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NATIONAL WEATHER FORECASTING AND CLIMATE RESEARCH CENTRE,
BILL CLINTON DRIVE, NNAMDI AZIKIWE INTERNATIONAL
AIRPORT, P.M.B. 615, GARKI, ABUJA, NIGERIA
Agrometeorological Bulletin No.17, Dekad 2, June (11 –20) 2017 ISSN: 2315-9790
Summary The agrometeorological bulletin for the 2nd dekad of June, 2017 is presented in this edition. Significant rainfall
amount was received in most parts of the country, the highest rainfall amount was recorded in Awka
(441.2mm). Rainfall distribution showed a wide distribution of 1-10 rain-days across the country. Most parts of
the country experienced above normal soil moisture conditions while, some places in and around Dutse,
Kaduna, Nguru, Sokoto had below normal soil moisture conditions. Sokoto recorded the highest mean
maximum temperature with a value of 36.70C across the country, while the mean minimum temperature
across the country was observed at Jos (17.40C). The maximum temperature anomaly showed that most parts
of the country had colder than-normal temperature anomalies except Asaba that had below normal
temperature anomalies.The northward movement of (ITD) is expected to continue with mean position of
18.00N (well above the country). Land preparation and planting for rain fed agriculture are expected to
continue across some parts of the northern states. Farmers should consult NiMet SRP for proper guidance
especially the far North where the onset of rains are yet to be established.
1.0 Rainfall Pattern This section highlights the observed measurement
of rainfall amount, rain-day, available soil moisture
and their departures from 30-year average for the
2nd dekad of June, 2017.
1.1 Rainfall Amount
Figure 1: Rainfall Amount (mm)
The observed rainfall amount recorded for the 2nd
dekad of June, 2017 is shown in figure 1. Heavy rainfall
were reported in most parts of the southern and north
central states. Thus, the southern states recorded
rainfall amounts in places like Awka as the highest
(441.2mm) followed by Warri (305.1mm), Ondo
(280.5mm), Asaba (271.8mm), Enugu (234.4mm) Ijebu-
Ode (203.6mm) and Ikeja (201.5mm). The North
central states recorded significant rainfall amount in
some places like Ilorin, Lafia, Minna, Jos, Lokoja,
Potiskum recorded rainfall value of 260mm, 186.6mm,
136.2mm, 128.3mm, 128.2mm and 89.1mm
respectively. Farmers across the northern zones are
advised to consult NiMet Seasonal Rainfall Predictions
(SRP) for proper growing season, planting dates.
1.2 Rainfall Departure.
Figure 2 shows the rainfall departure during the 2nd
dekad of June, 2017. It revealed that the departure of
rainfall from normal was above normal to normal in
most parts of the country and below normal in Bidda,
Kaduna, Sokoto, Zaria and Benin in the South.
Figure 2: Rainfall Departure
1.3 Number of Rain Days
Figure 3: Rain- Day
Figure 3 shows the number of rain days for the dekad
under review. The distribution of rain-days revealed an
increase in number of rain-days across the country
especially the southern and central parts with values
of 1-10 rain days when compare with the preceding
dekad. Elsewhere had zero rain days during the
dekad.
2E 4E 6E 8E 10E 12E 14E
LONGITUDE
2N
4N
6N
8N
10N
12N
14N
LA
TIT
UD
E
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
RAINFALL AMOUNT
LEGEND
020
40
60
80
100
120
140
2E 4E 6E 8E 10E 12E 14E
LONGITUDE
2N
4N
6N
8N
10N
12N
14N
LA
TIT
UD
E
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CAL
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CAL
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OND
POT
SHK
SOK
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YEL
YOL
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Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CAL
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
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OND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CAL
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
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OND
POT
SHK
SOK
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YEL
YOL
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Ado
DUT
ABE
ABK
ABU
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ASAAWKBEN
BID
CAL
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
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OND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CAL
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CAL
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CAL
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
RAINFALL ANOMALY
ABOVE NORMALNORMALBELOW NORMAL
LEGEND
Normal defined by the toleranceof ±20 departure
-140
-100
-60
-20
0 20
60
100
140
2E 4E 6E 8E 10E 12E 14E
LONGITUDE
2N
4N
6N
8N
10N
12N
14N
LA
TIT
UD
E
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
NUMBER OF RAINDAYS
LEGEND
02468
NIGERIAN METEOROLOGICAL AGENCY
NIGERIAN METEOROLOGICAL AGENCY (NiMet) AGROMETEOROLOGICAL BULLETIN NO.16, DEKAD 2ND JUNE (11-20) 2017 Page 2
1.4 Soil Moisture Index
The available soil moisture conditions across the
country for the dekad under review is shown in figure
4. However, most parts of the country had above
normal soil moisture conditions while, some places in
and around Dutse, Kaduna, Nguru and Sokoto had
below normal soil moisture conditions.
Figure 4: Soil Moisture Index (SMI).
2.0 Temperature Trend This section highlights the maximum and minimum
temperature trends across the country and their
departures from 30-year average during the dekad.
2.1 Maximum Temperature Trend
The mean maximum temperature for 2nd dekad of
June, 2017 is shown in figure 5. The mean maximum
temperature decreased slightly across the country,
particularly over most parts of the northern states
when compared with the preceding dekad. The
highest maximum temperature was recorded at
Sokoto (36.70C).
Figure 5: Mean Maximum Temperature
2.2 Maximum Temperature Departure
The maximum temperature anomaly for the country is
shown in figure 6. It showed that most parts of the
country experienced colder than-normal temperature
anomalies except areas in around Asaba that had
below normal temperature anomalies.
Figure 6: Maximum Temperature Anomaly.
2.3. Minimum Temperature
Figure 7: Mean Minimum Temperature
Figure 7 shows the mean minimum temperature across
the country for 2nd dekad of June, 2017. The lowest
value was recorded at Jos (17.40C).
2.4 Minimum Temperature Departure
Figure 8: Mean Minimum Temperature Departure
The minimum temperature departure for the 2nd
dekad of June, 2017 is shown in figure 8 and it revealed
that most parts of the country experienced normal to
colder than-normal temperature anomalies except
2E 4E 6E 8E 10E 12E 14E
LONGITUDE
2N
4N
6N
8N
10N
12N
14N
LA
TIT
UD
E
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
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ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
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Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
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KAN
KAT
LAF
LOK
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MAK
MIN
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POT
SHK
SOK
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BID
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CAL
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BID
CAL
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CAL
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SHK
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BID
CAL
ENU
GOM
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OND
POT
SHK
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DUT
ABE
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BID
CAL
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GOM
GUS
IBA
IJEIKE
IKO
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ISE
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KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
SOIL MOISTURE INDEX
ABOVE NORMALNORMALBELOW NORMAL
LEGEND
Normal defined by the toleranceof ±20 departure
-140
-100
-60
-20
0 20
60
100
140
2E 4E 6E 8E 10E 12E 14E
LONGITUDE
2N
4N
6N
8N
10N
12N
14N
LA
TIT
UD
E
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
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Ado
DUT
ABE
ABK
ABU
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ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
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JOS
KAD
KAN
KAT
LAF
LOK
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MAK
MIN
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OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
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DUT
ABE
ABK
ABU
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ASAAWKBEN
BID
CAL
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GOM
GUS
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KAD
KAN
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MAK
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SHK
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CAL
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MAI
MAK
MIN
NGU
OND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
MEAN MAXIMUM TEMPERATURE
24
28
32
36
TMAX(Deg.C)
2E 4E 6E 8E 10E 12E 14E
LONGITUDE
2N
4N
6N
8N
10N
12N
14N
LA
TIT
UD
E
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
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SHK
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DUT
ABE
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CAL
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CAL
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GOM
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SHK
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ABE
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BID
CAL
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GOM
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ABE
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CAL
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SHK
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DUT
ABE
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BID
CAL
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MAK
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POT
SHK
SOK
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DUT
ABE
ABK
ABU
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BID
CAL
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GOM
GUS
IBA
IJEIKE
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ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
MEAN MMAXIMUM TEMPERATURE ANOMALY
-3.5
-2 -1.5
-1 -0.5
0 0.5
1 1.5
2
WARMERNORMALCOLDER
LEGEND
Normal defined by the toleranceof ±0.5 deg. Celsius departure
2E 4E 6E 8E 10E 12E 14E
LONGITUDE
2N
4N
6N
8N
10N
12N
14NL
AT
ITU
DE
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
ZAR
Ado
DUT
ABE
ABK
ABU
AKU
ASAAWKBEN
BID
CALEKT
ENU
GOM
GUS
IBA
IJEIKE
IKO
ILO
ISE
JOS
KAD
KAN
KAT
LAF
LOK
MAI
MAK
MIN
NGU
OGJOND
POT
SHK
SOK
UMUWAR
YEL
YOL
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DUT
MEAN MINIMUM TEMPERATURE TMIN(Deg.C)
17
21
25
2E 4E 6E 8E 10E 12E 14E
LONGITUDE
2N
4N
6N
8N
10N
12N
14N
LA
TIT
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DUT
MEAN MINIMUM TEMPERATURE ANOMALY
-3.5
-2 -1.5
-1 -0.5
0 0.5
1 1.5
2
WARMERNORMALCOLDER
LEGEND
Normal defined by the toleranceof ±0.5 deg. Celsius departure
NIGERIAN METEOROLOGICAL AGENCY (NiMet) AGROMETEOROLOGICAL BULLETIN NO.16, DEKAD 2ND JUNE (11-20) 2017 Page 3
Gusau, Yelwa, Zaria, Lokoja, Abekuta, Abakalike and
Warri that experienced colder than-normal night
temperature anomalies.
3.0 Weather/Agricultural Outlook for 3rd dekad
(10-20) of June, 2017.
3.1 Weather Outlook
The Inter-Tropical Discontinuity (ITD) is expected to
continue its north ward movement with a mean
position well above the country (17.00N).
Sunny and cloudy conditions are expected over the
northern part of the country with chances of localised
rain showers towards afternoon to evening hours.
Partly cloudy to cloudy conditions are anticipated
across the central states with some prospects of
thundery activities/localised rains. Also there are
chances of localised rain showers towards afternoon
to evening hours. Some places in the inland and
coastal cities of the South may have prospects of
localize rainfall activities.
3.2 Agricultural Activities
With recent outbreak of diseases within the north-
western states Farmers are advised to consult the state
ADP’s for proper guidance. Land preparation and
planting of rain fed agriculture are expected to
continue across some parts of the far North. Farmers
are also advised to consult NiMet SRP for better
application and farming activities.
TABLE OF AGROMETEOROLOGICAL DATA FOR THE DEKAD
S T A T I O N RAINFALL RAINDAY PET T M A X TMIN D D RADIATION
ABEOKUTA
18.1 4 39.1 32.5 24.7 211 17.2
ABAKALIKI
19.3 3 42.5 33.5 24.7 211.0 17.2
A B U J A
38.9 7 43.0 32.2 22.4 193.0 17.9
B E N I N
CAL AB AR
99.7 7 41.4 32.3 23.5 198.5 17.1
E N U G U
2 3 4 . 4 6 3 8.9 3 1 . 2 2 3.2 1 9 2 1 6 . 2
I K O M
9 8 . 1 8 3 8.3 3 1 2 3 1 9 0 . 1 1 6 . 1
I S E Y I N
79 7 38.1 27.4 22.2 176.6 14.8
J O S
136.5 9 35.4 25.8 17.4 136 16.4
K A D U N A
16.7 5 37.9 29.6 21.1 173.4 16.3
K A N O
65.8 3 44.6 33.9 25 214 18.1
K A T S I N A 40.5 1 39.3 33.8 25 214 15.7
M I N N A 47.1 3 41.9 32.3 23.0 196.8 17.3
ADO-EKITI 25.1 5 40.6 30.6 21.4 180.1 17.3
W A R R I
35.5 5 41.9 33.1 24.5 208.7 17.0
S O K O T O
53 1 47.8 36.9 26.0 234.3 18.5
Y E L W A
5 7 4 4 0.3 3 3 . 1 2 4.5 2 0 7 . 6 1 6 . 3
Y O L A
60.3 5 42.1 36.1 26.3 224.8 16.6
Note:
Rainfall (mm) PET= Potential Evapotranspiration (mm/decade)
TMAX = Maximum Temperature (OC)
TMIN = Minimum Temperature (OC) GDD= Growing Degree Day (day)
RAD = Radiation (MJ/m2/day)
Kindly send feedback to:
The Director-General/CEO,
Nigerian Meteorological Agency (NiMet),
National Weather Forecasting and Climate
Research Centre, NnamdiAzikiwe International
Airport, PMB 615 Garki, Abuja.
E-mail: [email protected]; NiMet WEB SITE: www.nimet.gov.ng