Figure 1. Period of record of boundary conditions, Encina Power Plant, 1980-2000.5: a) plant flow rateb) daily mean salinity, c) daily mean temperature, and d) daily high and low water elevations.

Dai

ly M

axim

umW

ater

Ele

vatio

n,ft

NG

VD

a.

b.

c.

↑↓

1980 1984 1988 1992 1996 2000Year

-5-4-3-2-1012345

31.0

32.0

33.0

34.0

Dai

ly M

ean

Salin

ity, p

pt

10

15

20

25

Dai

ly M

ean

Tem

pera

ture

, o C

MSL

Dai

ly M

inim

umW

ater

Ele

vatio

n,ft

NG

VD

20.5 year mean = 17.6 oC

20.5 year average = 33.52 ppt

mean = 2.97 ft

mean = -2.33 ft

200400600800

1000P

lant

Flo

w

Rat

e, m

gd

d.

Q = 725 mgd20.5 year average = 550 mgd

S = 33.51 ppt

T = 25.0 o C

min = -0.74 ft NGVDh

worst case day17 Aug 92

mean day23 May 94

T = 17.6 o C

min = -1.96 ft NGVDh

S = 33.52 ppt

Q = 576 mgd