........................................... 14

9. Annual Density Record .......................................................................................... 15

10. Annual Power Density Record ............................................................................... 15

11. Annual Average Diurnal Wind Speed ................................................................... 16

12. Wind Rose: Percent Time ..................................................................................... 17

13. Wind Rose: Average Wind Speed ........................................................................ 18

14. Wind Rose: Time Weighted Average Wind Speed .............................................. 19

ii

FOREWORD

This joint Department of Energy (DOE) and National Renewable Energy Laboratory (NREL) report was prepared as an account of work for others funding contract, sponsored by the Department of Defense (DoD) Strategic Environmental Research and Development Program (SERDP) under DOE Contract# DE-AC02-83CH10093.

This report documents the wind resources on San Nicolas Island (SNI) from detailed field measurements collected for one year and coarse historical data collected over 32 years. This report will be used by DoD/ United States Navy (USN) Naval Facilities Engineering Service Center (NFESC) as input for additional economic and feasibility studies for a Wind-Diesel

installation for SNI.

Timothy L. Olsen, Engineering Consultant, was contracted to provide data reduction analysis,

research historical wind resource data, and assist with generation of this report.

iii

ACKNOWLEDGMENTS

The authors wish to acknowledge major contributions to the success of this project by Bob Keller, Bill Gage, and Sherwin West of Mountain Valley Energy, who helped to install, commission, and operate the meteorological test equipment. Sherwin West also helped collect and process large quantities of wind resource data. Neil Kelley of NREL shared his excellent meteorological advice and guidance in presentation and interpretation of the wind resource data. Sue Hansen of Sandia National Laboratories tracked down and furnished old reports on San Nicolas Island (SNI) wind resources. Dennis Elliott and Marc Schwartz of NREL helped us track down historical site data. Ron Vincent of NFESC, the SNI project manager, advised on all aspects of SNI facilities, costs, and operations. Lieutenant Commander Egeln, USN Officer in Charge for San Nicolas Island and USN Point Mugu Energy and Public Works Center (PWC) office made the site available for study and arranged travel to and from SNI. Scott Miller of NFESC assisted with instrumentation, and the rest of the SNI Navy support staff assisted with this project in countless ways. Kristin Olsen ofKO Consulting organized, edited, and typed the report and developed and refined its numerous graphs. Each of these people deserves special thanks for their role in bringing this project together.

IV

1.0 INTRODUCTION

This report presents an assessment of the local wind resource on San Nicolas Island(SNI), California. In section 2.0, SNI and its potential wind energy site are described, as well as the data collection and analysis procedures. Section 3.0 presents the wind resource data and its analysis results, including historical wind speed averages, current annual and monthly records, diurnal wind speeds, and annual wind roses. Conclusions about the SNI wind resource are

presented in section 4.0.

2.0 BACKGROUND

2.1 San Nicolas Island

San Nicolas Island (SNI) is the site of the Navy Range Instrumentation Test Site which relies on an isolated diesel-powered grid for its energy needs. As shown in Figure 1, the island is located in the Pacific Ocean 85 miles southwest of Los Angeles, California and 65 miles south of the Naval Air Weapons Station (NAWS), Point Mugu, California. SNI is situated on the continental

shelf at latitude N33°14' and longitude W119°27'. It is approximately 9 miles long and 3.6

miles wide and encompasses an area of 13,370 acres of land owned by the Navy in fee title [1].

The island, generally treeless, is relatively flat on top and drops sharply off on the south side with a more gradual slope to the ocean on the north side. The island's shoreline is formed by cliffs. The interior terrain is a rolling mesa, extensively eroded with little vegetation, mostly coarse grasses and few large shrubs. Its highest point is 907 feet high. The western end contains large shifting sand dunes, and the eastern end has a large sand spit extending eastward. Cliffs on the southern side of the island rise sharply from the sea to 700 feet within a mile of shore; cliffs on the northern side of the island rise to the mesa at 300-400 feet above sea level [1]. A topographic map of the island is shown in Figure 2.

The average mean monthly temperature on SNI is 15°C (59°F). In general, daily maximum

temperatures vary from 16 to 21 oc (60 to 70°F), and daily minimum temperatures vary from 9 to

14°C (48 to 58°F). The coolest month is usually January, and the warmest month is usually

September. No freezing temperatures have been recorded on SNI, but temperatures over 38°C

(100°F) have been recorded several times. Precipitation averages only 20.1 em (7.91 inches) per year, and 86% of the rain falls from November through February. The relative humidity ranges from 57% to 100%.

Winds on San Nicolas are prevailingly northwest and are strong most of the year. The average wind speed is 7.2 m/s (14 knots) and seasonal variation is small. The windiest months, March through July, have wind speeds averaging 8.2 m/s (16 knots). The least windy months, August through February, have wind speeds averaging 6.2 m/s (12 knots)

Much of San Nicolas Island is used as the Navy Range Instrumentation Test Site. The island is equipped with facilities supporting metric radar, telemetry, Extended Area Test System, optics, communications, microwave, missile launching, drone launching, surveillance radar, and target control. The main support facilities include a runway, an air terminal, housing, a power plant, a fuel farm, a reverse osmosis water system, and a public works and transportation building [1].

2

0

Santa Barbara Island

San Nicolas � Island

I 0 Santa Catalina �Island

�

33° ----��-----+------------------+-------�---------t------------��

NAUTICAL. MILES

0

120° I

50

.

119°

nCiemrnte Island

Figure 1. San Nicolas Island location map Source: San Nicholas Island Site Manual.

3

118°

4

If) = 0 (,) 2 c: = Cl)

2.2 Wind Energy Site Description

The wind energy site is located east-southeast of the center of the island, west of the airport, and along the island's crest, as shown in Figure 3. About 1.7 sq. krn (0.7 sq. mi.) in area, the site is the west portion of the quadrant bounded by Harrington Road, Owens Road and Monroe Drive. The highest elevation, 818 feet, occurs along Harrington Road toward Owens Road, from which the terrain slopes down to the north and northeast to 550 feet near Monroe Drive.

There are no trees or other wind obstructions on the site, just light vegetation including grasses and cacti. Parts of the site are very eroded and will require some fill and stabilization. Several low water tanks and buildings including the Power Plant Island Utilities are located upwind. The nearness of the power plant minimizes power line distances to the wind energy site.

This site has energetic winds year round. Although more optimal wind site locations may exist on the island, this particular site was selected so as not to interfere with radar, communications, and other naval operations, and to create minimum environmental and cultural impacts.

5

0\

LEGEND

tfWm Potential Windfarm Site

.&. Historical Monitoring Site

• New Monitoring Site

J/lflilloilkl

Figure 3. San Nicolas Island Naval Facilities and potential windfarm area Source: San Nicholas /.viand Site Manual.

t

2.3 Wind Data Collection and Analysis

In J uly 1994, NREL entered into a cooperative agreement with NFESC to collect one full year of high quality wind energy resource data at SNI. We examinated this data in detail, and reviewed historical summary data in order to describe long term behavior.

Instrumentation: The new data was collected through a full wind-energy meteorological sensor

system including two anemometers, two wind vanes, a temperature probe, and a barometer. The sensors were mounted 30.5 m (100ft) high atop Facility No. 186, the FIC Communications Tower. Details of the instrumentation are presented in Table 1.

Data collection: Data collection began 14 July 1994, and the full year used in this study ran from 1 August 1994 (0000 hours) to 1 August 1995 (0000 hours). All data was sampled at 1 Hz and then stQred as 2-minute and 1 0-minute averages. The 1 0-minute average data was used for

this report.

Data analysis: Daily records of the 1 0-minute average wind speed are plotted for the full year in Appendix A. The annual records use monthly data averages, and the monthly records use daily averages. An annual record is derived for air density using

p =pI (R* T)

where pis density, p is pressure, T is temperature, and R = 0.286 kJI(kg*K) for air. Then wind power density is derived using

P I A = 0.5 * p * V3

where P is power, A is area, and V is wind speed. Using hourly average data, the diurnal wind speeds are created by computing an average for each hour of the day over all days in the period.

Wind direction data is difficult to present because the most common directions do not necessarily have the strongest winds. Therefore, this report includes three types of wind roses (in section 3.7): percent time at each direction, average wind speed at each direction, and time-weighted

average wind speed at each direction.

Uncertainty Analysis: Measurement precision and accuracy are shown for each sensor and the data logger in Table 2. For air density and power density these values are derived from their corresponding source channels using the square root of the sum of the squares [2,3].

7

Figure 4: Meteorological In�trumentation, San Nicolas Island

Manufacturer Tag No Description Model Serial

AIR

AIR nla lntellisensor II 800·1 060 mb Barometer AB·2A 4E0029

Campbell Scientific 02104C Data Acquisition & Control System [MET! CR-10 08178

Campbell Scientific nla CR10KD Bracket Kit 6226 0000

Campbell Scientific nla SM· 716 Mounting Bracket 6234 0000

Campbell Scientific nla Temperature Probe wl 9 ft lead 107-U 0000

Campbell Scientific nla Solar Radiation Shield for 1 07-U 41301 0000

Campbell Scientific nla CR10 Wiring Panel 8032 1984 Campbell Scientific nla 12 v Power Supply I wlcharger PS12LA 0000

Campbell Scientific nla SOLAREX 10 Watt Solar Panel wl mount MSX 10 JP93l21000083

Campbell Scientific 02200C CR10KD Keyboard I Display CR·10 KO 3853

Campbell Scientific nla Enclosure 16" x 18" ENC 16118 0000

Campbell Scientific n/a Telephone Modem DC112 6612

Campbell Scientific 01629C Storage Module "1" Extended Temp Range SM-716 1379

Campbell Scientific 01682C Storage Module "2" Extended Temp Range SM-716 1772

Campbell Scientific nla 9·Pin Peripheral to RS-232 Interface SC-632 4776

Campbell Scientific nla External Power Cable PS12 #61861l T#612410

Max vol = 30v, lsc = 0.66 A 0000

100ft Wind Sensor System "A" WS-201 J Met One Instruments nla Wind Direction Sensor, WID "A" SD·201 488

Met One Instruments n/a Wind Direction Vane Assembly V-201 NIA

Met One Instruments n/a Wind Speed Sensor, WIS "A" SS-201 N3316

Met One Instruments nla Match wl Cup C-201 N3316

Met One Instruments nla Wired Crossarm (with connectors) CA-201 NIA

Met One Instruments n/a Junction Box JB·201·A NIA

'100ft Wind Sensor System "B" WS-201 J Met One Instruments nla Wind Direction Sensor, WID "B" SD-201 489

Met One Instruments n/a Wind Direction Sensor, WID "B" Replacement SD-201 MetOne

Met One Instruments n/a Wind Direction Vane Assembly V-201 NIA

Met One Instruments nla Wind Speed Sensor, WIS "B" SS•201 N3316

Met One Instruments nla Match wl Cup C-201 N3316

Met One Instruments nla Wired Crossarm (with connectors) CA-201 NIA

Met One Instruments nla Junction Box JB-201-A NIA

Met One Instruments nla 8 Ft. Retractable Instrument Boom Arm SPEC nla

wl NWTC nla 10 Ft. Retractable Mast Assy. Keller SPEC

8

NREL QA Code Calibration Date

Factory • 05120194

Factory, 4122194 NCR

NCR

NCR

NCR NCR NCR

NCR

NCR

NCR

NCR

NCR

NCR

NCR

NCR

Factory 6/1/94

NCR

Factory 6/1/94

NCR

NCR

NCR

Factory 6/1/94

Factory 1011/94

NCR

Factory 611/94

NCR

NCR

NCR

NCR

NCR

TOTAL$

San Nicolas Island, CA. Cost$ SNI Site #1

Returned to NREL 7114194 Ed

$695 SNI Tower Base ENC 16/18

$1,090 SNI Tower Base ENC 16118

$16 SNI Tower Base ENC 16118


$40 SNI 3m Base Temp Shield

$95 SNI 3m Base Temp Shield



$260 SNI Tower Base wl ENC 16118





$760 Module # 2 left wl S.Miller NFESC

$180 NFESC •• Scott Miller Computer

SNI Tower Base ENC 16/18

$1,400

SNI Tower Mast I Boom Assy






$1,400


$600 I Sensor shipped to S.Miller NFESC






$660 SNI Tower Mast I Boom Assy

$500 SNI Tower Mast I Boom Assy

$9,684 SNI Tower Mast I Boom Assy

Manufacturer Tag No Description

Campbell Scientific 02104C CR -1 0 An alog Channels 1 t hm 8

Campbell Scientific 02104C CR-10 Pulse Channell - 2

Met One Instnunents n/a Wind S peed Sensor, W/S "A"

Met One Instnunents n/ a Wind Direction S ensor, WID "A"

Met One Instnunents n/ a Wind S peed Sensor, W/S "B"

Met One Instnunents n/ a Wind Direction S ensor, WID "B"

Campbell Scientific n/a Temper ature Probe w / 9 ft le ad

AIR n/ a B arometer 800-1 060 mb

Calculated n/a Air Density

Calculated n/a Power Density

9

Figure 5: Sensor Accuracy and Precision, San Nicolas Island

Factory Precision

Model Serial Calib. Date (EU)

CR-10 08178 4122/94 333E-6

CR-10 08178 4122/94 8-bit

S S-201 N3315 6/l/94

SD-201 488 6/l/94

S S-201 N3316 6/l/94

SD -201 489 6/1/94

107-U 0000 6/l/94 0.100

AB-2A 4E 0029 6/l/94 0.0635

0.001

3.920

Precision Accuracy Accuracy Range Engr.

(% FS) (+/- EU) (+/-% FS) Units

0.013 0.05 2.5 vdc vdc

0.390 8-bit 2000 Hz

I 0.390 0.500 2.00 0- 90 rnls

0.013 3.600 1.00 0- 360 deg.

0.390 0.500 2.00 0 - 90 rnls

0.013 3.600 1.00 0- 360 de g.

0.140 0.100 0.14 -36 to+53 deg C

0.024 0.500 0.19 800-1060 hP a

0.142 0.002 0.24 0.86- 1.56 kg!m"3

0.690 19.700 3.47 0-569 W/m"2

3.0 WIND RESOURCE

3.1 Historical Data

The wind resource at most sites varies from year to year and, in fact, it can vary widely. For this

reason, it is prudent to review some long-term data at the nearest site available. Therefore, this section begins with a review of 32 years of wind speed data (1947-1978) at the SNI station

number 93116, compiled by Pacific Northwest Laboratories and managed by the National

Climatic Data Center [4]. Newer data is not yet available.

The anemometer locations changed several times for this collection of historical wind data, and therefore had different sensors, mountings, heights, exposures, and possibly drifting calibrations. The heights varied :from 4.6 m to 19.8 m, so each year's data was adjusted to this study's measurement height (30.5 m) using the 117 power law.

Readings generally were made 12-18 times a day- more often in the daytime -- thereby raising the possibility of skewing the averages with non-uniform intervals. Some bias toward lower wind speed measurements might be expected if more readings occurred in daytime, if unknown obstructions were present, or if old anemometers began to bind. Since these factors are not tractable, no attempt is made to account for them. The results of the historical wind speed data follow in Figure 4.

Annual Averages, Scaled to 30.5 m (100ft)

10 9 18 8 16-- tn � 7 14 0 E s:::

- 6 12 :::. "C G) 5 10 -g G) c. C1)

en 4 8 c. "C en s::: 3 6 "C � s:::

2 4 � 1 2 0 0

47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 Year

Figure 4: SNI Historical Wind Speeds

10

Interannual Variability in The Wind Resource: It is important to realize that a single year of

good wind data does not guarantee the same energy production each year. Examination of

historical data will help to quantify the interannual variability. The 32 year average wind speed at SNI is 6.1 m/s (11.8 knots) based on annual averages of hourly data, and the average of the annual standard deviations is 3.8 m/s (7.4 knots). But the standard deviation of the annual averages is 0.6 m/s, (1.2 knots) giving a variability of 0.6 I 6.1 = 0.10, or 10%. Despite our low confidence in the average wind speed, this variability implies that the annual average wind speed will fall within+/- 30% (3 standard deviations) 99% of the time, assuming these values are normally distributed. This can seriously affect energy production, as power is proportional to wind speed cubed. As an example, a 10% change in wind speed will cause about a 30% change in power; a 30% change in wind speed can alter power by a factor of three.

1 1

3.2 Current Data Statistics

Statistical analysis of the full year of NREL 10-minute data yields the results which follow in Table 3, and a full wind-speed distribution is presented in Figure 5.

Table 3: Summary of Current SNI Meteorological Data

Standard Channel Units Average Deviation Minimum Maximum Wind Speed rnls 7.2 4.8 0.0 28.5 Wind Speed knots 14.0 9.3 0.0 55.4 Ambient Temperature oc 14.5 3.9 6.4 33.4 Ambient Pressure mbar 983 4.6 965 997

Air Density kg/m 3 1.20 0.02 1.14 1.22 Power Density W/m2 473 759 2.3 4010

SNI, 30.5 m (100ft), FIC Tower, 1Aug94- 31Jul95 500 450 400

... 350 cu CD >- 300

... CD 250 c. � 200 :::J 0 150 J:

100 50 0

0 ' I > I , I I I

1 2

I

, .lllll.la.lh . .. ram•m· .

3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Wind Speed (m/s)

Figure 5: SNI Wind Speed Frequency Distribution

12

3.3 Annual Meteorological Records

Annual records using monthly averages have been plotted for wind speed, ambient temperature, ambient pressure, air density, and power density. These plots appear in Figures 6-10. The source data was derived from NREL testing on SNI at 30.5 m (100ft) on Facility No. 186 for the period 1 August 1994 through 31 July 1995. Wind speeds reached their highest monthly average (10.3 m/s, 20 knots) in April and lowest (4.5 rnls, 8.7 knots) in February, with near average levels the rest of the year. Temperature and pressure cycled gently with more warmth and lower pressure in the summer, causing slightly lower summer densities. Power density looks like an exaggeration of wind speed, as expected from its cubic relationship.

Monthly records using daily average wind speeds are shown in Appendix B for each month from August 1994 through July 1995. Daily records based on 10-minute average wind speeds appear

in Appendix A, as mentioned earlier.

20

18

16 -U) - 14 E -'t:l 12 Cl) Cl) 10 c.

f/) 't:l 8 c � 6

4

2

0 ,

Aug 94

San Nicolas Is land, 30.5 m (1 00ft), FIC Tower

Aug 94 - Jul95 , Monthly Averages

Oct 94 Dec94 Feb95 Apr95 Jun 95

Month

Figure 6: Annual Wind Speed Record

13

35

30 fi) -0 25 �

-20 -g

Cl) c. 15 f/)

't:l c 10 � 5

0

20

18 -

16 (.) en

14 C1l "C -12 C1l ... :I 10 -ctl ... 8 C1l c.

E 6 C1l 1- 4

2

0

Aug 94

San Nicolas Island, 30.5 m (100ft), FIC Tower Aug 94- Jul 95, Monthly Averages

Oct 94 Dec 94 Feb 95 Apr95

Month

Jun 95

Figure 7: Annual Temperature Record

1000

995

-... ctl 990 .Q

E -C1l 985 ... :I Cl) Cl) C1l 980 ... a.

975

970

Aug94

San Nicolas Island, 30.5 m (100ft), FIC Tower Aug 94- Jut 95, Monthly Averages

Oct 94 Dec 94 Feb 95

Month

Apr95 Jun 95

Figure 8: Annual Pressure Record

14

l I

-(") < E -Cl � >-� Ill c: Cl)

c

1.30

1.28

1.26

1.24

1.22

1.20

1.18

1.16

1.14

1.12

1.10

Aug 94


Oct 94 Dec 94 Feb95

Month

Apr95

Figure 9: Annual Density Record

700

- 600 N < E

500

� � 400 'iii c: Cl) c 300

... Cl) 200 == 0 a.. 100

0

Aug 94


Oct94 Dec 94 Feb95 Apr95

Month

Figure 10: Annual Power Density Record

15

Jun 95

Jun 95

3.4 Annual Average Diurnal Wind Speed

Although the diurnal (or daily cycle) wind speeds may vary widely from day to day, certain trends exist at most sites. These trends can be elucidated by averaging many daily cycles

together. This is done by averaging the wind speeds for each hour of the day over the averaging period, in this case one year. For example, all wind speeds for 0000 to 0100 hours each day are averaged and labeled 0100, all wind speeds for 0100 to 0200 hours are averaged and labeled 0200, and so on. The annual average diurnal wind speed, as shown in Figure 11, is based on the NREL test data at 30.5 m (1 00 ft) on SNI Facility No. 186 from 1 August 1994 through 31 July 1995. The diurnal wind speed pattern shows a single cycle with a 6.1 mls (12 knots) average low at 1100 hours and an 8.6 m/s (17 knots) high at 2000 hours.

The same techniques used to calculate annual average diurnal wind speed distribution were used

to calculate monthly averages, using NRELISNI data. The monthly average diurnal wind speeds appear in Appendix C.

---l San Nicolas Island, 30.5 m (100ft), FIC Tower 1 Aug 1 9 94-31 Jul1 9 95, Hourly Averages

20�---------------------------------------------------.

18+---------------------------------------------------�

16+---------------------------------------------------�

� 14+----------------------------------------------------4

s 12+---------------------------------------------------� "C � 10+---------------------------------------------------� c.

(/)

"C c

� 8+-��--------------------------------------��--�

4��----��----��----��----��--�

2��----��----��----��----��--�

o��LW��WR��LU�� 0000 0400 0800 1200

Time of Day

1600 2000

Figure 1 1 : Annual Average Diurnal Wind Speed

16

I I ! I I

I I 35

I 30 iij -0 25 c

..:.:: -"C

20 Cl) Cl) c.

(/) 15 "C

c

10 � 5

0

3.5 Prevailing Wind Direction

In this report "wind direction" refers to the source -- the direction from which the wind blows.

Wind direction data is difficult to summarize because of the need to show both the duration of

winds at different directions and the average wind speed at different directions, and these may not correlate well. As mentioned earlier, this data is presented three ways: percent time at each direction in Figure 12, average wind speed at each direction in Figure 13 a and b, and time

weighted average wind speed at each direction in Figure 14 a and b. The time-weighted averages

will sound relatively low, since this calculation assigns a wind speed of zero for time not at the

given direction. However, the sum of these values equals the annual average wind speed (from all directions). The percent-time and time-weighted-average plots both show the primary wind direction out of the northwest to north by northwest, with occasional wind from the west and southwest. (Note: Figures 13a and 14a have the units m/s; figures 13b and 14b are in knots.)

True Source Direction, 1 Aug 1994 - 31 J ul 1995 San Nicolas Island, 30.5 m (100ft), F IC Tower

w

Figure 12: Wind Rose: Percent Time

2 N

2

17

E

True Source Direction, 1 Aug 1994 - 31 J ul 1995 San Nicolas Island, 30.5 m (100ft), FIC Tower

1 N

E

Figure 13a: Wind Rose: Average Wind Speed (m/s)

True Source Direction, 1 Aug 1994 - 31 Jul1995 San Nicolas Island, 30.5 m (100ft), FIC Tower

2 N

E

s

Figure 13b: Wind Rose: Average Wind Speed (knots)

18

True Source Direction, 1 Aug 1994 - 31 Jul1995 San Nicolas Island, 30.5 m (100ft), FIC Tower

N

w E

Figure 14a: Wind Rose: Time Weighted Average Wind Speed (m/s)

True Source Direction, 1 Aug 1994 - 31 J ul 1995 San Nicolas Island, 30.5 m (100ft), F IC Tower

N

w E

Figure 14b: Wind Rose: Time Weighted Average Wind Speed (knots)

19

4.0 CONCLUSION

The predominantly northwest direction of the wind would favor that end of the island for wind

generation, but facility operations confine any potential windfarm to the central region which was tested for this study. San Nicolas Island has an excellent wind resource at that central site, with an annual average wind speed of 7.2 rn!s (14.0 knots) as measured by NREL at 30.5 m (1 00 ft) at Facility No. 186 during the year ending July 31, 1995. The 32-year historical data set

shows an average wind speed of 6.1 rnls (11.8 knots), with a standard deviation on the annual averages of 0.6 rnls (1.2 knots). This also would indicate a good site, with annual averages falling between 4.3 rn!s (8.4 knots) and 7.9 rnls (15.3 knots). Although the historical data carries a statistical advantage in its duration, the NREL data had much higher quality control.

The annual wind speed pattern varied from a low of 4.5 rnls (8.7 knots) in February to a high of 10.3 rnls (20 knots) in April, based on one month averages. The diurnal cycle swung from 6.1 rnls (12 knots) at 1100 hours to 8.6 rn!s (17 knots) at 2000 hours. The mild effect of these cycles imply a fairly steady wind resource, which is favorable for supplemental wind energy. However, short term wind speed variations are significant, as indicated by the standard deviation of 4.8 rnls

(9.3 knots) and extremes ofO rnls (0 knots) and 28.5 rnls (55.4 knots). Such variations could place significant demands on a hybrid wind/diesel energy system design.

20

REFERENCES

1. Dulka, K. et al. (1993). San Nicolas Island and Santa Cruz Island Site Manual, Naval Air Weapons Center Weapons Division.

2. Taylor, J. (1988). Fundamentals of Measurement Error, Neff Instrument Corporation.

3. American Society of Mechanical Engineers. ( 1986) Instruments and Apparatus, Part 1: ·

Measurement Uncertainty, ANSIIASME PTC 19.1-1985.

4. Elliott, D. L. et al. (1987). Wind Energy Resource Atlas of the United States,

DOE/CH10093-4, Pacific Northwest Laboratory.

5. Pal, D.; Smuck, S. (1988). Wind Power Assessment for Offshore Landing Field, San

Nicolas Island, CA, TM no 74-88-06, Naval Civil Engineering Laboratory.

6. McKenna, E. (1993). Report on the Visit to DOD- USN Facilities for SERDP Project, Inter-Office Memorandum, National Renewable Energy Laboratory.

7. Taylor, W. H., Jr.; Pal, D. (1981) Preliminary Wind Resource Assessment for Naval Shore Establishments, TM no M-63-81-20.

8. Reed, J. (1979). Some Variability Statistics of Available Wind Power, SAND 78-1735, Sandia National Laboratories.

9. Reed, J. (1979). Wind Power Climatology of the United States- Supplement, SAND 78-1620, Sandia National Laboratories.

10. Reed, J. (1978). Wind Speed Distribution Changes With Height at Selected Weather Stations, SAND 76-0714, Sandia National Laboratories.

21

APPENDIX A: Daily Wind Speed Records

SNI - 1 AUG 1 994 SNI - 2 AUG 1 994 20 20

1 8 35 1 8 35

1 6 3 0 Ui 1 6 30 Ui Ul ,_ � 1 4 ,_

0.. 1 4 0 0

:>:: 25 � :>:: 25 � 1 2 1 2

Cl D 20 D w 1 0 2 0 D w 1 0 w w w w

0.. w 0.. w Ul 8 1 5 e; Ul 8 1 5 e; Cl D z 6 D z 6 D ; HI ;:: ::. 1 0 ;::

4 ::. 4 ::. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 HI 1 2 1 4 1 6 1 8 211l 22 24

HOUR HOUR

SNI - 3 AUG 1 994 SNI - 4 AUG 1 994 211l 20

1 8 35 1 8 35

1 6 311l Ui 1 6 3 0 Ui Ul 1 4 ,_ � 1 4 ,_

0.. 0 0

:>:: 25 � :>:: 25 � 12 - 1 2 Cl D w 1 0 20 D t:j 1 0 20 D w w w 0.. w 0.. w Ul 8 1 5 e; "' 8 1 5 e; D D z 6 D z 6 D ; 1 0 ;:: ; 1 11l ;::

4 ::. 4 ::. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 5 AUG 1 994 SNI - 6 AUG 1 994 20 20

1 8 35 1 8 35 1 6 3 0 Ui 1 6 30 Ui

� 1 4 ,_ � 1 4 ,_ 0 0

:>:: 25 � :>: 25 � 12 - 1 2 Cl D w 1 0 2!il D t:j 1 0 20 8 w w 0.. w 0.. w "' 8 1 5 e; "' 8 1 5 e; Cl D z 6 D z 6 D ::. 1 0 ;:: ; 1 0 ;::

4 ::. 4 ::. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 l1l 2 4 6 8 1111 1 2 1 4 1 6 1 8 211l 22 24

HOUR HOUR

SNI - 7 AUG 1 'l94 SNI - 8 AUG 1 'l94 20 20 1 8 35 1 8 35 1 6 30 iii 1 6 30 iii

(f) 1 4 >-- (f) 1 4 >--a. 0 a. 0 :0:: 25 ;:;: :0:: 25 ;:;: - 1 2 1 2 Cl Cl

� 1 0 2 0 8 w 1 0 20 8 w a. w a. w (f) 8 1 5 e; (f) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl ;: 1 0 ::: - 1 0 ::: ::.

4 ::. 4 ::.

2 5 2 5

0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 9 AUG 1 'l'l4 SNI - 1 0 AUG 1 'l'l4 20 20 1 8 35 1 8 35 1 6 3 0 iii 1 6 30 iii

(f) 1 4 >-- � 1 4 >--a. 0 0 :0:: 25 ;:;: ::E: 25 ;:;: 12 - 1 2 Cl Cl w 1 0 2 0 Cl � 1 0 20 Cl w w w a. w a. w (f) 8 1 5 e; (f) 8 1 5 e; Cl Cl

::: 6 Cl z 6 D "' 1 0 ::: ;: 1 0 =

4 ::. 4 ::.

2 5 2 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 1 AUG 1 'l94 SNI - 1 2 AUG 1 994 20 2� 1 8 35 1 8 35 1 6 3 0 iii 1 6 30 iii

� 1 4 >-- � 1 4 >--0 0

:>: 25 ;:;: ::E: 25 ;:;: - 1 2 1 2 Cl Cl

� 1 0 2 0 8 w 1 0 2 0 Cl w w

a. w a. w (f) 8 1 5 e; (f) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl

;: 1 0 = ;: 1 0 = 4 ::. 4 ::.

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 3 AUG 1 994 SNI - 14 AUG 1994 20 20

1 8 35 1 8 35

1 6 3 0 ;:;:; 1 6 3 0 ;:;:; (/) 1 4 t- � 1 4 t-Cl. 0 0 :0:: 25 5:2 :0:: 25 5:2 1 2 - 1 2 0 0 L.U 1 0 20 0 tj 10 20 B L.U L.U Cl. L.U Cl. L.U (/) 8 1 5 B; (/) 8 1 5 B; 0 0 z 6 0 z 6 0 :.;; 1 0 ;::: :.;; 1 0 =

4 ::0 4 ::0

2 5 2 5

0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 5 AUG 1 994 SNI - 1 6 AUG 1994 20 20

1 8 35 18 35 16 30 ;:;:; 1 6 30 ;:;:;

(/) 1 4 t- � 1 4 t-Cl. 0 0 :0:: 25 � :0:: 25 � - 1 2 - 1 2 0 0 tj 1 0 20 0 tj 1 0 20 0

L.U L.U Cl. L.U a. L.U (/) 8 1 5 e; (/) 8 1 5 e; 0 0 ;::: 6 0 z 6 0 ::0 1 0 ;::: ::0 1 0 ;:::

4 ::0 4 ::0

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 18 20 22 24

HOUR HOUR

SNI - 1 7 AUG 1 994 SNI - 1 8 AUG 1994 20 20 1 8 35 1 8 35 1 6 3 0 ;:;:; 1 6 3 0 ;:;:;

(/) 1 4 t- (/) 1 4 t-Cl. 0 a. 0 :0:: 25 5:2 :0:: 25 5:2 1 2 1 2 0 0 L.U 1 0 2 0 B tj 1 0 20 0 L.U L.U a. L.U a. L.U (/) 8 1 5 e; (/) 8 1 5 e; 0 0 z 6 0 z 6 0 "" 1 0 ;::: :.;; 1 0 ;:::

4 ::0 4 ::0

2 5 2 5

0 " " 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 9 AUG 1 994 SNI - 20 AUG 1 994 20 20

1 8 35 1 8 35 1 o 30 ;;; 1 o 30 ;;;

Ul 1 4 ,.... g> 1 4 ,.... 0.. 0 0 :>:: 25 � :>:: 25 � 1 2 1 2 0 0 w 1 0 20 0 w 1 0 20 8 w w w 0.. w 0.. w Ul 8 1 5 [); Ul 8 1 5 [); 0 0 z 0 0 z 0 0 , 1 0 � ;; 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 0 8 1 0 1 2 1 4 1 o 1 8 20 22 24 0 2 4 0 8 1 0 1 2 1 4 1 o 1 8 20 22 24

HOUR HOUR

SNI - 21 AUG 1 994 SNI - 22 AUG 1 994 20 20 1 8 35 1 8 35 1 0 3 0 ;;; 1 o 30 ;;;

Ul 1 4 ,.... g> 1 4 ,.... 0.. 0 0 :>:: 25 � :>:: 25 � 1 2 - 1 2 Cl Cl w 1 0 20 Cl t:} 1 0 20 Cl w w w 0.. w 0.. w Ul 8 1 5 B; Ul 8 1 5 B; 0 Cl � 0 Cl z 0 Cl "' 1 0 � ;; 1 0 �

4 "' 4 , 2 5 2 5

0 0 0 0 2 4 0 8 1 0 1 2 1 4 1 o 1 8 20 22 24 2 4 0 8 1 0 1 2 1 4 1 0 1 8 20 22 24

HOUR HOUR

SNI - 23 AUG 1 994 SNI - 24 AUG 1 994 20 20 1 8 35 1 8 35 1 6 3 0 ;;; 1 6 3 0 ;;;

g> 1 4 ,.... g> 1 4 ,.... Cl 0 :>:: 25 � :>:: 25 � - 1 2 - 1 2

Cl Cl t:} 1 0 2 0 Cl w t:j 1 0 20 Cl

w 0.. w a. w Ul 8 1 5 [); Ul 8 1 5 [); Cl Cl z 0 Cl z 0 Cl

;; 1 0 � "' 1 0 � 4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNJ - 25 AUG 1 994 SNI - 26 AUG 1 994 20 20

1 8 35 1 8 35

1 6 3 0 Ui 1 6 3 0 Ui (J) 1 4 >-- � 1 4 >--a. 0 0 "' 25 � "' 25 � 1 2 - 1 2 0 0

20 0 � 1 0 2 0 0 � 1 0 w w a. w a. w (J) 8 1 5 e; (J) 8 1 5 e; 0 0

0 z 6 0 z 6 :X 1 0 = :X 1 0 =

4 :X 4 :X

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 21il 22 24

HOUR HOUR

SNI - 27 AUG 1 994 SNI - 28 AUG 1 994 21il 20 1 8 35 1 8 35 16 31il Ui 1 6 3 0 Ui

(J) 1 4 >-- � 1 4 >--a. 0 0 "' 25 � "' 25 � - 1 2 - 1 2 0 0

� H l 2 0 0 w � H l 2 0 8

a. w a. w (J) 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 0

1 0 = � 1 0 = :X :X 4 :X 4 :X

2 5 2 5

0 0 " 0 0 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 0 2 4 6 8 1 f1J 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 29 AUG 1 994 SNI - 31il AUG 1 994 20 21il 1 8 35 1 8 35 1 6 3 0 Ui 1 6 3 1il Ui (J) 1 4 >-- (J) 1 4 >--a. 0 a. 0 "' 25 � :<: 25 � 1 2 1 2

0 0 w 1 1il 2 1il 0 � 1 1il 21il 0 w w w a. w a. w (J) 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 0

:X 1 1il = ;; 1 1il = 4 :X 4 :X

2 5 2 5

" " " " " 2 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 " 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 HOUR HOUR

SN! - 31 AUG 1 994 SNI - 1 SEP 1 994 20 20 1 8 35 1 8 35 1 6 30 iii 1 6 30 iii

� 1 4 1- (/) 1 4 1-0 a. 0 :<: 25 � :<: 25 � - 1 2 1 2

0 0 t;j 1 0 2 0 0

LU t;j 1 0 20 0 LU

a. LU a. LU (/) 8 1 5 e; (/) 8 1 5 e; 0 0 z 6 0 z 6 0 ; 1 0 � ; 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 2 SEP 1 994 SNI - 3 SEP 1 994 20 20 1 8 35 1 8 35 1 6 3 0 iii 1 6 3 0 iii

� 1 4 1- � 1 4 1-0 0 :<: 25 � :<: 25 � - 1 2 - 1 2

0 0 t;j 1 0 2 0 0

LU t;j 1 0 20 0 LU

a. LU a. LU (/) 8 1 5 g; (/) 8 1 5 g; 0 0 z 6 0 z 6 0 "' 1 0 � ; 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SN! - 4 SEP 1 994 SNI - 5 SEP 1 994 20 20 1 8 35 1 8 35

1 6 3 0 iii 1 6 30 iii � 1 4 1- � 1 4 1-

0 0 ::1: 25 � :<: 25 � - 1 2 - 1 2 0 0 20 0 t;j 1 0 2 0 0 t;j 1 0 LU LU a. LU a. LU (/) 8 1 5 e; (/) 8 1 5 e; 0 0 0 z 6 0 z 6 ; 1 0 � ; 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - o SEP 1 994 SNI - 7 SEP 1 994 20 21il

1 8 35 1 8 35

1 6 31il Ui 1 6 30 Ui (/) 1 4 >-- (/) 1 4 f--a. 0 a. 0 :>: 25 � :>: 25 � 1 2 1 2 Cl Cl w 1 1il 2 0 Cl w 1 1il 21il Cl w w w w a. w a. w (/) 8 1 5 B; (/) 8 1 5 B; Cl Cl z 0 0 z 0 0 ; 1 1il ::s - 1 1il ::s ::.

4 ::. 4 ::. 2 5 2 5

lil lil 0 lil lil 2 4 6 8 1 1il 1 2 1 4 1 0 1 8 21il 22 24 lil 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24

HOUR HOUR

SNI - 8 SEP 1 994 SNI - 9 SEP 1 994 21il 21il

1 8 35 1 8 35

1 6 3 1il Ui 1 6 31il Ui (/) 1 4 >-- � 1 4 >--a. 0 0 :>: 25 � :0:: 25 � 1 2 - 1 2 0 0

21il 8 w H l 21il 0 tj 1 0 w w a. w a. w (/) 8 1 5 B; Ul 8 1 5 B; 0 0 z 6 0 z 0 0 ::. 1 0 ::s ; 1 1il ::s

4 ::. 4 ::. 2 5 2 5

0 lil lil lil lil 2 4 0 8 1 1il 1 2 1 4 1 0 1 8 21il 22 24 lil 2 4 0 8 1 1il 1 2 1 4 1 0 1 8 21il 22 24

HOUR HOUR

SNI - 1 1il SEP 1 994 SNI - 1 1 SEP 1 994 21il 21il

1 8 35 1 8 35

1 0 30 Ui 1 6 31!l Ui (/) 1 4 >-- (/) 1 4 >--a. 0 a. 0 :>: 25 � :>: 25 � 1 2 1 2 0 0 t!j 1 0 2 1il 0 w 1 1il 21il 0 w w w a. w a. w (/) 8 1 5 B; (/) 8 1 5 B; 0 0 z 6 0 z 6 0 ::. 1 1il ::s ::. 1 1il :=

4 ::. 4 ::. 2 5 2 5

lil lil lil lil lil 2 4 0 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 0 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24

HOUR HOUR

SNI - 1 2 SEP 1 994 SNI - 1 3 SEP 1 994 20 20 1 8 35 1 8 35 1 6 3 0 Vi

1 6 30 Vi � 1 4 .... � 1 4 ....

0 0 "' 25 � "' 25 � - 1 2 - 1 2 0 0 t:::l 1 0 2 0 0

w t:::l 1 0 20 0 w

c.. w c.. w (f) 8 1 5 e; (f) 8 1 5 e; 0 0 z 6 0 z 6 0

"' 1 0 ;:; :; 1 0 ;:; 4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1121 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 4 SEP 1 994 SNI - 1 5 SEP 1 994 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi

(f) 1 4 .... (f) 1 4 .... c.. 0 c.. 0 "' 25 � "' 25 � - 1 2 1 2 0 0 t:::l 1 0 20 0 w 1 0 20 0

w w w c.. w c.. w (f) 8 1 5 e; (f) 8 1 5 e; 0 0 z 6 0 z 6 0 - 1 0 = 1 0 ;:; "' "'

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 6 SEP 1 994 SNI - 1 7 SEP 1 994 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi (f) 1 4 .... � 1 4 ....

c.. 0 0 "' 25 � "' 25 � 1 2 1 2 0 0

t:::l 1 0 2 0 0 w 1 0 20 0 w w w

c.. w c.. w (f) 8 1 5 e; (f) 8 1 5 e; 0 0 z 6 0 z 6 0 :; 1 0 ;:; :; 1 0 ;:;

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

S N I - 1 8 SEP 1 994 SNI - 19 SEP 1 994 20 20

1 8 35 1 8 35

1 6 30 ;:;; 1 6 30 ;:;; Ul 1 4 ,._ � 1 4 ,._ 0.. 0 0 "' 25 � "' 25 � 1 2 - 1 2 Cl 0 w 1 0 2 0 0 tj 1 0 20 0 w w w 0.. w 0.. w "' 8 1 5 B; Ul 8 1 5 B; 0 0 z 6 0 z 6 0

;: 1 0 ;:::; ;: 1 0 ;:::; 4 "' 4 :X

2 5 2 5

0 0 0 2 4 6 8 H I 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 20 SEP 1 994 SNI - 21 SEP 1 994 20 20

1 8 35 1 8 35

1 6 30 ;:;; 1 6 30 ;:;; Ul 1 4 ,._ Ul 1 4 ,._ 0.. 0 0.. 0 "' 25 � "' 25 � 1 2 1 2 Cl 0 tj 1 0 20 0 w 1 0 20 8 w w 0.. w 0.. w Ul 8 1 5 B; Vl 8 1 5 B; 0 Cl z 6 0 z 6 0 ;: 1 0 ;:::; ;: 1 0 ;:::;

4 "' 4 "'

2 5 2 5

0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 22 SEP 1 994 S N I - 23 SEP 1 994 20 20 1 8 35 1 8 35 1 6 30 ;:;; 1 6 30 ;:;;

� 1 4 ,._ Vl 1 4 ,._ 0 0.. 0

"' 25 � "' 25 � - 1 2 1 2 0 Cl tj 1 0 20 0

w tj 1 0 20 0 w

0.. w 0.. w U) 8 1 5 B; U) 8 1 5 B; 0 Cl z 6 0 z 6 0

"' 1 0 ;:::; ;: 1 0 ;:::; 4 "' 4 :X

2 5 2 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1111 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNJ - 24 SEP 1 994 S N I - 25 SEP 1 994 20 20 1 8 35 1 8 35 1 6 3 0 Vi

1 6 30 Vi � 1 4 t-- en 1 4 t--

0 a. 0 :>: 25 � X: 25 � 1 2 1 2 Cl Cl � 1 0 2 0 0 UJ 1 0 20 Cl "' "' "' a. "' a. "' en 8 1 5 � en 8 1 5 � Cl Cl z 6 Cl z 6 Cl ;: 1 0 � ;: 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 26 SEP 1 994 SNI - 27 SEP 1 994 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi

� 1 4 t-- en 1 4 t--0 a. 0

:>: 25 � X: 25 � - 1 2 1 2 Cl 0 � 1 0 2 0 8 UJ 1 0 20 Cl "' "' a. "' a. "' (f) 8 1 5 � en 8 1 5 � Cl 0 z 6 Cl z 6 0 ;: 1 0 � ;: 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 28 SEP 1 994 SN J - 29 SEP 1 994 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi en 1 4 t-- en 1 4 t--a. 0 a. 0 :>: 25 � X: 25 � 1 2 1 2

Cl 0 "' 1 0 2 0 8 UJ H I 20 Cl "' UJ "' a. "' a. w U) 8 1 5 � (f) 8 1 5 � Cl 0 z 6 0 z 6 0 "' 1 0 � "' 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 3� SEP 1 994 SNI - 1 OCT 1 994 2� 20

1 8 35 1 8 35

1 6 3 � v; 1 6 3 0 v; Ul 1 4 f-- � 1 4 f--"- 0 0 :>:: 25 � :>:: 25 � 1 2 - 1 2 0 0 t;:; 1 0 2 0 0 t;:; H l 20 0

UJ UJ "- UJ "- UJ Ul 8 1 5 e; Ul 8 1 5 e; 0 0 z 6 0 z 6 0 :; 1 � � :; 1 0 �

4 3 4 3

2 5 2 5

0 0 � � 0 2 4 6 8 H l 1 2 1 4 1 6 1 8 2� 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 2 OCT 1 994 SNI - 3 OCT 1 994 20 20 1 8 35 1 8 35 1 6 3 0 v; 1 6 3 0 u;

Ul 1 4 f-- � 1 4 f--"- 0 0 :>:: 25 � "' 25 � - 1 2 - 1 2 0 0 t;:; Hl 20 0

UJ t;:; H l 20 0 UJ "- UJ "- UJ Ul 8 1 5 e; Ul 8 1 5 e; 0 0

z 6 0 z 6 0 :; 1 0 � :; 1 0 �

4 3 4 3

2 5 2 5

0 0 � 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2� 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 4 OCT 1 994 SNI - 5 OCT 1 994 20 20 1 8 35 1 8 35 1 6 30 v; 1 6 30 v;

� 1 4 f-- � 1 4 f--0 0 :>:: 25 � :>:: 25 � - 1 2 - 1 2 0 0 t;:; 1 0 20 8 t;:; 1 0 20 0

UJ "- UJ "- UJ Ul 8 1 5 e; Ul 8 1 5 e; 0 0 z 6 0 z 6 0 3 1 0 � :; 1 0 �

4 3 4 3

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 6 OCT 1 994 S N I - 7 OCT 1 994 20 20 1 8 35 1 8 35 1 6 30 Ui 1 6 313 Ui

Ul 1 4 1- � 1 4 1-a. 0 0 ::£: 25 � ::£: 25 � 1 2 - 1 2 Cl Cl � 1 0 213 Cl

w � 1 0 213 Cl w

a. w a. w Ul 8 1 5 e; Ul 8 1 5 e; Cl Cl z 6 Cl z 6 Cl ;: 1 13 � "' 1 13 �

4 "' 4 "' 2 5 2 5

13 13 13 13 0 2 4 6 8 1 13 1 2 1 4 1 6 1 8 213 22 24 13 2 4 6 8 1 0 1 2 1 4 1 6 1 8 213 22 24

HOUR HOUR

SNI - 8 OCT 1 994 SNI - 9 OCT 1 994 20 20 1 8 3 5 1 8 35 1 6 3 13 Ui 1 6 313 Ui Ul 1 4 1- Ul 1 4 1-

a. 0 a. 0 ::£: 25 � ::£: 25 � 1 2 1 2 Cl Cl w 1 0 213 Cl w 1 0 2 0 Cl w w w w a. w a. w Ul 8 1 5 e; "' 8 1 5 e; Cl Cl z 0 Cl z 0 Cl ;: 1 0 � ;: 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 13 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 0 OCT 1 994 S N I - 1 1 OCT 1 994 20 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 3 0 Ui

� 1 4 1- "' 1 4 1-0 a. 0 ::£: 25 � ::£: 25 � 1 2 1 2

Cl Cl w 1 0 2 0 8 w 1 0 2 0 Cl w w w a. w a. w "' 8 1 5 e; "' 8 1 5 e; Cl Cl z 0 Cl z 6 Cl "' 1 0 � ;: 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 13 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 2 OCT 1 994 SNI - 13 OCT 1 994 20 20

1 8 35 1 8 35 1 6 3 fil ;n 1 6 3 fil ;n

CJ) 1 4 >- � 1 4 >-a. 0 0 :0:: 25 � :0:: 25 � 1 2 1 2 0 0 w 1 0 2 fil 0 w 1 fil 2 fil 0 w w w w a. w a. w CJ) 8 1 5 e; CJ) 8 1 5 e; 0 0 z 6 0 z 6 0 "" 1 fil � ;: 1 fil �

4 "" 4 "" 2 5 2 5

0 fil 0 fil 0 2 4 6 8 1 fil 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2fil 22 24

HOUR HOUR

SNI - 1 4 OCT 1 994 SNI - 1 5 OCT 1 994 20 20

1 8 35 1 8 35 1 6 3 fil ;n 1 6 3fil ;n

� 1 4 >- � 1 4 >-0 0

:0:: 25 � %: 25 � 1 2 - 1 2 0 0 w 1 0 20 0 t;: H l 2 fil 0 w w w a. w a. w CJ) 8 1 5 e; CJ) 8 1 5 e; 0 CJ z 6 CJ � 6 0 ;: 1 fil � "" 1 0 �

4 "" 4 "" 2 5 2 5

0 fil fil fil fil 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2fil 22 24

HOUR HOUR

SNI - 1 6 OCT 1 994 SNI - 1 7 OCT 1 994 20 20 1 8 35 1 8 35 1 6 3 fil ;n 1 6 3 fil ;n

CJ) 1 4 >- CJ) 1 4 >-a. 0 a. 0 :>: 25 � :>: 25 � 1 2 1 2 Cl 0 :::: 1 fil 2 fil Cl w 1 0 2 fil 0 w w w a. w a. w CJ) 8 1 5 e; (/) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl "" 1 fil � ;: 1 fil �

4 "" 4 ::. 2 5 2 5

0 fil 0 fil 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2fil 22 24 fil 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2fil 22 24

HOUR HOUR

SN! - 1 8 OCT 1 994 SNI - 19 OCT 1 994 211l 211l 1 8 35 1 8 35 1 6 3 11l Vi 1 6 3 11l Vi U) 1 4 .... U) 1 4 ....

0.. 0 0.. 0 :>:: 25 � :>:: 25 � 1 2 1 2 Cl Cl w H l 2 11l Cl w 1 11l 211l Cl w w w w a. w a. w U) 8 1 5 B; U) 8 1 5 B; Cl Cl z 6 Cl z 6 Cl :; 1 11l � :; 1 11l �

4 "' 4 "' 2 5 2 5

l1l l1l l1l l1l l1l 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 211l 22 24 l1l 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 211l 22 24

HOUR HOUR

SNI - 211l OCT 1 994 SN I - 21 OCT 1 994 211l 211l 1 8 35 1 8 35 1 6 3 11l Vi 1 6 311l Vi

U) 1 4 .... � 1 4 .... a. 0 0 :>:: 25 � :>:: 25 � 1 2 - 1 2 Cl Cl w H l 211l C> w 1 11l 2 11l C> w w w w a. w a. w U) 8 1 5 B; U) 8 1 5 B; Cl Cl z 6 C> z 6 Cl "' 1 11l � :; 1 11l �

4 "' 4 "' 2 5 2 5

l1l l1l l1l l1l 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 211l 22 24 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 211l 22 24

HOUR HOUR

SN! - 22 OCT 1 994 SNI - 23 OCT 1 994 211l 211l 1 8 35 1 8 35 1 6 311l Vi 1 6 3 11l Vi

U) 1 4 .... U) 1 4 .... 0.. 0 a. 0 :>:: 25 � :>:: 25 � 1 2 1 2 Cl Cl 211l Cl w 1 11l 2 11l B t::j 1 11l w w a. w a. w U) 8 1 5 B; U) 8 1 5 B; Cl C> z 6 Cl z 6 Cl :; 1 11l � :; 1 11l �

4 "' 4 "' 2 5 2 5

l1l l1l l1l l1l l1l 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 211l 22 24 l1l 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 211l 22 24

HOUR HOUR

SNI - 24 OCT 1 994 SN! - 25 OCT 1 994 20 20

1 8 35 1 8 35

1 6 30 Vi 1 6 30 Vi

(/) 1 4 >- (/) 1 4 >-c._ 0 c._ 0 :<: 25 ;2 :<: 25 ;2

1 2 1 2 Cl Cl w 1 0 2 0 Gl w 1 1il 20 Cl w w w c._ w c._ w (/) 8 1 5 e; (/) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl ;: 1 0 � ;: 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 Ql 1 2 1 4 1 6 1 8 20 22 24 Ql 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 26 OCT 1 994 SNI - 27 OCT 1 994 21il 21il

1 8 35 1 8 35

1 6 31il Vi 1 6 30 Vi (/) 1 4 >- � 1 4 >-c._ 0 0 :<: 25 ;2 :0:: 25 ;2

1 2 - 1 2 Cl Cl w 1 1il 2 0 Gl lj 1 Ql 20 Gl w c._ w c._ w (/) 8 1 5 e; (/) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl ;: 1 1il � ;: 1 0 �

4 "' 4 "' 2 5 2 5

0 lil 0 0 Ql 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 lil 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 28 OCT 1 994 SNI - 29 OCT 1 994 21i! 21il

1 8 35 1 8 35

1 6 30 Vi 1 6 30 Vi (/) 1 4 >- � 1 4 >-c._ 0 0 :0:: 25 ;2 :0:: 25 ;2

1 2 - 1 2 Cl Cl w 1 11l 2 0 Gl lj 1 0 20 Cl w w c._ w c._ w (/) 8 1 5 e; (/) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl "' 1 0 � "' 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 l1l 2 4 6 8 1 0 1 2 1 4 1 6 1 8 211l 22 24 lil 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 30 OCT 1 994 SNI - 31 OCT 1 994 20 20

1 8 35 1 8 35

1 6 30 (ii 1 6 30 (ii g: 1 4 ..... g: 1 4 .....

0 0 ::E: 25 � :0:: 25 � - 1 2 - 1 2 0 0 � 1 0 20 0 "' � 1 0 20 0 "' 0.. "' 0.. "' (J) 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 Cl ;: 1 0 ;::'; =- 1 0 ;::';

4 =- 4 =-

2 5 2 5

0 0 0 0 0 2 4 6 8 H ! 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 NOV 1 994 SNI - 2 NOV 1 994 20 20

1 8 35 1 8 35

1 6 30 (ii 1 6 30 (ii g: 1 4 ..... (J) 1 4 .....

0 0.. Cl :0:: 25 � :0:: 25 � - 1 2 1 2 0 0 � 1 0 2 0 0 "' 1 0 20 Cl "' "' "' 0.. "' 0.. "' (J) 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 0

;: 1 0 ;::'; ;: 1 0 ;::'; 4 =- 4 =-

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 3 NOV 1 994 SNI - 4 NOV 1 994 20 20

1 8 35 1 8 35

1 6 3 0 (ii 1 6 30 (ii (J) 1 4 ..... (J) 1 4 ..... 0.. 0 0.. 0 ::E: 25 � ::E: 25 � 1 2 1 2 0 0 "' 1 0 2 0 0 � 1 0 20 Cl w w "' 0.. "' 0.. "' (J) 8 1 5 e; <f) 8 1 5 e; 0 0 z 6 0 z 6 0 ;: 1 0 ;::'; =- 1 0 ;::';

4 =- 4 =-

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 5 NOV 1 994 SNI - 6 NOV 1 994 20 2QI

1 8 35 1 8 35

1 6 3 QI u; 1 6 3QI u; � 1 4 >-- � 1 4 >--

0 0 X: 25 � X: 25 � - 1 2 - 1 2 a 0 t::: 1 QI 2 QI 0 t:j H l 2 QI 0

w w c.. w c.. w <f) 8 1 5 e; (/) 8 1 5 e; 0 0 z 6 0 z 6 0 :; 1 QI = :; 1 QI =

4 "' 4 "' 2 5 2 5

Ql Ql Ql Ql Ql 2 4 6 8 1 QI 1 2 1 4 1 6 1 8 2QI 22 24 Ql 2 4 6 8 1 QI 1 2 1 4 1 6 1 8 2QI 22 24

HOUR HOUR

SNI - 7 NOV 1 994 SNI - 8 NOV 1 994 2QI 2QI

1 8 35 1 8 35

1 6 3 QI u; 1 6 3QI u; <f) 1 4 >-- � 1 4 >--c.. 0 0 X: 25 � X: 25 � 1 2 - 1 2 0 0 t::: 1 QI 2 QI B t::: 1 QI 20 B c.. w c.. w (/) 8 1 5 e; <f) 8 1 5 e; 0 0 z 6 0 z 6 0 :; 1 QI = ; 1 QI =

4 "' 4 "' 2 5 2 5

Ql Ql 0 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 211l 22 24 l1l 2 4 6 8 1 QI 1 2 1 4 1 6 1 8 211l 22 24

HOUR HOUR

SNI - 9 NOV 1 994 SNI - 1 0 NOV 1 994 211l 211l

1 8 35 1 8 35

1 6 3 0 u; 1 6 30 u; <f) 1 4 >-- <f) 1 4 >--c.. 0 c.. 0 :>: 25 � :>: 25 � 1 2 1 2 0 0 w 1 11l 20 0 t::: 1 11l 2QI 0 w w w c.. w c.. w <f) 8 1 5 e; <f) 8 1 5 e; 0 0 z 6 0 z 6 0 "' 1 11l = "' 1 11l =

4 "' 4 "' 2 5 2 5

"' Ql Ql 0 Ql 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 211l 22 24 Ql 2 4 6 8 H l 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 1 NOV 1 994 SNI - 1 2 NOV 1 994 20 20

1 8 35 1 8 35

1 6 3 0 u; 1 6 30 u; "' 1 4 I- "' 1 4 I-a. 0 a. 0 "' 25 � "' 25 � 1 2 1 2 Cl Cl w 1 0 2 0 Cl � 1 0 2 0 Cl w w w a. w a. w "' 8 1 5 � "' 8 1 5 � Cl Cl z 6 Cl z 6 Cl :; 1 0 � :; 1 0 �

4 :. 4 :. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 3 NOV 1 994 SNI - 1 4 NOV 1 994 20 20

1 8 3 5 1 8 35

1 6 3 0 u; 1 6 30 u; "' 1 4 I- "' 1 4 I-a. 0 a. Cl "' 25 � "' 25 � 1 2 1 2 Cl Cl � 1 0 2 0 Cl � 1 0 20 Cl

w w a. w a. w "' 8 1 5 � "' 8 1 5 :;; Cl Cl z 6 Cl z 6 Cl :; 1 0 � :. 1 0 �

4 :. 4 :. 2 5 2 5

lil lil lil 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 5 NOV 1 994 SNI - 1 6 NOV 1 994 20 20

1 8 35 1 8 35

1 6 3 0 u; 1 6 3 0 u; � 1 4 I- � 1 4 I-

0 0 "' 25 � "' 25 � - 1 2 1 2 Cl Cl � H l 2 0 Cl w 1 0 2 0 Cl w w w a. w a. w "' 8 1 5 :;; "' 8 1 5 :;; Cl Cl z 6 Cl z 6 Cl :; 1 0 � :. 1 0 �

4 :. 4 :. 2 5 2 5

lil 0 lil lil 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

�IND SPEED ! HPS l � IND SPEED ! HPS l �IND SPEED ! HPS l o; ;;; ;;: � a; 1\J o; ;;; ;;: � a; 1\J o; ;;; ;;: � a; 1\J

ISl 1\J "" "' m ISl ISl 1\J "" "' m ISl IS> 1\J "" "' m IS>

IS> IS> ISl

1\J 1\J 1\J

..,. "" ..,.

"' "' "'

m (/)

m (/)

: r ) l 3 � � �

) I o; I tsl

:r: 1\J :r: :;; :r: o � � o � o �

� ....,

C I\J z

C I\J z

C I\J z

:0 0

:0 0

:0 0

< � < <

;;: � ..,. :;;

;;: :;; -D

-D -D -D "" � "" � ..,.

"'

J "'

� � � m m m

1\J 1\J 1\J IS> IS> ISl

1\J 1\J 1\J 1\J 1\J 1\J

1\J 1\J 1\J ..,. ..,. ""

� ;:;; 1\J 1\J w w � ;:;;

1\J 1\J w w � ;:;; 1\J 1\J w w

tsl 1.11 tsl 1.11 tsl 1.11 .. 1.11 .. 1.11 tsl 1.11 .. 1.11 .. 1.11 .. 1.11

� I ND SPEED ! KNDTS l � I ND SPEED ! KNDTS l � I ND SPEED ! KNDTS l

� I ND SPEED ! HPS l � IND SPEED I MPS ! � I ND SPEED ! HPS l o; ;;; ;;: � a; 1\J o; � � � a; 1\)

.. ;;; ;;: � a; 1\)

.. 1\J ..,. "' m .. IS> 1\) ..,. "' m 1\) ..,. "' tsl IS> 1\J "" "' m "' tsl

IS> IS> .. 1\J 1\) 1\)

..,. ... ...

"' "' "'

m (/)

m (/)

m

r I l � z � H

s : ! ) � � � I �

I 1\)

S - f \ o � tsl m

c rv C I\J z

C IV z

:0 :0 0

:0 0

< <

..,. ;;: :;;

..,. � -D -D -D -D -D "" � "" ""

"'

\ "' "'

� � a; m m

1\J 1\) 1\J .. .. ..

1\) 1\) 1\) 1\) 1\) 1\J

1\) 1\) 1\J "" "" ""

o; ;:;; 1\) 1\) w w

.. ;:;; 1\J 1\J w w o; ;:;;

1\J 1\J w w .. 1.11 .. 1.11 lSI 1.11 lSI Ul lSI Ul lSI Ul lSI 1.11 lSI U1 tsl U1

� I ND SPEED ! KNDTS l � I ND SPEED ! KNDTS l W I ND SPEED ! KNDTS l

SNI - 23 NOV 1 994 SNI - 24 NOV 1 994 21iJ 21iJ

1 8 35 1 8 35

1 6 31iJ tii 1 6 3 1iJ tii � 1 4 >-- � 1 4 >--0 0 :>:: 25 � :>:: 25 � - 1 2 - 1 2 0 0 � H l 2 1iJ D

w � 1 11J 2 fiJ D w a. w a. w (J) 8 1 5 g; (J) 8 1 5 g; D D z 6 D z 6 0 ::. 1 1iJ � ::. 1 1iJ �

4 ::. 4 ::. 2 5 2 5

liJ liJ liJ liJ liJ 2 4 6 8 1 1iJ 1 2 1 4 1 6 1 8 20 22 24 liJ 2 4 6 8 1 1iJ 1 2 1 4 1 6 1 8 21iJ 22 24

HOUR HOUR

SNI - 25 NOV 1 994 SNI - 26 NOV 1 994 20 20

1 8 35 1 8 35

1 6 31iJ tii 1 6 3 1iJ tii � 1 4 >-- � 1 4 1-

0 0 :>:: 25 � :>:: 25 � - 1 2 - 1 2 0 D � 1 11J 2 0 8 � 1 0 2 1iJ D w a. w a. w (J) 8 1 5 g; (J) 8 1 5 g; D 0 z 6 D z 6 Cl ;; 1 0 � ;; 1 0 �

4 ::. 4 ::. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 27 NOV 1 994 SNI - 28 NOV 1 994 20 20

1 8 35 1 8 35

1 6 3 0 tii 1 6 30 tii � 1 4 1- (J) 1 4 1-

0 a. 0 :>:: 25 � :>:: 25 � - 1 2 1 2 0 0 w 1 0 2 0 0 w 1 0 20 D w w w w a. w a. w (J) 8 1 5 g; (/) 8 1 5 g; 0 0 z 6 0 z 6 D ::. 1 0 � :0 1 0 �

4 ::. 4 :0

2 5 2 5

liJ 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 11J 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 29 NOV 1 994 SNI - 30 NOV 1 994 20 20

1 8 35 1 8 35 1 6 3 0 v; 1 6 30 v;

Vl 1 4 � � 1 4 � 0.. 0 0 :X: 25 � :X: 25 � 1 2 - 1 2 D D w 1 0 2 0 8 t::: 1 0 20 D w w 0.. w 0.. w Vl 8 1 5 B; (f) 8 1 5 B; D D z 6 D z 6 D

; 1 0 ;::; ; 1 0 ;::; 4 "' 4 "' 2 5 2 5

l1l I2J 121 I2J l1l 2 4 6 8 H l 1 2 1 4 1 6 1 8 211l 22 24 l1l 2 4 6 8 1 11l 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 1 DEC 1 994 SNI - 2 DEC 1 994 211l 20

1 8 35 1 8 35

1 6 3 11l v; 1 6 3 11l v; (f) 1 4 1- (f) 1 4 1-0.. 0 0.. 0 :X: 25 � :>: 25 � 1 2 - 1 2 D D w 1 11l 211l 8 t::: 1 0 20 D w w 0.. w 0.. w Vl 8 1 5 B; (f) 8 1 5 B; D D z 6 D z 6 D � 1 12J ;::; ; 1 12J ;::; 3

4 3 4 "' 2 5 2 5

0 I2J I2J 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 212J 22 24

HOUR HOUR

SNI - 3 DEC 1 994 SNI - 4 DEC 1 994 20 20

1 8 35 1 8 35

1 6 30 v; 1 6 3 12J v; (f) 1 4 1- � 1 4 1-0.. 0 D :1: 25 � :1: 25 � 1 2 - 1 2 D D w 1 0 20 8 t::: Hil 212J 8 w 0.. w 0.. w Vl 8 1 5 B; (f) 8 1 5 B; D D z 6 D z 6 D

; 1 12J ;::; ; 1 12J ;::; 4 3 4 3

2 5 2 5

0 0 0 l1l 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 12J 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 5 DEC 1 994 SNI - 6 DEC 1 994 21il 21il

1 8 35 1 8 35

1 6 3 1il u:; 1 6 3 1il u:; g: 1 4 .... g: 1 4 ....

0 0 :0:: 25 � :0:: 25 � - 1 2 - 1 2 Cl Cl tj 1 1il 2 1il Cl

w tj 1 1il 2 1il Gl "- w "- w "' 8 1 5 e; "' 8 1 5 e; Cl Cl z 6 Cl z 6 Cl

1 0 � - 1 1il � "" "" 4 "" 4 "" 2 5 2 5

" " " " " 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 " 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 HOUR HOUR

SNJ - 7 DEC 1 994 SNI - 8 DEC 1 994 21il 20

1 8 35 1 8 35

1 6 31il u:; 1 6 31il u:; "' 1 4 .... g: 1 4 .... "- 0 0 :0:: 25 � :0:: 25 � 1 2 1 2 Cl Cl

tj 1 1il 2 1il Gl w H l 2 1il Gl w "- w a. w "' 8 1 5 e; (J) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl - 1 1il � :; 1 1il � ""

4 "" 4 "" 2 5 2 5

" " " " " 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 " 2 4 6 8 H l 1 2 1 4 1 6 1 8 21il 22 24 HOUR HOUR

SNI - 9 DEC 1 994 SNI - 1 1il DEC 1 994 21il 21il

1 8 35 1 8 35

1 6 3 1il u:; 1 6 3 1il u:; "' 1 4 .... g: 1 4 .... a. 0 0 :0:: 25 � :0:: 25 � 1 2 1 2 Cl Cl w 1 1il 2 1il Cl w 1 1il 2 1il Cl w w w w "- w a. w "' 8 1 5 e; (J) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl "" 1 1il � :; 1 1il �

4 "" 4 "" 2 5 2 5

" " " lil " 2 4 6 8 1 0 1 2 1 4 1 b 1 8 21il 22 24 " 2 b 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 HOUR HOUR

SNI - 1 1 DEC 1 994 SNI - 12 DEC 1 994 20 20

1 8 35 1 8 35

1 6 30 Ui 1 6 30 Ui Ul 1 4 >-- � 1 4 >--a. 0 0 :!: 25 � :!: 25 �

1 2 - 1 2 Cl Cl t::! 1 0 2 0 Cl t::! 1 0 20 8

w a. w a. w Ul 8 1 5 e; Ul 8 1 5 e; Cl Cl z 6 Cl z 6 Cl ; 1 0 ;::; ; 1 0 ;::;

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 3 DEC 1 994 SNI - 1 4 DEC 1 994 20 20

1 8 35 1 8 35

1 6 30 Ui 1 6 3 0 Ui Ul 1 4 >-- � 1 4 >--a. 0 0 :!: 25 � :!: 25 � 1 2 - 1 2 Cl Cl w 1 0 2 0 Cl t::! 1 0 2 0 Cl w w w a. w a. w "' 8 1 5 e; Ul 8 1 5 e; Cl Cl z 6 Cl z 6 Cl

3 1 0 ;::; ; 1 0 ;::; 4 "' 4 3

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 H!l 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 5 DEC 1 994 SNI - 1 6 DEC 1 994 20 20

1 8 35 1 8 35

1 6 3 0 Ui 1 6 30 Ui Ul 1 4 >-- � 1 4 >--a. 0 0 :!: 25 � :!: 25 � 1 2 - 1 2 Cl Cl w H l 2 0 8 t::! 1 0 20 Cl w w a. w a. w "' 8 1 5 e; Ul 8 1 5 e; Cl Cl z 6 Cl z 6 Cl

3 1 0 ;::; "' 1 0 ;::; 4 "' 4 3

2 5 2 5

111 111 111 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 111 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 7 DEC 1 994 SNI - 1 8 DEC 1 994 20 20

1 8 35 1 8 35

1 6 3 0 u; 1 6 3 0 u; (/) 1 4 ,_ � 1 4 ,_ a_ 0 0 :<: 25 5:2 :<: 25 5:2

1 2 - 1 2 0 0 20 0 t:J 1 0 2 0 B t:J 1 0 w a. w a. w (/) 8 1 5 B; (/) 8 1 5 B; 0 0 z 6 0 z 6 0 :; 1 0 ::; :; 1 0 ::;

4 ::0 4 ::0

2 5 2 5

0 0 Ill 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 9 DEC 1 994 SNI - 20 DEC 1 994 20 20 1 8 35 1 8 35

1 6 3 0 u; 1 6 3 0 u; (/) 1 4 ,_ � 1 4 ,_ a_ 0 0 :E 25 5:2 "' 25 5:2 1 2 - 1 2 0 0 w 1 0 2 0 0 t:J 1 0 2 0 0 w w w a_ w a_ w (/) 8 1 5 B; (/) 8 1 5 B; 0 0 z 6 0 z 6 0 - 1 0 ::: 1 0 ::: ::0 ::0

4 ::0 4 ::0

2 5 2 5

Ill 0 Ill 0 Ill 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SN I - 21 DEC 1 994 SNI - 22 DEC 1 994 20 20 1 8 35 1 8 35

1 6 3 0 u; 1 6 30 u; (/) 1 4 ,_ (/) 1 4 ,_ a_ 0 a_ 0 :<: 25 5:2 "' 25 5:2 1 2 1 2 0 0 t:J 1 0 2 0 0 t:J 1 0 2 0 0 w w c.. w c.. w (/) 8 1 5 B; (/) 8 1 5 B; 0 0 z 6 0 = 6 0 ::0 1 0 = ::0 1 0 =

4 ::0 4 ::0

2 5 2 5

0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 23 DEC 1 994 SNI - 24 DEC 1 994 20 20

1 8 35 1 8 35

1 6 3 0 ;;; 1 6 3 0 ;;; U) 1 4 I- � 1 4 I-0.. 0 0 :E: 25 � :>: 25 � 1 2 - 1 2 Cl Cl

tj 1 0 20 Cl t;l 1 0 20 B w

0.. w 0.. w U) 8 1 5 B; U) 8 1 5 B; Cl Cl z 6 Cl z 6 Cl

1 0 ;::; - 1 0 ;::; 3 3

4 3 4 3

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 25 DEC 1 994 SNI - 26 DEC 1 994 20 20

1 8 35 1 8 35 1 6 3 0 ;;; 1 6 3 0 ;;;

U) 1 4 I- g: 1 4 I-0.. 0 0 :>: 25 � :>: 25 � - 1 2 - 1 2 Cl Cl

tj 1 0 20 B tj 1 0 20 Cl w

0.. w 0.. w U) 8 1 5 B; U) 8 1 5 B; Cl Cl z 6 Cl z 6 Cl - 1 0 ;::; - H l ;::; 3 3

4 3 4 3

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 H!l 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 27 DEC 1 994 SNI - 28 DEC 1 994 20 20 1 8 35 1 8 35 1 6 3 0 ;;; 1 6 30 ;;;

U) 1 4 I- U) 1 4 I-0.. 0 0.. 0 :E: 25 � :>: 25 � 1 2 1 2 0 Cl w 1 0 2 0 Cl tj 1 0 20 Cl w w w 0.. w Q_ w U) 8 1 5 B; Vl 8 1 5 B; Cl Cl z 6 Cl z 6 Cl

3 1 0 ;::; 3 1 0 ;::; 4 "' 4 3

2 5 2 5

0 0 0 111 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 111 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 29 DEC 1 994 SNI - 30 DEC 1 994 20 20

1 8 35 1 8 35

1 6 30 Ui 1 6 30 Ui Ul 1 4 >-- Ul 1 4 >--a. 0 a. 0 :<: 25 ::2 :<: 25 ::2 - 1 2 1 2 0 0 t;j H l 2 0 0 t;j H l 20 � w a. w a. w Ul 8 1 5 e; Ul 8 1 5 e; 0 0 z 6 0 z 6 0 ;; 11!1 := :X 1 0 :=

4 :X 4 :X

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 31 DEC 1 995 SNI - 1 JAN 1 995 20 20

1 8 35 1 8 35

1 6 3 0 Ui 1 6 30 Ui � 1 4 >-- Ul 1 4 >--

0 a. 0 :<: 25 ::2 :<: 25 ::2 - 1 2 - 1 2 Cl 0 t:J 1 0 2 0 � t:J 1 0 2 0 0 w a. w a. w Ul 8 1 5 e; Ul 8 1 5 e; 0 0 z 6 0 z 6 0

1 0 := � 1 0 := :X :X 4 "" 4 ""

2 5 2 5

0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 2 JAN 1 995 SNI - 3 JAN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 3 0 Ui

� 1 4 >-- � 1 4 >--0 0

:<: 25 ::2 :<: 25 ::2 - 1 2 - 1 2 0 0 t:J 1 0 2 0 � t:J 1 0 2 0 0 w a. w c.. w Ul 8 1 5 e; Ul 8 1 5 e; 0 0 z 6 0 z 6 0 ;; 1 0 := ;; 1 0 =

4 :X 4 ""

2 5 2 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 4 JAN 1 995 SNI - 5 JAN 1 995 21<l 21<l

1 8 35 1 8 35 1 6 3 1<l Ui 1 6 30 Ui

� 1 4 .... � 1 4 .... 0 0 "' 25 � "' 25 � 1 2 1 2

0 0 w 1 0 2 0 8 w 1 0 2 0 Cl w w w a. w a. w Ul 8 1 5 B; Ul 8 1 5 B; Cl Cl z 6 Cl z 6 Cl ;: 1 0 = - 1 0 = :.

4 :. 4 :. 2 5 2 5

" 0 " 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 6 JAN 1 995 SNI - 7 JAN 1 995 20 20

1 8 35 1 8 35

1 6 3 0 Ui 1 6 30 Ui Ul 1 4 .... � 1 4 .... a. 0 0 "' 25 � "' 25 � 1 2 - 1 2 Cl Cl w 1 0 20 8 � H l 21<l Cl w w a. w a. w Ul 8 1 5 B; Ul 8 1 5 B; Cl Cl z 6 Cl z 6 Cl ;: 1 0 :::; ;: 1 0 :::;

4 :. 4 :. 2 5 2 5

0 0 " 0 " 2 4 6 8 1 1<l 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 21<l 22 24 HOUR HOUR

SNI - 8 JAN 1 995 SNI - 9 JAN 1 995 20 21<l

1 8 35 1 8 35 1 6 31<l Ui 1 6 3 0 Ui

Ul 1 4 .... � 1 4 .... a. 0 0 "' 25 � "' 25 � - 1 2 - 1 2 Cl Cl � 1 0 2 0 Cl � 1 1<l 20 Cl w w a. w a. w Ul 8 1 5 B; Ul 8 1 5 B; 0 0 z 6 0 z 6 Cl :. 1 0 = :. 1 1<l =

4 3 4 :. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 0 JAN 1 995 SNI - 1 1 JAN 1 995 20 20 1 8 35 1 8 35

1 6 3 0 u; 1 6 3 0 u; � 1 4 1- � 1 4 1-

0 0 r 25 � ::1: 25 � - 1 2 - 1 2 Cl Cl 20 Cl tj 1 0 2 0 B w 1 0 w w 0.. w 0.. w Vl 8 1 5 B; Vl 8 1 5 B; Cl Cl z 0 Cl z 0 Cl 3 1 0 ;::; ::> 1 0 ;::;

4 3 4 ::>

2 5 2 5

0 0 0 0 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 2 JAN 1 995 SNI - 1 3 JAN 1 995 20 20 1 8 35 1 8 35

1 6 30 u; 1 6 3 0 u; � 1 4 1- � 1 4 1-

0 0 r 25 � ::E: 25 � - 1 2 1 2 Cl Cl

20 B tj 1 0 2 0 Cl w H'J w w 0.. w 0.. w Vl 8 1 5 B; Vl 8 1 5 B; Cl Cl Cl z 0 Cl z 0 � 1 0 ;::; 1 0 ;::; 3 ::>

4 ::> 4 ::>

2 5 2 5

0 0 0 121 2 4 6 8 1 121 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 1 4 JAN 1 995 SNI - 1 5 JAN 1 995 2121 20 1 8 35 1 8 35 1 6 3 0 u; 1 6 3121 u;

� 1 4 1- Vl 1 4 1-0 a. 0

::E: 25 � ::E: 25 � - 1 2 1 2 Cl Cl tj 1 1il 20 Cl w tj 1 0 20 Cl w 0.. w a. w Vl 8 1 5 B; Vl 8 1 5 B; Cl Cl z 6 Cl z 6 Cl ::> 1 0 ;::; ; 1 0 ;::;

4 ::> 4 ::>

2 5 2 5

0 0 0 0 121 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2121 22 24 0 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 16 JAN 1 995 SNI - 17 JAN 1 995 21il 21il

1 8 35 1 8 35

1 6 30 Vi 1 6 30 Vi Ul 1 4 1- � 1 4 1-<l. 0 0 ::E: 25 � ::E: 25 �

1 2 - 1 2 Cl 0 w 1 0 20 0 � 1 0 20 0 w "' "' <l. "' <l. "' Ul 8 1 5 e; Ul 8 1 5 e; 0 0 z 6 0 z 6 0 ;: 1 0 ;:: "" 1 0 ;::

4 "" 4 "" 2 5 2 5

0 0 lil 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 21il 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SN I - 1 8 JAN 1 995 SNI - 1 9 JAN 1 995 20 21il

1 8 35 1 8 35 1 6 30 Vi 1 6 30 Vi

Ul 1 4 1- � 1 4 1-<l. 0 0 ::c 25 � ::c 25 � 1 2 - 1 2 0 0 "' 1 0 20 � � 1 0 20 0 w "' <l. "' <l. "' Ul 8 1 5 e; Ul 8 1 5 e; 0 0 z 6 0 z 6 0 ;: 1 0 ;:: ;: 1 0 ;::

4 "" 4 "" 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 lil 2 4 6 8 1 0 1 2 1 4 1 & 1 8 20 22 24

HOUR HOUR

SNI - 20 JAN 1 995 SNI - 21 JAN 1 995 21il 20 1 8 35 1 8 35 1 6 30 Vi 1 6 30 Vi Ul 1 4 1- Ul 1 4 1-<l. 0 <l. 0 ::c 25 � ::E: 25 � 1 2 1 2

0 0 w 1 0 20 0 � 1 0 20 � "' "' <l. "' <l. "' Ul 8 1 5 e; Ul 8 1 5 e; 0 0 z 6 0 z 6 Cl "" 1 0 ;:: "" 1 0 ;::

4 "" 4 "" 2 5 2 5

0 0 0 0 0 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 22 JAN 1 995 SN I - 23 JAN 1 995 20 20 1 8 35 1 8 35 1 6 30 u; 1 6 30 u;

� 1 4 ,__ Ul 1 4 ,__ 0 0.. 0

:>:: 25 ;:'i :>:: 25 ;:'i - 1 2 1 2 t:l 0 t;j 1 0 20 8 t;j 1 11J 211J t:l w 0.. w 0.. w (J) 8 1 5 5; Ul 8 1 5 5; t:l t:l z 6 t:l z 6 t:l :; 1 0 = :; H l =

4 ;% 4 ;%

2 5 2 5

0 0 I1J 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 24 JAN 1 995 SNI - 25 JAN 1 995 20 20 1 8 35 1 8 35 1 6 30 u; 1 6 3 0 u;

� 1 4 ,__ � 1 4 ,__ 0 0

:>:: 25 ;:'i :>:: 25 ;:'i - 1 2 - 1 2 t:l t:l t;j 1 11J 20 t:l w 1 11J 2 0 t:l w w w 0.. w 0.. w (J) 8 1 5 e, (J) 8 1 5 e, t:l t:l z 6 t:l z 6 t:l :; 1 0 = :; 1 0 =

4 ;% 4 ;%

2 5 2 5

0 0 I1J 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 211J 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SN! - 26 JAN 1 995 SNI - 27 JAN 1 995 211J 20 1 8 35 1 8 35 1 6 30 u; 1 6 30 u;

� 1 4 ,__ � 1 4 ,__ 0 0 " 25 ;:'i " 25 ;:'i 1 2 - 1 2

0 t:l w 1 11J 2 0 t:l t;j 1 0 20 t:l w w w 0.. w 0.. w (J) 8 1 5 e, (J) 8 1 5 e, t:l t:l z 6 t:l z 6 t:l ::> 1 0 = ::> 1 0 =

4 ;% 4 ;%

2 5 2 5

0 0 0 0 I1J 2 4 6 8 1 0 1 2 1 4 1 6 1 8 211J 22 24 Iii 2 4 6 8 H'l 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

S N J - 28 JAN 1 995 SNJ - 29 JAN 1 995 20 20 1 8 35 1 8 35 1 6 30 Ui 1 6 30 Ui (/) 1 4 1- � 1 4 1-a. 0 0 :<: 25 i:2 :<: 25 i:2 1 2 - 1 2

0 0 LU 1 0 20 8 t:j 1 0 2 0 Cl LU w 0.. w a. w (/) 8 1 5 g; (/) 8 1 5 g; 0 0 z 6 0 z 6 0 ;; 1 0 � "' 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNJ - 30 JAN 1 995 SNJ - 31 J A N 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 3 0 Ui

� 1 4 1- � 1 4 1-Cl 0 >= 25 i:2 :<: 25 i:2 - 1 2 - 1 2 0

20 8 Cl

w 1 0 t:j H l 20 0 LU w a. w a. w (/) 8 1 5 g; (/) 8 1 5 g; 0 0 z 6 Cl � 6 0 - 1 0 � 1 0 � "' "'

4 "' 4 "' 2 5 2 5

0 0 0 0 121 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2121 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 1 FEB 1 995 SNI - 2 FEB 1 995 2121 21il 1 8 35 1 8 35 1 6 3 0 Ui 1 6 30 Ui

� 1 4 1- � 1 4 1-Cl 0 ::c 25 i:2 ::c 25 i:2 - 1 2 - 1 2 0 0 t:j 1 0 2 1il Cl

w t:j 1 0 20 Cl w a. w a. w

(/) 8 1 5 g; (/) 8 1 5 g; 0 Cl z 6 0 z 6 Cl "' 1 1il � "' 1 0 �

4 "' 4 "' 2 5 2 5

0 " " " 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 il 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 3 FEB 1 995 SN! - 4 FEB 1 995 20 20 1 B 35 1 B 35 1 6 3 0 Ui 1 6 30 Ui

� 1 4 >- Ul 1 4 >-0 "- 0

>:: 25 � >:: 25 � 1 2 1 2 0 0 w 1 0 20 0 w 1 0 20 0 w w w w "- w "- w Ul B 1 5 � Ul B 1 5 � 0 0 z 6 0 z 6 0 :;; 1 0 = � 1 0 =

4 � 4 �

2 5 2 5

0 0 0 0 0 2 4 6 B H l 1 2 1 4 1 6 1 B 20 22 24 0 2 4 6 B 1 0 1 2 1 4 1 6 1 B 20 22 24

HOUR HOUR

SNI - 5 FEB 1 995 SNI - 6 FEB 1 995 20 20 1 B 35 1 B 35 1 6 30 Ui 1 6 30 Ui Ul 1 4 >- � 1 4 >-

"- 0 0 >:: 25 � ::!:: 25 � - 1 2 - 1 2 0 0 w 1 0 20 0 t;l 1 0 20 0 w w w a. w a. w Ul B 1 5 � Ul B 1 5 � 0 0 z 6 0 z 6 0 :;; 1 0 = :;; 1 0 =

4 � 4 3

2 5 2 5

0 0 0 0 0 2 4 6 B 1 0 1 2 1 4 1 6 1 B 20 22 24 0 2 4 6 B 1 0 1 2 1 4 1 6 1 B 20 22 24

HOUR HOUR

SNI - 7 FEB 1 995 SNI - B FEB 1 995 20 20 1 B 35 1 B 35 1 6 3 0 Ui 1 6 30 Ui

Ul 1 4 >- Ul 1 4 >-a. 0 a. 0 ::!:: 25 � ::E: 25 � 1 2 1 2 0 0 w 1 0 20 0 w 1 0 2 0 0 w w w w a. w a. w C/) B 1 5 � Ul 8 1 5 � 0 0 z 6 0 z 6 0

3 1 0 = :;; H I = 4 3 4 3

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2 0 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 9 FEB 1 995 SNI - 10 FEB 1 995 20 20

1 8 35 1 8 35

1 6 3 0 ;,;; 1 6 30 ;,;; (f) 1 4

>-- � 1 4 >--

Cl. 0 0 :<: 25 � :<: 25 �

1 2 - 1 2 Cl 0 w 1 0 2 0 0 � 1 0 2 0 0

w w w

Cl. w Cl. w

(f) 8 1 5 :;; (f) 8 1 5 :;; 0 0 z 6

0 z 6 0

:. 1 0 :; :. 1 0 :; 4 :. 4 :.

2 5 2

5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 1 FEB 1 995 SNI - 1 2 FEB 1 995 20 20

1 8 35 1 8 35

1 6 3 0 Vi 1 6 30 ;,;;

� 1 4 >-- � 1 4

>--0 0

:>:: 25 � :<: 25 � - 1 2 - 1 2 Cl 20 Cl

Cl

� 1 0 � 1111 20 Cl

w w

Cl. w Cl. w

(f) 8 1 5 :;; (f) 8 1 5 :;; Cl Cl z 6 Cl z 6 Cl

:. 1 0 :; :. 1 0 :;

4 :. 4 :.

2 5 2

5

0 0 0 0

0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 3 FEB 1 995 SNI - 1 4 FEB 1 995 20 20

1 8 35 1 8 35

1 6 30 ;,;; 1 6 30 ;,;; (f) 1 4

>-- � 1 4 >--

Cl. Cl 0 :<: 25 � "' 25 �

1 2 - 1 2 0 20 8

0 w 1 0 � 1 0 20 Cl

w w

c.. w c.. w

(f) 8 1 5 :;; (f) 8 1 5 :;; Cl 0 z 6

0 z 6 0

"' 1 0 :; "' 1 0 :; 4 :. 4 :.

2 5 2

5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 5 FEB 1 995 SN! - 1 6 FEB 1 995 2121 2121

1 8 35 1 8 35

1 6 3121 Cii 1 6 3121 Cii � 1 4 .... � 1 4 .... 0 0 :t: 25 � :t: 25 � - 1 2 - 1 2 Cl Cl t;j 1 121 2 121 Cl ..., t;j 1 121 2 121 Cl ..., a. ..., a. ..., Ul 8 1 5 2; Ul 8 1 5 2; Cl Cl z 6 Cl z 6 Cl ; 1 121 ::; ; H l ::;

4 ::. 4 ::. 2 5 2 5

121 121 121 121 121 2 4 b 8 1 1il 1 2 1 4 1 (> 1 8 21il 22 24 121 2 4 6 8 1 121 1 2 1 4 1 b 1 8 2121 22 24

HOUR HOUR

SN! - 1 7 FEB 1 995 SNI - 1 8 FEB 1 995 21il 2121 1 8 35 1 8 35 1 6 3 121 Cii 1 6 3121 Cii

� 1 4 .... � 1 4 >--0 a :t: 25 � :t: 25 � - 1 2 - 1 2 Cl Cl t;j 1 1il 2 121 Cl t;j 1 121 2 121 Gl ..., a. ..., a. ..., Ul 8 1 5 2; Ul 8 1 5 2; Cl Cl z 6 Cl z 6 Cl ::. 1 121 ::; ; 1 121 ::;

4 ::. 4 ::. 2 5 2 5

lil 121 121 121 121 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 lil 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 1 9 FEB 1 995 SNI - 2121 FEB 1 995 21il 2121 1 8 35 1 8 35 1 6 3 121 Cii 1 6 3 121 Cii

Ul 1 4 .... � 1 4 .... a. 0 a :t: 25 � :t: 25 � 1 2 - 1 2

0 Cl ..., 1 121 2121 0 t;j 1 121 2 121 0 ..., ..., ..., a. ..., a. ..., Vl 8 1 5 2; Vl 8 1 5 2; 0 0 z 6 0 z 6 0

::. 1 121 ::; ::. 1 1il = 4 ::. 4 "' 2 5 2 5

121 121 lil 121 lil 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24 lil 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 2 1 FEB 1 'l'l5 SNI - 22 FEB 1 'l'l5 20 20

1 8 35 1 8 35

1 6 3 0 Ui 1 0 3 0 Ui (/) 1 4 f- (/) 1 4 f-0.. 0 0.. 0 " 25 � " 25 � 1 2 1 2

Cl Cl w H l 2 0 Cl tj H l 2 0 0 w w w 0.. w 0.. w Ul 8 1 5 B; Ul 8 1 5 B; Cl Cl z 0 Cl z 0 Cl :; 1 0 ;::; - 1 0 ;::; "'

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 23 FEB 1 995 SNI - 24 FEB 1 995 20 20

1 8 35 1 8 35 1 6 3 0 Ui 1 6 30 Ui

(/) 1 4 f- � 1 4 f-0.. 0 0 " 25 � " 25 � 1 2 - 1 2

Cl Cl w H l 2 0 Cl tj 1 0 20 G3 w w 0.. w 0.. w Ul 8 1 5 B; (/) 8 1 5 B; Cl Cl � 0 Cl z 0 Cl

1 0 ;::; - 1 0 ;::; :3 "' 4 "' 4 "' 2 5 2 5

0 0 QJ 0 QJ 2 4 0 8 1 QJ 1 2 1 4 1 0 1 8 20 22 24 0 2 4 0 8 1 QJ 1 2 1 4 1 6 1 8 2QJ 22 24

HOUR HOUR

SNI - 25 FEB 1 995 SNI - 26 FEB 1 995 2QJ 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 30 Ui (/) 1 4 f- � 1 4 f-0.. 0 0 " 25 � ::!: 25 � - 1 2 - 1 2

Cl Cl tj 1 0 2 0 G3 tj 1 0 20 G3 0.. w 0.. w (/) 8 1 5 B; (/) 8 1 5 B; 0 Cl z 0 Cl z 0 Cl "' 1 QJ ;::; "' 1 0 ;::;

4 "' 4 "' 2 5 2 5

QJ 0 0 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 2QJ 22 24 2 4 0 8 1 QJ 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SN! - 27 FEB 1 995 SNI - 2B FEB 1 995 20 20 1 8 35 1 B 35 1 6 3 0 Vi 1 6 30 Vi

� 1 4 1- � 1 4 1-0 0 :.: 25 � :.: 25 � - 1 2 - 1 2

0 0 � 1 0 2 0 0

w � 1 0 2 0 0 w "- w "- w (}) 8 1 5 g; (}) 8 1 5 g; 0 0

z 6 0 z 6 0 "' 1 0 � ::; 1 0 �

4 "' 4 "' 2 5 2 5

0 0 "' "' 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 20 22 24 HOUR HOUR

SN! - 1 MAR 1 995 SNI - 2 MAR 1 995 21il 21il 1 8 35 1 8 35 1 6 3 0 Vi 1 6 31il Vi (}) 1 4 1- � 1 4 1-"- 0 0 :.: 25 � :.: 25 � 1 2 - 1 2

0 0 w 1 1il 2 1il 0 � 1 0 2 1il 0 w w w "- w c. w (}) 8 1 5 g; (}) 8 1 5 g; 0 0 z 6 0 z 6 0 � 1 1il � 1 1il � "' "'

4 "' 4 "' 2 5 2 5

0 0 0 "' 0 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 21il 22 24

HOUR HOUR

SN I - 3 MAR 1 995 SNI - 4 MAR 1 995 21il 21il 1 8 35 1 8 35 1 6 3 1il Vi 1 6 3 1il Vi (}) 1 4 1- (}) 1 4 1-c. 0 c. 0 :.: 25 � :.: 25 � 1 2 1 2

0 0 w 1 1il 2 1il 8 � 1 0 2 1il 0 w w c. w c. w (}) 8 1 5 g; (}) 8 1 5 g; 0 0 z 6 0 z 6 0 ::; 1 1il � 3 1 0 �

4 3 4 3

2 5 2 5

0 0 "' 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 21il 22 24

HOUR HOUR

SNI - 5 MAR 1 995 SNI - 6 MAR 1 995 20 20 1 8 35 1 8 35 1 6 3 0 ;;; 1 6 3 0 ;;;

� 1 4 >-- � 1 4 >--0 0 "' 25 � "' 25 � - 1 2 - 1 2 0 0 � 1 0 20 8 � 1 0 20 0

w a. w a. w (J) 8 1 5 g; (J) 8 1 5 g; 0 0 z 6 0 z 6 0 :3' 1 0 � ;; 1 0 �

4 :3' 4 :3'

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 7 MAR 1 995 SNI - 8 MAR 1 995 20 20 1 8 35 1 8 35 1 6 30 ;;; 1 6 30 ;;;

� 1 4 >-- � 1 4 >--0 0 "' 25 � "' 25 � - 1 2 - 1 2 0

20 8 0

� 1 0 � 1 0 20 8 a. w a. w (J) 8 1 5 g; (J) 8 1 5 g; 0 0 z 6 0 z 6 0

;; 1 0 � ;; 1 0 � 4 :3' 4 :3'

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 9 MAR 1 995 SNI - 1 0 MAR 1 995 20 20

1 8 35 1 8 35 1 6 30 ;;; 1 6 30 ;;;

(J) 1 4 >-- � 1 4 >--a. 0 0 "' 25 � "' 25 � 1 2 - 1 2 0 0 w 1 0 2 0 0 � 1 0 2 0 8 w w a. w a. w (J) 8 1 5 g; (J) 8 1 5 g; 0 0 z 6 0 z 6 0 :3' 1 0 � ;; 1 0 �

4 :3' 4 :3'

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

20 1 8 1 6

(J) 1 4 Q_ :>::

- 1 2 0

::::: 1 0 Q_ (/) 8 0 z 6 :;

4

2 0

0 2 6

20 1 8 1 6

(/) 1 4 Q_ :>::

1 2 0 w 1 0 w Q_ (J) 8 0 z 6 :;

4 2 111

111 2 4 6

2111 1 8 1 6

� 1 4 :>::

- 1 2 0

::::: 1 0 Q_ (/) 8 0 z 6 ::.

4

2 111

111 2 4 6

S N I - 1 1 MAR 1 995

8 1 0

S N I -

8 1 0

SN ! -

8 1 0

1 2 HOUR

1 3 MAR

1 4 1 6

1 995

1 2 1 4 1 6 HOUR

1 5 MAR 1 995

1 2 1 4 1 6 HOUR

35

30 Ui >--0

25 5:2 20 8

w

1 5 � 0

H l � ::.

5

0 1 8 2 0 2 2 24

35

30 Ui >--0

25 5:2 20 8

w

1 5 B; 0

H l � ::.

5

0 1 8 2111 22 24

35

3111 Ui >--0

25 5:2 20 0

w w

1 5 � 0

1 0 � ::.

5

0 1 8 2111 22 24

SNI - 1 2 MAR 1 995 20 1 8 35 1 6 3 0 Ui (/) 1 4 >--

Q_ 0 :>:: 25 5:2

1 2 0

::::: 1 0 20 0 w

Q_ w (/) 8 1 5 � 0 z 6 0

:; 1 0 � 4 ::.

2 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR

SNI - 1 4 MAR 1 995 20 1 8 35 1 6 3 0 Ui

(/) 1 4 >--Q_ 0 :>:: 25 5:2 - 1 2 0

::::: 1 0 20 0 w

Q_ w (/) 8 1 5 B; 0 z 6 0

::. 1 0 � 4 ::.

2 5

111 111 111 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR

SNI - 1 6 MAR 1 995 20 1 8 35 1 6 3 0 Ui

� 1 4 >--0 :>:: 25 5:2

1 2 0 w 1121 2111 0 w w Q_ w (/) 8 1 5 � 0

� 6 0

::. 1 0 � 4 ::.

2 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR

SNI - 1 7 MAR 1 995 SNI - 1 8 MAR 1 995 211l 211l

1 8 35 1 8 35

1 6 3 0 Vi 1 6 3 0 Vi UJ 1 4 1- UJ 1 4 1-a. 0 a. 0 "' 25 � :>: 25 �

1 2 1 2 Cl Cl w 1 0 2 0 B w H l 20 B w w a. w a. w (f) 8 1 5 e; (f) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl "" 1 0 � :; 1 0 �

4 "" 4 ""

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 9 MAR 1 995 SNI - 20 MAR 1 995 211l 20

1 8 35 1 8 35

1 6 30 Vi 1 6 30 Vi (f) 1 4 1- UJ 1 4 1-a. 0 a. 0 :>: 25 � :>: 25 �

1 2 - 1 2 Cl Cl w 1 0 2 0 Cl � 1 0 20 B w w a. w a. w (f) 8 1 5 e; (f) 8 1 5 � Cl Cl z 6 Cl z 6 Cl :; 1 0 � :; 1 0 �

4 "" 4 ""

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 21 MAR 1 995 SNI - 22 MAR 1 995 20 20

18 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi

(f) 1 4 1- � 1 4 1-a. 0 0 "' 25 � "' 25 �

1 2 - 1 2 Cl Cl w 1 0 2 0 Cl � 1 0 20 Cl w w w a. w a. w UJ 8 1 5 � (f) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl "" 1 0 � ::0 1 0 �

4 ::0 4 ::0

2 5 2 5

0 0 Ill 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 23 MAR 1 995 SNI - 24 MAR 1 995 2121 2121 1 8 35 1 8 35

1 6 3 121 Ui 1 6 3121 Ui g: 1 4 ,_ Ill 1 4 ,_

0 a. 0 :1: 25 � :1: 25 � - 1 2 1 2 0 0 2121 0 t:j 1 121 2 121 8 t:j 1 121 w a. w a. w Ill 8 1 5 B; Ill 8 1 5 B; 0 0 z 6 0 z 6 0 ;: 1 121 ::; ;: 1 121 ::;

4 3 4 3

2 5 2 5

121 121 121 121 121 2 4 6 8 1 121 1 2 1 4 1 6 1 8 2121 22 24 121 2 4 6 8 1 121 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 25 MAR 1 995 SNI - 26 MAR 1 995 2121 2121 1 8 35 1 8 35

1 6 3 121 Ui 1 6 3121 Ui g: 1 4 ,_ Ill 1 4 ,_

0 a. 0 :1: 25 � :1: 25 � - 1 2 1 2 0 0 2121 0 t:j 1 121 2 121 8 w 1 121 w w a. w a. w Ill 8 1 5 B; Ill 8 1 5 B; 0 0 z 6 0 z 6 0 ;: 1 121 ::; � 1 121 ::; 3

4 3 4 3

2 5 2 5

121 121 121 121 121 2 4 6 8 1 121 1 2 1 4 1 6 1 8 2121 22 24 121 2 4 6 8 1 121 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 27 MAR 1 995 SNI - 28 MAR 1 995 2121 2121 1 8 35 1 8 35 1 6 3121 Ui 1 6 3121 ;:;;

g: 1 4 ,_ Ill 1 4 ,_ 0 a. 0

:1: 25 � :1: 25 � - 1 2 1 2 0 0 t:j 1 121 2 121 8 t:j 1 121 2121 8 a. w a. w Ul 8 1 5 B; Ill 8 1 5 B; 0 0 z 6 0 z 6 0 ;: 1 121 ::; ;: 1 121 ::;

4 3 4 3

2 5 2 5

121 121 121 121 121 2 4 6 8 1 121 1 2 1 4 1 6 1 8 2121 22 24 121 2 4 6 8 1 121 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 29 MAR 1 995 SNI - 30 MAR 1 995 20 20

1 8 35 1 8 35 1 6 30 (ii 1 6 30 (ii

� 1 4 >-- (J) 1 4 >--0 a. 0 "' 25 52 "' 25 52 - 1 2 1 2

0 0 tj 1 0 20 Cl UJ 1 0 20 Cl

UJ UJ UJ a. UJ a. UJ (J) 8 1 5 e; (J) 8 1 5 e; 0 Cl z 6 Cl z 6 Cl

"' 1 0 = ; 1 0 = 4 "' 4 3

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 3 1 MAR 1 995 SNI - 1 APR 1 995 20 20

1 8 35 1 8 35 1 6 3 0 (ii 1 6 30 (ii

(J) 1 4 >-- (J) 1 4 >--a. 0 a. 0 "' 25 52 >:: 25 52 - 1 2 1 2 0 Cl tj 1 0 2 0 Cl UJ 1 0 20 0

UJ UJ UJ a. UJ a. UJ (J) 8 1 5 e; (J) 8 1 5 e; Cl Cl z 6 0 z 6 Cl :; 1 0 = :; 1 0 =

4 3 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 2 APR 1 995 SNI - 3 APR 1 995 20 20

1 8 35 1 8 35 1 6 3 0 (ii 1 6 30 (ii

� 1 4 >-- (J) 1 4 >--0 a. 0

>:: 25 52 >:: 25 52 - 1 2 1 2 0 Cl tj 1 0 2 0 8 UJ 1 0 20 8 UJ a. UJ a. UJ (J) 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 Cl z 6 Cl 3 1 0 = :; 1 0 =

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 4 APR 1 995 SNI - 5 APR 1 995 20 20

1 8 35 1 8 35

1 6 3 0 Ui 1 6 30 Ui g: 1 4 >-- (f) 1 4 >--

0 a. 0 ::c 25 � ::c 25 �

1 2 1 2 Cl Cl 20 Cl t:j 1 0 2 0 Cl w 1 0 w w w a. w a. w (f) 8 1 5 5; (f) 8 1 5 5; Cl Cl Cl z 6 Cl z 6 "" 1 0 � :; 1 0 �

4 "" 4 "" 2 5 2 5

0 0 0 0 2 4 6 8 H I 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 6 APR 1 995 SNI - 7 APR 1 995 20 20 1 8 35 1 8 35

1 6 3 0 Ui 1 6 30 Ui g: 1 4 >-- (f) 1 4 >--

Cl a. 0 ::c 25 � ::c 25 � - 1 2 1 2 Cl Cl 20 Cl t:j 1 0 2 0 Cl w 1 0 w w w a. w a. w (J) 8 1 5 5; (f) 8 1 5 8; Cl Cl

Cl z 6 Cl z 6 � 1 0 � � 1 0 � "" "" 4 "" 4 "" 2 5 2 5

0 0 0 0 0 2 4 6 8 H J 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 H l 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 8 APR 1 995 SNI - 9 APR 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 30 Ui

(f) 1 4 >-- (f) 1 4 >--a. 0 a. 0 ::c 25 � ::c 25 �

1 2 1 2 Cl Cl w 1 0 2 0 Cl w 1 0 20 Cl w w w w a. w a. w (J) 8 1 5 8; (f) 8 1 5 8; Cl Cl z 6 Cl z 6 Cl :; 1 0 � :; 1 0 �

4 "" 4 "" 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 � APR 1 995 SNI - 1 1 APR 1 995 2� 2�

1 8 35 1 8 35

1 6 3121 Vi 1 6 3� Vi U) 1 4 >-- � 1 4 >--CL 0 0 :>:: 25 � :>:: 25 �

1 2 1 2 Cl Cl w H l 2121 El w 1 121 2 121 El w w CL w CL w U) 8 1 5 g; U) 8 1 5 g; Cl Cl z 6 Cl z 6 Cl "" 1 0 = :;; 1 121 �

4 "" 4 "" 2 5 2 5

0 � 0 � � 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2� 22 24 0 2 4 6 8 1111 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 1 2 APR 1 995 SNI - 1 3 APR 1 995 20 20

1 8 35 1 8 35

1 6 3121 Vi 1 6 3121 Vi U) 1 4 >-- � 1 4 >--CL 0 0 :>:: 25 � :>:: 25 �

1 2 - 1 2 Cl Cl w 1 121 2121 El � H l 2121 El w CL w a. w U) 8 1 5 g; U) 8 1 5 g; Cl Cl z 6 Cl z 6 Cl � 1 121 � :;; 1 121 � ""

4 "" 4 "" 2 5 2 5

121 0 121 2 4 6 8 1 121 1 2 1 4 1 6 1 8 2121 22 24 121 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SN! - 1 4 APR 1 995 SNI - 1 5 APR 1 995 2� 2121

1 8 35 1 8 35 1 6 3121 Vi 1 6 3121 Vi

U) 1 4 >-- � 1 4 >--CL 0 0 :<: 25 � :<: 25 � 1 2 - 1 2 Cl Cl w 1 0 2121 El � 1 0 2121 El w a. w a. w (J) 8 1 5 g; U) 8 1 5 g; Cl Cl z 6 Cl z 6 Cl "" 1 121 � :;; 1 121 �

4 "" 4 "" 2 5 2 5

13 121 13 13 � 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2121 22 24 � 2 4 6 8 1 121 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 1 6 APR 1 995 SNI - 17 APR 1 995 20 20 1 8 35 1 8 35 1 6 3 0 u; 1 6 30 u;

Ul 1 4 .... Ul 1 4 .... "- 0 "- 0 :>:: 25 � :>:: 25 � - 1 2 - 1 2 0 0 t::: 1 0 2 0 8 t::: 1 0 20 8 "- w "- w Ul 8 1 5 5; Ul 8 1 5 5; 0 0 z 6 0 z 6 0 ;: 1 0 � ;: 1 0 �

4 "' 4 "'

2 5 2 5

121 121 0 "' 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 121 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2121 22 24

HOUR HOUR

SNI - 1 8 APR 1 995 SNI - 1 9 APR 1 995 20 20 1 8 35 1 8 35 1 6 3121 u; 1 6 3 121 u;

� 1 4 .... (J) 1 4 .... 0 Q. 0 :>:: 25 � :>:: 25 � - 1 2 1 2 0 0 t::: 1 0 20 0 w 1 0 2 121 0

w w w Q_ w Q_ w Ul 8 1 5 5; (J) 8 1 5 B; 0 0 z 6 0 z 6 0 ;: H l � � 1 121 � "'

4 "' 4 "' 2 5 2 5

0 121 0 "' 121 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 20 APR 1 995 SNI - 21 APR 1 995 20 20 1 8 35 1 8 35 1 6 3 0 u; 1 6 3 121 u;

� 1 4 .... � 1 4 .... 0 0

:>:: 25 � "' 25 � - 1 2 - 1 2 0 0 t::: 1 0 2121 0 t::: 1 0 20 8 w Q_ w Q_ w (J) 8 1 5 B; (J) 8 1 5 B; 0 0 z 6 0 z 6 0 "' 1 0 � ::> H l �

4 ::> 4 "' 2 5 2 5

0 121 0 "' 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 22 APR 1 995 SNI - 23 APR 1 995 20 20

1 8 35 1 8 35

1 6 3 � u; 1 6 3� u; Cfl 1 4 I- � 1 4 I-"- 0 0 ::E: 25 � ::E: 25 �

1 2 - 1 2 Cl 0 LU 1 0 2 � Cl � 1 0 20 Cl LU LU w "- LU "- w Cfl 8 1 5 � Cfl 8 1 5 � Cl Cl z 6 Cl z 6 Cl ;: 1 � ::; ;: 1 0 ::;

4 "' 4 "' 2 5 2 5

0 � 0 0 0 2 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 24 APR 1 995 SNI - 25 APR 1 995 20 20

1 8 35 1 8 35 1 6 3 0 u; 1 6 30 u;

Cfl 1 4 I- Cfl 1 4 I-"- 0 "- 0 ::E: 25 � ::E: 25 � 1 2 1 2 0 Cl LU 1 0 2 0 8 � 1 1il 20 Cl LU w "- w "- w Cfl 8 1 5 � Cfl 8 1 5 � Cl 0 ::; 6 Cl z 6 Cl "' 1 0 ::; ;: 1 0 ::;

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 H I 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 26 APR 1 995 SNI - 27 APR 1 995 20 20

1 8 35 1 8 35 1 6 3 � u; 1 6 3 0 u;

Cfl 1 4 I- � 1 4 I-"- 0 0 ::E: 25 � ::E: 25 � 1 2 - 1 2 Cl 21il Cl Cl w 1 1il � 1 1il 2 1!1 Cl w w w "- w "- w Cfl 8 1 5 � Cfl 8 1 5 � Cl 0 ::; 6 Cl z 6 Cl "' 1 1!1 = "' 1 1!1 =

4 "' 4 "' 2 5 2 5

lil lil lil 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1QI 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 28 APR 1 995 SNI - 29 APR 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi

� 1 4 >-- (f) 1 4 >--0 ()._ 0

:>:: 25 � :>:: 25 � - 1 2 1 2 0 0 t:J 1 0 2 0 0 w 1 0 2 0 0

w w w ()._ w ()._ w (f) 8 1 5 B; (f) 8 1 5 B; 0 0 z 6 0 z 6 0 :; 1 0 ;::; ::z 1 0 ;::;

4 ::z 4 ::z

2 5 2 5

0 0 Ill 0 0 2 4 6 8 H!l 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 30 APR 1 995 SNI - 1 MAY 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 3 0 Vi

� 1 4 >-- � 1 4 >--0 0 :>:: 25 � :>:: 25 � - 1 2 - 1 2

0 0 t:J 1 0 20 0 t:J 1 0 20 0

w w ()._ w a. w (f) 8 1 5 B; (f) 8 1 5 B; 0 0 z 6 0 z 6 0 :; 1 0 ;::; ::z 1 0 ;::;

4 ::z 4 "'

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 2 MAY 1 995 SNI - 3 MAY 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi (f) 1 4 >-- (f) 1 4 >--()._ 0 ()._ 0 :>:: 25 � :>:: 25 � 1 2 1 2

0 0 w 1 0 2 0 0 w 1121 20 � w w w ()._ w ()._ w (f) 8 1 5 B; (f) 8 1 5 B; 0 0 z 6 0 ;::; 6 0 ::z 1 0 ;::; ::z 1 0 ;::;

4 ::z 4 "'

2 5 2 5

Ill 0 0 Ill 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 Ill 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 4 MAY 1 995 SNI - 5 MAY 1 995 20 2121 1 8 35 1 8 35 1 6 3121 ;,;; 1 6 3 121 ;,;;

(f) 1 4 ..... (j) 1 4 ..... 0.. 0 0.. 0 "" 25 52 "" 25 52 1 2 1 2 0 Cl t:J 1 0 20 Cl t:J 1 0 20 Cl w w 0.. w a. w (j) 8 1 5 g; (j) 8 1 5 g; Cl Cl z 6 0 z 6 Cl ;: 1 0 = ;: 1 0 =

4 3 4 3

2 5 2 5

0 0 0 0 0 2 4 6 8 H l 1 2 1 4 1 6 1 8 21il 22 24 lil 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 6 MAY 1 995 SNI - 7 MAY 1 995 20 20 1 8 35 1 8 35 1 6 3 0 ;,;; 1 6 30 ;;;

Vl 1 4 ..... � 1 4 ..... 0.. 0 0 :>: 25 52 :>: 25 52 1 2 - 1 2 Cl

20 B Cl

w 1 0 t:J 1 0 2 0 Cl w w 0.. w a. w (j) 8 1 5 g; Vl 8 1 5 g; Cl Cl z 6 Cl z 6 Cl 3 1 0 = ;: 1 0 =

4 3 4 3

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 8 MAY 1 995 SNI - 9 MAY 1 995 20 2121 1 8 35 1 8 35 1 6 3 0 ;;; 1 6 3121 ;;;

� 1 4 ..... � 1 4 ..... Cl 0 :>: 25 52 "" 25 52 1 2 - 1 2 Cl Cl w 1 0 2 0 Cl t:J 1 0 2 121 Cl w w w a. w a. w (j) 8 1 5 g; Vl 8 1 5 g; Cl 0 z 6 Cl z 6 Cl 3 1 0 = ;: 1 0 =

4 3 4 =-

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SN! - 1 0 MAY 1 995 SNI - 1 1 MAY 1 995 20 20 1 8 35 1 8 35 1 o 3 0 ;:;; 1 o 3 0 ;:;;

� 1 4 >-- tJ) 1 4 >--0 c.. 0

:0:: 25 ;:;; :0:: 25 ;:;; - 1 2 1 2 0 0 tj 1 0 2 0 8 w 1 0 2 0 0

w w c.. w c.. w tJ) 8 1 5 e; tJ) 8 1 5 e; 0 0 z 0 0 z 0 0 ;: 1 0 � ;: 1 0 �

4 ::. 4 ::.

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 o . 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 o 1 8 20 22 24

HOUR HOUR

SNI - 1 2 MAY 1 995 SNJ - 1 3 MAY 1 995 20 20 1 8 35 1 8 35 1 o 30 ;:;; 1 6 3 0 ;:;;

U) 1 4 >-- � 1 4 >--c.. 0 0 :0:: 25 ;:;; :r 25 ;:;; 1 2 - 1 2 0 0 w 1 0 2 0 0 tj 1 0 2 0 8 w w c.. w c.. w en 8 1 5 e; en 8 1 5 e; 0 0 � 6 0 z 6 0

::. 1 0 � ;: 1 0 � 4 ::. 4 ::.

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 H l 1 2 1 4 1 o 1 8 20 22 24

HOUR HOUR

SNJ - 1 4 MAY 1 995 SNJ - 1 5 MAY 1 995 20 20 1 8 35 1 8 35 1 6 30 ;:;; 1 6 3 0 ;:;;

� 1 4 >-- � 1 4 >--0 0

:0:: 25 ;:;; :r 25 ;:;; - 1 2 - 1 2 0 0 w 1 0 2 0 0 tj H l 2 0 0 w w w c.. w c.. w (f) 8 1 5 e; (f) 8 1 5 e; 0 0 z 6 0 z 6 0 :X 1 0 � ;: 1 0 �

4 :X 4 :X

2 5 2 5

0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 b MAY 1 995 SNI - 1 7 M AY 1 995 20 20

1 8 35 1 8 35

1 b 30 u; 1 6 3 0 u; � 1 4 >-- � 1 4 >--

0 0 :>:: 25 i:2 :>:: 25 i:2 - 1 2 1 2 Cl Cl tj 1 0 2 0 Cl tj 1 0 20 Cl

w w a. w a. w Vl 8 1 5 B; Vl 8 1 5 B; Cl Cl z 6 Cl z b Cl ::. 1 0 ::: ; 1 0 :::

4 ::. 4 =-

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 8 MAY 1 995 SNI - 1 9 MAY 1 995 20 20

1 8 35 1 8 35 1 6 3 0 u; 1 6 3 0 Ui

� 1 4 >-- � 1 4 >--0 0 :>:: 25 i:2 :>:: 25 i:2 - 1 2 - 1 2 Cl Cl tj 1 0 2 0 Cl

w tj 1 0 2 0 Cl w

a. w a. w Vl 8 1 5 B; Vl 8 1 5 B; Cl Cl z b Cl z 6 Cl ; 1 0 ::: ; 1 0 :::

4 ::. 4 ::. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 20 MAY 1 995 SNI - 2 1 MAY 1 995 20 20 1 8 35 1 8 35 1 b 30 u; 1 6 30 u;

� 1 4 >-- � 1 4 >--0 0 :>:: 25 i:2 :>:: 25 i:2 - 1 2 - 1 2 Cl Cl w 1 0 2 0 B tj 1 0 2 0 B w a. w a. w Vl 8 1 5 B; Vl 8 1 5 B; D Cl z 6 Cl z b Cl 3 1 0 ::: ; 1 0 =

4 ::. 4 ::. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 b 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNl - 22 MAY 1 995 SNl - 23 MAY 1 995 20 20 1 8 35 1 8 35 1 6 3 0 u; 1 6 30 u;

� 1 4 >-- � 1 4 >--0 0

:0:: 25 � :0:: 25 � - 1 2 1 2 0 Cl

20 Cl t;l 1 0 20 D UJ 1 1il UJ UJ UJ 0.. UJ 0.. UJ (J) 8 1 5 � (J) 8 1 5 � Cl Cl

0 z 6 D z 6 ;; 1 0 ::: ;; 1111 ::: 4 "" 4 "" 2 5 2 5

lil lil lil 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 24 MAY 1 995 SNl - 25 MAY 1 995 21il 21il 1 8 35 1 8 35

1 6 3 1il u; 1 6 3 0 u; � 1 4 ,.._ � 1 4 ,.._

0 0

:0:: 25 � ::<: 25 � - 1 2 - 1 2 0

t;l 1 1il 20 0 UJ

Cl

21il 8 t;l 1 1il 0.. UJ 0.. w (J) 8 1 5 � (J) 8 1 5 e; 0 Cl z 6 D z 6 0

;; 1 0 ::: ;; 1 0 ::: 4 "" 4 "" 2 5 2 5

0 0 lil 0 0 2 4 6 8 1 1il 1 2 1 4 1 () 1 8 20 22 24 lil 2 4 b 8 1 0 1 2 1 4 1 () 1 8 20 22 24

HOUR HOUR

SN! - 2b MAY 1 995 SNJ - 27 MAY 1 995 21il 21il 1 8 35 1 8 35

1 6 30 u; 1 6 3 1il u; � 1 4 ,.._ (J) 1 4 ,.._

0 0.. 0

:c 25 � :c 25 � - 1 2 1 2 D 0 21il D tj 1 1il 20 0 UJ 1 0 UJ UJ w 0.. UJ 0.. w (J) 8 1 5 e; (J) 8 1 5 e; Cl 0 z 6 D z 6 D

;; 1 0 ::: "" 1 0 ::: 4 "" 4 "" 2 5 2 5

0 0 0 0 0 2 4 b 8 1 0 1 2 1 4 1 () 1 8 21il 22 24 lil 2 4 b 8 1 1il 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 28 MAY 1 995 SNI - 29 MAY 1 995 20 20

1 8 35 1 8 35 1 6 3 0 u; 1 6 30 u;

Ul 1 4 >-- g> 1 4 >--a. 0 0 :0:: 25 � :0:: 25 � 1 2 - 1 2 Cl Cl w 1 0 2 0 Cl � 1 0 20 Cl w w w a. w a. w Ul 8 1 5 B; (J) 8 1 5 B; Cl Cl z 6 Cl z 6 Cl

:; 1 0 � :; 1 0 � 4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 30 MAY 1 995 SNI - 31 MAY 1 995 20 20 1 8 35 1 8 35 1 6 30 u; 1 6 30 u;

g> 1 4 >-- (J) 1 4 >--0 a. 0

::c 25 � :0:: 25 � - 1 2 1 2 Cl Cl w 1 0 2 0 � � 1 0 20 � w a. w a. w Ul 8 1 5 e, (J) 8 1 5 B; Cl Cl z 6 Cl z 6 Cl

:; 1 0 � "' 1 0 � 4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 JUN 1 995 SNI - 2 JUN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 u; 1 6 30 u;

g> 1 4 >-- (J) 1 4 >--Cl a. Cl

:0:: 25 � ::c 25 � - 1 2 1 2 Cl Cl � 1 0 2 0 Cl w 1 0 2 0 Cl

w w w a. w a. w (J) 8 1 5 B; (J) 8 1 5 B; 0 Cl z 6 Cl z 6 Cl "' 1 0 � :; 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SN! - 3 JUN 1 995 SN! - 4 JUN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Vi

1 6 30 Vi (J) 1 4 >- � 1 4 >-a. 0 0 :>:: 25 l2 :>:: 25 l2 1 2 - 1 2 Cl Cl t;j H l 2 0 Cl t;j 1 0 20 Cl UJ UJ a. UJ a. UJ (J) 8 1 5 B; (J) 8 1 5 B; Cl Cl z 6 Cl z 6 Cl ::0 1 0 = ;: 1 0 =

4 ::0 4 ::0

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 5 JUN 1 995 SNI - 6 JUN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi (J) 1 4 >- � 1 4 >-a. 0 0 :>:: 25 l2 >: 25 l2 1 2 - 1 2

Cl Cl t;j 1 0 2 0 Cl UJ t;j 1 0 20 El a. UJ a. UJ (J) 8 1 5 B; (J) 8 1 5 B; Cl Cl z 6 Cl z 6 0 ;: H l = ;: 1 0 =

4 ::0 4 ::0

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 7 JUN 1 995 SNI - 8 JUN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 30 Vi

� 1 4 >- � 1 4 >-0 0 ::t: 25 l2 ::c 25 l2 - 1 2 - 1 2 Cl Cl t;j 1 0 2 0 0 w t;j 1 0 20 Cl w a. w a. UJ (J) 8 1 5 B; (J) 8 1 5 B; Cl Cl z 6 0 z 6 0 ;: 1 0 = ;: 1 0 =

4 ::0 4 ::0

2 5 2 5

0 0 lil 0 lil 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 9 JUN 1 995 SNI - 1 0 JUN 1 995 20 20 1 8 35 1 8 35 1 6 30 Vi 1 6 3 0 Vi

� 1 4 >-- � 1 4 >--0 0 :>:: 25 � "' 25 � 1 2 - 1 2 0 0 w 1 0 2 0 Cl t:j 1 0 2 0 Cl w w w a. w a. w ({) 8 1 5 e; ({) 8 1 5 e; Cl Cl z 0 Cl z 0 Cl "" 1 0 � ; 1 0 �

4 "" 4 "" 2 5 2 5

0 0 0 0 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 1 JUN 1 995 SNI - 1 2 JUN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Vi 1 6 3 0 Vi ({) 1 4 >-- ({) 1 4 >--a. 0 a. 0 "' 25 � "' 25 � - 1 2 1 2 Cl 0

t:j 1 0 2 0 Cl w 1 0 2 0 s w w a. w a. w ({) 8 1 5 e; ({) 8 1 5 e; Cl Cl z 0 Cl z 6 Cl ; 1 0 � ; 1 0 �

4 "" 4 "" 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2 0 22 24 0 2 4 6 8 H l 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 3 JUN 1 995 SNI - 1 4 JUN 1 995 20 20 1 8 35 1 8 35 1 6 30 Vi 1 6 3 0 Vi

Ul 1 4 >-- � 1 4 >--a. Cl 0 >: 25 � >: 25 � 1 2 - 1 2 0 0 w 1 0 2 0 Cl w 1 0 2 0 0 w w w w a. w a. w ({) 8 1 5 e; Ul 8 1 5 e; 0 Cl z 0 0 z 6 0 ; 1 0 � "' 1 0 �

4 "" 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 5 JUN 1 995 SNI - 1 6 JUN 1 995 2111 2111 1 8 35 1 8 35 1 6 3111 en 1 6 3 0 en

� 1 4 ..... (J) 1 4 ..... 0 Q. 0 :E: 25 � :E: 25 � - 1 2 - 1 2

Cl Cl t:j 1 111 20 Cl t:j 1 111 20 Cl w w

a. w a. w (J) 8 1 5 e; (J) 8 1 5 e; Cl Cl z 0 Cl z 0 Cl ;; 1 0 � ;; 1 0 �

4 "' 4 "' 2 5 2 5

0 111 0 111 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 2111 22 24 111 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 7 JUN 1 995 SNI - 1 8 JUN 1 995 20 20 1 8 35 18 35 1 6 3 0 en 1 6 30 en (J) 1 4 ..... � 1 4 ..... a. 0 0 >:: 25 � >:: 25 � 1 2 - 1 2

Cl Cl w 1 0 2111 Cl t:j 1 111 20 Cl w w w a. w Q. w (J) 8 1 5 e; (J) 8 1 5 e; Cl Cl z 6 Cl z 0 Cl ;; 1 0 � � 1 0 � "'

4 "' 4 "' 2 5 2 5

111 0 111 0 0 2 4 0 8 1 0 1 2 1 4 1 0 1 8 2111 22 24 111 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 9 JUN 1 995 SNI - 2111 JUN 1 995 2111 20 1 8 35 1 8 35 1 6 3 0 en 1 6 30 en

� 1 4 ..... � 1 4 ..... 0 0 :E: 25 � :>:: 25 � 1 2 - 1 2

Cl Cl w 1 111 20 Cl t:j 1 111 2111 Cl w w w a. w Q. w (f) 8 1 5 e; (f) 8 1 5 e; Cl Cl z 0 Cl z 0 Cl ;:. 1 0 � ;; 1 111 �

4 "' 4 3

2 5 2 5

111 0 111 111 0 2 4 0 8 1 111 1 2 1 4 1 6 1 8 2111 22 24 0 2 4 0 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

S N I - 21 JUN 1 995 SNI - 22 JUN 1 995 20 20

1 8 35 1 8 35

1 6 3 0 (ij 1 6 30 (ij � 1 4 >-- � 1 4 >--

0 0 =>= 25 � =>= 25 � - 1 2 - 1 2 0 0 ::::: 1 0 2 0 E3 t:j 1 1il 20 c w a. ...., a. w en 8 1 5 B; (J) 8 1 5 B; c 0 z 6 c z 6 Cl "' 1 0 ;:: :; 1 0 ;::

4 "' 4 "' 2 5 2 5

0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 23 JUN 1 995 S N ! - 24 JUN 1 995 20 21il

1 8 35 1 8 35 1 6 3 0 (ij 1 6 30 (ij

en 1 4 >-- � 1 4 >--a. 0 0 =>= 25 � =>= 25 � 1 2 - 1 2 0 0 w 1 0 20 E3 t:j H l 20 E3 w a. w a. ...., en 8 1 5 B; (J) 8 1 5 B; c 0 z 6 Cl z 6 Cl :; 1 0 ;:: � 1 0 ;:: "' "' 4 "'

2 5 2 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 25 JUN 1 995 SNI - 26 JUN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 (ij 1 6 30 (ij

� 1 4 >-- en 1 4 >--0 a. 0 =>= 25 � ::!: 25 � - 1 2 1 2

0 0 ::::: 1 0 20 E3 ::::: 1 0 2 0 Cl

w a. w a. ...., en 8 1 5 B; en 8 1 5 B; 0 Cl z 6 Cl z 6 c :; 1 0 ;:: :; 1 0 ;::

4 "' 4 "' 2 5 2 5

0 lil 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 27 JUN 1 995 SNI - 28 JUN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 30 Ui

� 1 4 1- � 1 4 1-0 0 "' 25 � X: 25 � - 1 2 1 2

0 0 t:J 1 0 2 0 0 LU 1 0 20 0

LU LU LU a. LU a. LU (f) 8 1 5 e; (f) 8 1 5 e; 0 0 z 6 0 z 6 0 :; 1 0 ;::: "' 1 0 ;:::

4 "' 4 "' 2 5 2 5

0 Ill 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 29 JUN 1 995 SNI - 30 JUN 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 30 Ui

� 1 4 1- (f) 1 4 1-0 a. 0 :c 25 � "' 25 � - 1 2 1 2

0 0 t:J 1 1il 2 0 0 t:J 1 0 20 0 LU LU a. LU a. LU (f) 8 1 5 g; (J) 8 1 5 e; 0 � 0 z 6 0 z 6 0 :; 1 0 ;::: :; 1 0 ;:::

4 "' 4 "' 2 5 2 5

Ill 0 Ill 0 Ill 2 4 6 8 1 0 1 2 1 4 1 6 1 8 21il 22 24 Ill 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 JUL 1 995 SNI - 2 JUL 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 3 0 Ui

� 1 4 1- (J) 1 4 1-0 a. 0 "' 25 � "' 25 � 1 2 1 2

0 0 LU 1 0 2 0 8 w 1 0 20 0 w LU LU a. LU Q. LU (J) 8 1 5 e; (J) 8 1 5 g; 0 0 z 6 0 z 6 0 :; 1 0 ;::: :; 1 0 ;::: 4 "' 4 "' 2 5 2 5

0 0 0 0 Ill 2 4 6 8 1 1il 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 3 JUL 1 995 SNI - 4 JUL 1 995 20 20

1 8 35 1 8 35 1 6 3 0 ;,;; 1 6 30 ;,;;

Cfl 1 4 1- � 1 4 1-0.. 0 0 :>: 25 � :>: 25 � 1 2 - 1 2 0 0 w 1 0 2 0 0 t:j 1 0 20 8 w w 0.. w 0.. w Cfl 8 1 5 e; Cfl 8 1 5 e; 0 0 z 6 0 z 6 0 :; 1 0 = - 1 0 = ::<

4 ::< 4 ::<

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 5 JUL 1 995 SNI - 6 JUL 1 995 20 20

1 8 35 1 8 35 1 6 3 0 ;,;; 1 6 30 ;,;;

� 1 4 1- � 1 4 1-0 0 :>: 25 � >: 25 � - 1 2 - 1 2 0 0 t:j 1 0 2 0 0 t:j 1 0 20 0 w w 0.. w a. w Cfl 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 0 :; 1 0 = - 1 0 = ::<

4 ::< 4 ::<

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 7 JUL 1 995 SNI - 8 JUL 1 995 20 20 1 8 35 1 8 35 1 6 3 0 ;,;; 1 6 30 ;,;; Cfl 1 4 1- � 1 4 1-a. 0 0

:>: 25 � :>: 25 � 1 2 - 1 2 0 0 t:j 1 0 2 0 0 t:j 1 0 20 0 w w a. w a. w Cfl 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 0 ::< 1 0 = ::< 1 0 =

4 ::< 4 ::<

2 5 2 5

0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

S N I - 9 JUL 1 995 SNI - 1 0 JUL 1 995 20 20 1 8 35 1 8 35 1 6 3 0 Ui 1 6 30 Ui

� 1 4 .... � 1 4 .... 0 0

:>:: 25 � :>:: 25 � 1 2 1 2 Cl Cl w 1 0 20 8 w 1 0 20 Cl w w w Q_ w Q_ w Ul 8 1 5 e; Ul 8 1 5 e; Cl Cl z 6 Cl z 6 Cl "' 1 0 � :; 1 0 �

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 1 JUL 1 995 S N I - 1 2 JUL 1 995 20 20 1 8 35 1 8 35 1 6 30 u; 1 6 30 u;

� 1 4 .... Ul 1 4 .... 0 a. 0

:>:: 25 � :>:: 25 � 1 2 1 2 Cl Cl w 1 0 2 0 Cl w 1 0 2 0 Cl w w w w Q_ w Q_ w Ul 8 1 5 e; Ul 8 1 5 e; Cl Cl z 6 Cl z 6 Cl - 1 0 � - 1 0 � "' "'

4 "' 4 "' 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 3 JUL 1 995 SNI - 1 4 JUL 1 995 20 20 1 8 35 1 8 35 1 6 30 u; 1 6 30 u;

Ul 1 4 .... Ul 1 4 .... Q_ 0 Q_ 0 :E 25 � :>:: 25 � 1 2 1 2 Cl Cl w 1 0 2 0 8 w 1 0 20 Cl w w w Q_ w Q_ w Ul 8 1 5 e; Ul 8 1 5 e; Cl Cl z 6 Cl z 6 Cl "' 1 0 � "' 1 0 �

4 ::. 4 ::. 2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 5 JUL 1 995 SNI - 1 6 JUL 1 995 2� 2�

1 8 35 1 8 35 1 6 3 � ;;; 1 6 30 ;;;

� 1 4 .... (f) 1 4 .... 0 c. 0 "" 25 � :<: 25 � 1 2 1 2

Cl Cl w H l 2 1il Cl tj 1 � 20 Cl w w w a._ w a._ w (J) 8 1 5 e; (f) 8 1 5 e; Cl 0 z 6 Cl z 6 Cl ::; 1 1il :::: ::; 1 0 ::::

4 ::z 4 ::z

2 5 2 5

0 1!1 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 7 JUL 1 995 SNI - 1 8 JUL 1 995 20 21!1 1 8 35 1 8 35 1 6 30 ;;; 1 6 30 ;;; "' 1 4 .... � 1 4 ....

c. 0 Cl "" 25 � z 25 � 1 2 - 1 2 Cl

20 0 Cl w 1 1!1 tj 1 "' 20 Cl w w w a._ w c. w (J) 8 1 5 e; (f) 8 1 5 e; 0 Cl z 6 0 z 6 0 ::z 1 0 :::: ::z 1 0 ::::

4 ::z 4 ::z

2 5 2 5

� 0 � 0 0 2 4 6 8 1 � 1 2 1 4 1 6 1 8 20 22 24 � 2 4 6 8 1 � 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 1 9 JUL 1 995 SNI - 21!1 JUL 1 995 20 20 1 8 35 1 8 35 1 6 3 0 ;;; 1 6 31!1 ;;;

(J) 1 4 .... (f) 1 4 .... c. 0 c. 0 "" 25 � :<: 25 � 1 2 1 2 0 Cl tj 1 � 21!1 0 w 1 � 2 1!1 Cl

w w w a._ w c. w (J) 8 1 5 e; (f) 8 1 5 e; Cl Cl z 6 Cl z 6 Cl "" 1 1!1 :::: ::; 1 1!1 ::::

4 "" 4 ::0

2 5 2 5

0 0 � 0 0 2 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 � 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 21 JUL 1 995 SNI - 22 JUL 1 995 20 20 1 8 35 1 8 35 1 6 3 0 u; 1 6 30 u;

� 1 4 >-- � 1 4 >--0 0

:.;:: 25 � >: 25 � - 1 2 - 1 2 0 0 w 1 0 2 0 0 t:j 1 0 20 � w w a. w c. w (J) 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 0 -

H l !: - 1 0 !: 3 :::> 4 3 4 :::>

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 23 JUL 1 995 SNI - 24 JUL 1 995 20 20 1 8 35 1 8 35 1 6 3 0 u; 1 6 30 Vi

� 1 4 >-- � 1 4 >--0 0

>: 25 � >: 25 � 1 2 - 1 2 0 0 w 1 0 2 0 0 t:j 1 0 20 0 w w w c. w c. w (J) 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 0 ;: 1 0 !: ;: 1 0 !:

4 3 4 :::>

2 5 2 5

0 0 0 0 0 2 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 25 JUL 1 995 SNI - 26 JUL 1 995 20 20 1 8 35 1 8 35 1 6 3 0 u; 1 6 3 0 u; (J) 1 4 >-- (J) 1 4 >--

c. 0 c. 0 >: 25 � >: 25 � 1 2 1 2 0 0 t:l 1 0 20 0 w 1 0 2 0 0

w w w a. w a. w (J) 8 1 5 e; (J) 8 1 5 e; 0 0 z 6 0 z 6 0 3 H l !: :::> 1 0 !:

4 3 4 3

2 5 2 5

0 0 0 0 0 2 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 27 JUL 1 995 SNI - 28 JUL 1 995 20 20

1 8 3 5 1 8 35

1 6 30 ;:;; 1 6 3 0 ;:;; � 1 4 I- (/) 1 4 I-0 a. 0 "' 25 � "' 25 � - 1 2 1 2 Cl Cl t;j 1 0 2 0 Cl t;j H l 2 0 Cl w w a. w a. w (/) 8 1 5 g; IJ) 8 1 5 g; Cl Cl z 6 Cl z 6 Cl ;: 1 0 ;:; ;: 1 0 ;:;

4 =- 4 =-

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 29 JUL 1 995 SNI - 30 JUL 1 995 20 20

1 8 35 1 8 35 1 6 30 ;:;; 1 6 30 ;:;;

� 1 4 I- IJ) 1 4 I-0 a. 0 "' 25 � "' 25 � - 1 2 1 2 Cl Cl t;j 1 0 2 0 8 w 1 0 20 Cl w w a. w a. w (/) 8 1 5 g; IJ) 8 1 5 g; Cl Cl z 6 Cl z 6 Cl ;: 1 0 ;:; ;: 1 0 ;:;

4 =- 4 =-

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

SNI - 3 1 JUL 1 995 SNI - 1 AUG 1 995 20 20 1 8 35 1 8 35 1 6 30 ;:;; 1 6 30 ;:;;

IJ) 1 4 I- (/) 1 4 I-a. 0 a. 0 "' 25 � :c 25 � 1 2 1 2 Cl Cl t;j 1 0 2 0 Cl w 1 0 20 Cl w w w a. w a. w (/) 8 1 5 g; (/) 8 1 5 g; Cl Cl z 6 Cl z 6 Cl ;: 1 0 = - 1 0 = =-

4 =- 4 =-

2 5 2 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

Repeat Figures for Days with Wind Speed Over 20 m/s

San N i co l as I s l an d - 28 AUG 1 994 San N i co l as I s l and - 29 AUG 1 994

28 55 28 55 50 50

24 45 u; 24 45 (f) (f) t-- (f) t--0.. 211! 40 0 a. 211! 40 0 :>: z :>: z

35 = 35 "' Cl 1 6 Cl 1 6 w 311! Cl w 311! Cl w w w w 0.. 25 � a. 25 w (f) 1 2 (f) 1 2 a.

(f) (f) Cl 211! Cl

Cl 211! Cl z z

;: 8 1 5 � ;: 8 1 5 z 3 ;:

1 0 1 11! 4 4 5 5

0 0 0 0 11! 2 4 6 8 1 11! 1 2 1 4 1 6 1 8 211! 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

San N i c o l as I s l an d - 2 SEP 1 994 San N i c o l as I s l an d - 9 SEP 1 994

28 55 28 55 50 50

24 45 u; 24 45 (f) (f) t-- (f) t--a. 211! 40 0 a. 20 40 0 :>: z :>: z

35 = 35 = Cl 1 6 Cl 1 6 w 30 Cl w 30 B w w w a. 25 � a. 25 � (f) 1 2 (f) 1 2 (f) (f) Cl 20 Cl

Cl 20 z z 0 ;: 8 1 5 � ;: 8 1 5 z

3 ;: 1 0 1 0

4 4 5 5

0 0 0 0 11! 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

San N i c o l as I s l an d - 1 0 SEP 1 994 San N i co l as I s l an d - 1 2 O C T 1 994

28 55 28 55 50 50

24 45 u; 24 45 Ul (f) t-- (f) t--a_ 20 40 0 � 20 40 0 :>: z z

35 = 35 = Cl 1 6 Cl 1 6 w 30 Cl w 30 Cl w w w w a_ 25 � a. 25 � (f) 1 2 (f) 1 2 (f) Ul Cl 20 Cl

Cl 20 Cl z z

3 8 1 5 :: ;: 8 1 5 :: 3 3

1 0 1 0 4 4 5 5

11! 0 11! 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

San N i c o l as I s l an d - 1 3 OCT 1 994 San N i c o l as I s l an d - 1 5 OCT 1 994

28 55 28 55 50 50

24 45 Ui 24 45 (J) (J) t- Ul t-0.. 20 40 0 0.. 20 40 0 ::E z ::E z

35 = 35 "' Cl 1 6 Cl 1 6 w 30 Cl w 30 Cl w w w w 0.. 25 g: 0.. 25 w Ul 1 2 (J) 1 2 0..

Ul (J) Cl 20

Cl Cl 20

z z Cl

3 8 1 5 � 8 1 5 z 3

3 3

1 0 4 1 0 5 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

San N i c o l as I s l an d - 1 6 NOV 1 994

28 55 50

24 45 Ui Ul t-0.. 20 40 � ::E

35 = Cl 1 6 w 30 Cl w w 0.. 25 g: (J) 1 2

Ul Cl 20

Cl z

3 8 1 5 � 3

4 1 0 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR

San N i c o l as I s l an d - 4 JAN 1 995 San N i co l as I s l an d - 8 APR 1 995

28 55 28 55 50 50

24 45 u; 24 45 u; (j) ..... (j) ..... a. 20 40 0 � 20 40 0

X: z z

35 = 35 = 0 1 6 0 1 6 w 30 0 w 30 5 w w w a. 25 � a. 25 � (j) 1 2 (j) 1 2 r/l (j) 0 20 0

0 20 z z 0

8 1 5 � ;; 8 1 5 z ::. ;; ::. 1 0 1 0

4 4 5 5

0 0 0 0 0 2 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

San N i c o l as I s l an d - 9 APR 1 995 Sa.n N i c o l as I s l an d - 1 8 APR 1 995

28 55 28 55 50 50

24 45 u; 24 45 Ul (j) ..... (j) ..... a. 20 40 0 a. 20 40 0

X: z X: z

35 = 35 "' 0 1 6 3 0 0 0 1 6 30 0 w w w w w w a. 25 � a. 25 w (j) 1 2 (j) 1 2 a.

Ul (j) 0 20 0

0 20 0 z z

::. 8 1 5 ::: ::. 8 1 5 ::: ::. ::. 1 0 1 0

4 4 5 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

San N i c o l as I s l an d - 1 9 APR 1 995 San N i co l as I s l and - 20 APR 1 995

28 55 28 55 50 50

24 45 u; 24 45 u; (j) ..... (j) ..... a. 20 40 0 � 20 40 0

:>:: z z

35 = 35 = 0 1 6 3 0 0 0 1 6 3 0 0 w w w w w w a. 25 � a. 25 � (j) 1 2 (j) 1 2 (j) Ul 0 20

0 0 20 0 z z

::. 8 1 5 ::: ::. 8 1 5 ::: ::. ::. 1 0 1 0

4 4 5 5

0 0 0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR HOUR

San N i c o l as I s l and - 1 1 JUL 1 995 San N i c o l as I s l an d - 1 2 JUL 1 995

28 55 28 55 50 50

24 45 Ui 24 45 <f) (f) >- <f) >-a. 20 40 0 :i: 20 40 0 :.:: z z

35 "" 35 "" 0 1 6 Cl 1 6 w 30 Cl w 30 Cl w w w w a. 25 � a. 25 � (f) 1 2 <f) 1 2 <f) <f) Cl 20

Cl Cl 20

z z Cl

;: 8 1 5 z ;: 8 1 5 z

"' "' 4 1 0 4 1 0

5 5 0 0 0

0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24 HOUR HOUR

San N i co l as I s l an d - 2 8 JUL 1 995

28 55 50

24 45 Ui (f) >-a. 20 40 � :.:: 35 =

Cl 1 6 w 30 8 w a. 25 � (f) 1 2 (/) Cl 20 Cl z :3 8 1 5 � "'

4 1 0 5

0 0 0 2 4 6 8 1 0 1 2 1 4 1 6 1 8 20 22 24

HOUR

APPENDIX B: Monthly Wind Speed Records

20

18

16

� 14 E - 12 'tS G) 8.. 10 U) 'tS 8 c ;: 6

4

2

0 1 Aug 94

SNI , 30.5 m (1 00 ft), FI C Tower, Daily Averages

- · .

I I I I 6 Aug 94 1 1 Aug 94

-

I I 16 Aug 94

Date

I

I 21 Aug 94 26 Aug 94

Figure B1: Wind Speed Record, August 1 994

-

20

18

16

..!!! 14 E :; 12 G) 8.. 10

tJ) 'tS 8 c � 6

4

2

0 1 Sep 94


I I 6 Sep 94 1 1 Sep 94

• I •

I I I I 16 Sep 94

Date

I -

I l l 21 Sep 94 26 Sep 94

Figure B2: Wind Speed Record, September 1994

35

30 _ :!

25 g .:.:: -20 -g

G) a.

15 U) 'tS c

10 ;: 5

0 31 Aug 94

35

30 _ :!

25 g .:.:: -

5

0

20

18

16

- 14 en -E 12 -"CJ 10 u u a. 8 (I) "CJ 6 c � 4

2

0 1 Oct 94

SNI , 30.5 m (1 00 ft), Fl C Tower, Daily Averages

6 Oct 94 1 1 Oct 94

• -

I l l 16 Oct 94

Date

• •

I I 21 Oct 94 26 Oct 94

Figure B3: Wind Speed Record, October 1 994

20

18

16

� 14 E - 12 "CJ u 8. 10 (I) "CJ 8 c � 6

4

2

0 1 Nov94

SNI , 30 .5 m ( 1 00 ft), F I C Tower, Daily Averages

•

I 6 Nov 94 1 1 Nov94 16 Nov 94

Date

21 Nov 94 26 Nov94

Figure B4: Wind Speed Record, November 1994

I

35

30 _ :! 0

25 c .:.: -20 -g

u a.

15 (I) "CJ c

10 � 5

J 0 31 Oct 94

35

30 i' 0 25 c .:.: -

20 "CJ u u a.

15 (I) "CJ c

10 � 5

0

20

18

16

� 14 E :; 12 Cl) g_ 10

(I) "tJ 8 c � 6

4

2

0

I I

1 Dec 94 I

SNI , 30 .5 m (1 00 ft), F I C Tower, Daily Averages

6 Dec 94 1 1 Dec 94 16 Dec 94 Da1e

• I

I I 21 Dec 94 26 Dec 94

Figure B5: Wind Speed Record, December 1 994

20

18

16

� 14 E :; 12 Cl) g_ 10

(I) "tJ 8 c � 6

4

2

0 I 1 Jan 95

SNI , 30.5 m (1 00 ft), F I C Tower, Daily Averages

I •

I I I I 6 Jan 95 1 1 Jan 95 16 Jan 95 21 Jan 95 26 Jan 95

Da1e

Figure B6: Wind Speed Record, January 1995

35

30 -s 0

25 .,; -

"tJ 20 ::

a. 15 U)

"tJ c

10 � 5

I 0 31 Dec 94

35

30 -s 0

25 c .:.: -

20 "tJ Cl) Cl) a.

15 U) "tJ c

10 � 5

0 31 Jan 95

20

18

16

� 14 E ; 12 CP !. 10

tn , 8 c 3: 6

4

2

0

1 Feb 95

•

I

SNI , 30.5 m (1 00 ft), F IC Tower, Daily Averages

I

I 6 Feb 95 1 1 Feb 95

• •

IJ Jl_ll 16 Feb 95 21 Feb 95 26 Feb 95

Date

Figure B7: Wind Speed Record, February 1995

20

18

16

� 14 E ; 12 CP !. 10

tn , 8 c 3: 6

4

2

0

1 Mar 95


•

I 6 Mar 95 1 1 Mar 95 16 Mar 95

Date

21 Mar 95 26 Mar 95

Figure BS: Wind Speed Record, March 1995

35

30 -

l! 0 25 c .:.::

-

20 , CP CP a.

15 tn , c

1 0 3: 5

0

35

30 i' 0 25 c

.:.:: -

20 l CP a.

15 tn , c

10 3: 5

0

31 Mar 95

-en

20

18

16

e 14 -

'tJ 12 G) G) C. 10 fl) 'tJ 8 c � 6

4

2

0 1 Apr 95

SNI , 30.5 m ( 1 00 ft), F I C Tower, Daily Averages

-

I 6 Apr 95 1 1 Apr 95 16 Apr 95

Date

21 Apr 95 26 Apr 95

35

30

25

20

15

10

5

0

Figure B9: Wind Speed Record, April 1995

20

18

16

:? 14 E ;- 12 G) &_ 10 fl) 'tJ 8 c � 6

4

2

0 1 May 95


6 May 95

35

30

25

20

15

10

I 5

I 0 1 1 May 95 16 May 95 21 May 95 26 May 95 31 May 95

Date

Figure BlO: Wind Speed Record, May 1995

-

!! 0 c

.:.:: -

'tJ G) G) a. fl) 'tJ c �

-

!! 0 c

.:.:: -

'tJ G) G) a. fl) 'tJ c �

20

18

16

� 14 E :; 12 u 8.. 10

(I) "CJ 8 c

� 6

4

2

0

I I

1 Jun 95

SNI , 30.5 m (1 00 ft), F l C Tower, Daily Averages

· -------I I I I I I

6 Jun 95 1 1 Jun 95 16 Jun 95 21 Jun 95 26 Jun 95

Da1e

Figure Btl: Wind Speed Record, June 1995

20

18

16

� 14 E :; 12 u 8.. 10

(I) "CJ 8 c

� 6

4

2

0 1 Jul 95


· · - •

I l l I I 6 Jul 95 1 1 Jul 95 16 Jul 95 21 Jul 95 26 Jul 95

Da1e

Figure B12: Wind Speed Record, July 1995

35

30 -!!! 0

25 c ..:.:: -

20 "CJ u u a.

15 (I) "CJ c

10 � 5

0

35

30 -

!!! 0 25 c

..:.:: -

20 "CJ u u a.

15 (I) "CJ c

10 � 5

0 31 Jul 95

APPENDIX C: Monthly Average Diurnal Wind Speeds

20

1 8

1 6

- 1 4 tn -E 12 -

"C G)

1 0 G) c.

en 8 "C c:

� 6

4

2

0 0000

San Nicolas Island, 30 .5 m ( 100ft), F IC Tower Hourly Averag es

0400 0800 1 200

Time of Day

1 600 2000

Figure C1: Diurnal Wind Speed, August 1994

20

1 8

1 6

en 1 4 -E 12 -

"C G) 1 0 G) c.

en 8 "C c:

� 6

4

2

0 0000

San Nicolas Island, 30. 5 m ( 100ft), FIC Tower Hourly Averag es

0400 0800 1 200

Time of Day

1 600 2000,

Figure C2: Diurnal Wind Speed, September 1994

35

30 en ...

25 0 c:

..:.:: -

20 "C G) ' G) c.

1 5 en

"C c:

10 � 5

0

35

30 en ...

25 0 c:

..:.:: ' -

20 "C G) G) c.

15 en

"C c:

10 � 5

0

i

20

18

16

� 14

§. 12 't:l Cl) 10 Cl) c.

CJ) 8

't:l c

3: 6

4

2

0 0000

San Nicolas Island, 30.5 m (100ft), FIC Tower Hourly Averages

0400 0800 1200

Time of Day

1600 2000

Figure C3: Diurnal Wind Speed, October 1994

20

18

16

en 14 -E 12 -

't:l Cl)

10 Cl) c.

CJ) 8

't:l c

3: 6

4

2

0 0000

San Nicolas Island, 30.5 m (100ft), F IC Tower Hourly Averages

0400 0800 1200

Time of Day

1600 2000

Figure C4: Diurnal Wind Speed, November 1994

35

30 i' 0

25 c

:::.. 't:l I 20 Cl) : Cl) c.

CJ) 15 't:l

c

10 3: 5

0

35

30 en -

25 0 c

� -20

't:l Cl) Cl) c.

15 CJ)

't:l c

10 3: 5

0

-� E -

'0 Q) Q) c.

en

'0 c

�

20

1 8

1 6

1 4

1 2

1 0

8

6

4

2

0

San Nicolas Island, 30.5 m (100ft), FIG Tower Hourly Averages

0000 0400 0800 1 200

Time of Day

1 600 2000

Figure C5: Diurnal Wind Speed, December 1994

20

1 8

1 6

(i) 1 4 -E 1 2 -

'0 Q)

1 0 Q) c.

en 8

'0 c

� 6

4

2

0 0000

San Nicolas Island, 30.5 m (100ft), F IG Tower Hourly Averages

0400 0800 1200

Time of Day

1 600

Figure C6: Diurnal Wind Speed, January 1995

2000

35

30 i 0

25 c .:.:: -

20 '0 Q) Q) c.

1 5 en

'0 c

1 0 � 5

0

35

30 (i) -

25 0 c

.:.:: -

20 "'0 I Q) Q) ! c.

en I 1 5

'0 c

10 � 5

0

San Nicolas Island, 30.5 m ( 100ft), FIC Tower Hourly Averages

20,---------------------------------------------------------.

1 8+---------------------------------------------------------+

16+-------------------------------------------------------�

� 14+-------------------------------------------------------� � 12+-------------------------------------------------------� "0 m 10+-------------------------------------------------------� c..

(IJ

"0 s::

� 8+-------------------------------------------------------�

6+-------------------------------------------------------�

2��--��--��--��--�.-��--��.-��--��--��

o��LU��ua��.U��LW�.W��LU�� 0000 0400 0800 1 200

Time of Day

1 600 2000

Figure C7: Diurnal Wind Speed, February 1995

20

1 8 1 6

'ii) 14 -E 12 -

"0 Q) 10 Q) c..

(IJ 8

"0 s::

� 6

4 2

0 0000

San Nicolas Island, 30.5 m (100ft), FI C Tower Hourly Averages

0400 0800 1 200

Time of Day

1600

Figure CS: Diurnal Wind Speed, March 1995

2000

35

30 -1/j -0

25 s:: � -"0

20 Q) Q) c..

(IJ

1 5 "0 s::

� ! 1 0

5

0

35

30 'ii) -0

25 s:: � -"0

20 Q) Q) ' c..

(IJ 1 5 "0

s::

� 1 0

5

0

20

1 8

1 6

-1 4 tn -

.§. 1 2 "0 Cl)

1 0 Cl) Q.

U) 8

"0 c:

� 6

4

2

0

0000

San Nicolas Island, 30.5 m (100ft), FIC Tower Hourly Averages

0400 0800 1 200

Time of Day

1 600 2000

Figure C9: Diurnal Wind Speed, April 1995

20

1 8

1 6

-1 4 �

.§. 1 2 "0 Cl)

1 0 Cl) Q. i U)

8 "0 c:

� 6

4

2

0

0000

San Nicolas Island, 30.5 m ( 100ft), FIC Tower Hourly Averag es

0400 0800 1 200

Time of Day

1 600 2000

Figure ClO: Diurnal Wind Speed, May 1995

35

30

'ii) ...

25 0 c:

..:.:: -

20 "0 Cl) Cl) Q.

1 5 U)

"0 c:

1 0 � 5

0

35

30 'ii) ...

25 0 s::

:. 20

"0 Cl) Cl) Q.

1 5 U)

"0 s::

1 0 � 5

0

San Nicolas Island, 30. 5 m ( 100ft), F IC Tower Hourly Averag es

20,---------------------------------------------------------.

1 8+---------------------------------------------------------�

1 6+-------------------------------------------------------�

i! 1 4+-------------------------------------------------------�

� 1 2+-------------------------------------------------------� , � 1 0+----------------------------------------------=��--�--4 c.

(f)

, 1:

l i

0000 0400 0800 1 200

Time of Day

1 600 2000

Figure Cll: Diurnal Wind Speed, June 1995

San Nicolas Island, 30. 5 m ( 100ft), FIC Tower Hourly Averag es

20,---------------------------------------------------------�

1 8+----------------------------------------------------------

1 6+---------------------------------------------------------�

i! 14+---------------------------------------------------------�

� 1 2+---------------------------------------------�.---�----� , � 1 0��.---��----------------------------��--�.---�--�� c.

(f)

, 1:

3E

2��.---�4a��--��--��--��--��--��--�--��

o��w.��UL��w.�� 0000 0400 0800 1 200

Time of Day

1 600 2000

Figure C12: Diurnal Wind Speed, July 1995

35

30

(i) 25

-0 1: ..:.: -

20 , Q) Q) c.

1 5 (f)

, 1:

1 0 3E 5

0

35

30 (i) -0

25 1: :. ,

20 Q) Q) c.

(f) 1 5 ,

1:

1 0 3E 5

0

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' Timothy L. Olsen

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This report documents the wind resources on San Nicolas Island (SNI) from detailed field measurements col lected for one year and coarse historical data collected over 32 years. This report will be used by DoD/United States Navy (USN) Naval Facilities Engineering Service Center (N EFSC) as input for additional economic and feasibil ity studies for a Wind-Diesel installation for S N I .

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Documents

Wind Resource Assessment: San Nicolas Island, California2.1 San Nicolas Island San Nicolas Island (SNI) is the site of the Navy Range Instrumentation Test Site which relies on an isolated