Report Generated 05/02/2024 at 1321

Page Description

2 - Mean Daily Water Temperature, Release Flow Rates and Air Temperatures with Monthly Averages

3 - Sacramento River Mean Daily Water Temperature Plot

4 - Trinity River Mean Daily Water Temperature Plot

5 - Shasta Lake Isothermobaths & Cold Water Pool Statistics

14 - Trinity Lake Isothermobaths & Cold Water Pool Statistics

23 - Whiskeytown Lake Isothermobaths & Cold Water Pool Statistics

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

March - 2024
Shasta 

Generation 

Spring 

Creek P.P.

Keswick 

Total BSF RDB

Feb 14954 1679 19871 48.8 50.2

03/01 50.6 48.4 49.2 48.8 48.8 49.0 49.3 49.5 49.7 48.5 47.1 44.8 45.6 18599 1764 19383 49.5 49.5 49.9

03/02 50.7 48.3 49.2 48.6 48.5 48.6 48.4 48.5 48.6 47.1 46.8 42.7 43.2 15904 1721 8449 42.5 43.4 43.7

03/03 50.7 48.4 49.0 48.5 48.4 48.6 48.1 47.7 47.6 46.8 46.8 42.6 42.8 14828 1745 15339 44.0 41.6 43.5

03/04 50.7 48.4 48.8 48.5 48.4 48.5 48.1 47.8 47.8 46.9 46.8 43.2 43.5 14611 1739 15260 42.5 42.2 43.0

03/05 50.6 48.5 48.8 48.6 48.6 48.8 48.4 48.4 48.4 48.4 46.7 43.6 44.2 12895 1747 15103 50.0 50.8 51.7

03/06 50.1 48.6 48.8 48.8 49.0 49.1 49.4 49.2 49.4 49.9 46.8 44.7 45.5 13941 1723 15176 54.5 51.5 53.1

03/07 51.1 48.9 48.7 48.9 49.1 49.3 49.7 50.0 50.2 49.2 46.8 45.3 46.2 10589 1365 15151 55.5 50.6 52.7

03/08 51.1 48.8 48.7 49.2 49.4 49.6 49.9 50.1 50.4 48.9 46.6 45.2 46.2 13604 1754 15252 57.5 50.4 53.1

03/09 51.3 48.7 48.7 49.1 49.3 49.5 49.9 50.1 50.4 48.8 46.6 45.4 46.3 13793 1754 15199 52.0 48.8 51.1

03/10 50.2 48.6 48.6 48.9 49.0 49.2 49.7 50.0 50.3 48.7 46.7 45.1 46.1 13360 1615 14940 53.5 50.4 50.9

03/11 51.2 48.6 48.5 48.9 49.0 49.1 49.5 49.7 49.9 48.7 46.7 44.8 45.5 14270 1731 15224 51.5 48.5 50.0

03/12 50.4 48.5 48.6 48.9 49.2 49.3 49.9 50.1 50.3 49.5 47.0 45.7 46.4 13669 1659 15100 52.5 51.0 51.8

03/13 50.4 48.6 48.7 48.8 49.1 49.3 50.0 50.4 50.8 49.3 47.3 45.7 46.7 14265 1747 15177 55.0 50.8 52.8

03/14 50.5 49.0 48.7 49.1 49.4 49.6 50.2 50.5 50.8 49.3 47.7 46.2 47.1 12012 1734 13079 62.0 57.7 58.7

03/15 50.5 48.7 48.9 49.3 49.6 49.9 50.6 50.9 51.2 49.8 48.0 46.2 47.1 10668 1721 11353 66.5 62.0 60.3

03/16 50.9 49.2 49.0 49.6 49.9 50.3 51.1 51.5 52.0 50.1 48.4 46.8 47.5 9453 976 9711 61.0 55.8 58.3

03/17 51.0 49.2 49.0 49.9 50.3 50.8 51.7 52.4 52.9 50.5 48.8 47.6 48.3 7432 471 8205 63.5 58.1 59.8

03/18 50.9 49.3 48.8 49.9 50.4 50.9 52.3 53.2 53.9 50.7 49.2 48.5 49.0 6525 461 7090 63.0 58.2 59.8

03/19 51.0 ? 49.5 48.7 50.1 50.7 ? 51.3 52.9 53.9 54.6 51.1 49.8 49.4 49.7 5555 1095 6132 62.0 58.3 61.1

03/20 51.0 49.1 48.8 50.2 50.7 51.3 53.5 54.8 55.5 51.1 50.1 49.9 50.0 5068 986 5848 62.0 59.0 59.8

03/21 51.6 49.2 48.1 50.3 50.9 51.5 53.3 54.4 55.3 49.6 50.5 49.9 50.2 4518 113 5679 59.0 57.6 57.9

03/22 50.6 49.0 48.6 50.2 50.5 50.9 52.7 54.2 54.9 49.3 50.5 48.9 49.3 5297 327 5403 60.0 54.2 55.1

03/23 50.1 48.7 48.6 50.0 50.9 50.6 50.8 52.2 52.9 49.2 50.3 47.3 47.2 4864 399 5339 53.0 49.8 51.7

03/24 50.4 48.8 48.9 49.7 50.7 51.0 50.8 50.7 51.2 49.5 50.3 47.6 47.6 4271 287 5091 56.5 50.6 54.3

03/25 50.5 49.0 48.4 49.6 50.3 50.8 52.3 52.9 53.5 49.6 50.4 48.8 48.8 4368 125 4879 55.0 52.0 53.8

03/26 50.7 49.1 48.6 49.9 50.5 50.9 52.4 53.2 54.0 49.6 50.4 48.8 49.2 3569 199 4622 54.5 52.5 55.9

03/27 50.5 48.9 47.0 50.2 50.4 50.5 52.1 53.1 53.5 49.4 50.4 48.3 48.5 4557 44 4445 54.5 51.7 53.1

03/28 50.5 48.9 49.0 50.1 50.8 50.9 50.9 51.0 51.9 49.6 50.3 47.4 47.3 3024 546 4338 54.5 51.5 53.5

03/29 49.4 49.0 48.9 49.9 50.2 50.5 51.0 51.2 51.3 49.2 50.3 46.4 46.9 3598 393 4039 49.5 46.5 47.2

03/30 49.9 49.3 47.0 50.0 50.6 50.8 51.4 51.0 51.2 49.7 50.4 46.8 46.8 3965 44 4026 55.0 49.9 52.0

03/31 51.2 49.4 47.0 49.8 50.7 51.3 52.5 52.6 53.1 50.2 50.4 48.4 48.6 3899 44 4031 55.5 52.0 54.0

Mar 9436 1066 10134 55.1 51.8 53.3

286971 32029 308063

Legend Notes 569195 63528 611030

? = 1-9 hours of data missing (Average includes estimations) 1 Temperatures are weighted averages based on individual penstock flow and temperature

! = 10 or more hours of data missing (Average not calculated) Highlighted cells in the TCD column indicate a TCD change was made on that day

# = Station out of service 2 Current Clear Creek River control point (see page 3 for more details)

↑ = Record high air temperature

↓ = Record low air temperature

 = Monthly Averages

Total AF

50.0 49.3

RDB

51.5 49.3

LWS

48.5 46.5

DGC

45.4

Mean Daily Air 

Temperatures (°F)

RDD

51.8

Total CFS

47.0

Mean Daily 

Release (CFS)

NFH

46.2

Mean Daily Water Temperatures (°F)

46.5

BND IGO

49.4

BSF

50.0 51.1

48.8 49.3 49.3 49.4 49.8 49.8

D

A

T

E

50.4 49.0

CCR2 TCD SAC 1 SHD SPP1 KWK

50.6 48.8 48.6 49.8 50.7

2
Code Body of Water Location1 CDEC Link River Point Temp. (°F) Begin Date End Date

TCD N/A Shasta Power Plant N/A Sacramento CCR 53.5 05/14/2023 TBD

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here

SPP N/A Spring Creek Power Plant N/A

KWK Sacramento River 0.8 miles downstream of Keswick Dam Click Here

SAC Sacramento River 4.8 miles downstream of Keswick Dam Click Here

CCR Sacramento River 9.7 miles downstream of Keswick Dam Click Here

BSF Sacramento River 25 miles downstream of Keswick Dam Click Here

JLF Sacramento River 34 miles downstream of Keswick Dam Click Here

BND Sacramento River 41 miles downstream of Keswick Dam Click Here Notes

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here 1 Distances are approximate

Station Details Water Right Temperature Control Points

30

36

42

48

54

60

66

72

78

84

90

40

42

44

46

48

50

52

54

56

58

60

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Air Temperature (°F)

Water Temperature (°F)

Sacramento River Mean Daily Temperatures

Redding Air (Observed and Forecasted) TCD KWK SAC CCR BSF

3
Code Body of Water Location1 CDEC Link River Point Temp. (°F) Begin Date End Date

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here

DGC Trinity River 19 miles downstream of Lewiston Dam Click Here

NFH Trinity River 38 miles downstream of Lewiston Dam Click Here

 Notes

1 Distances are approximate

Station Details Water Right Temperature Control Points

30

36

42

48

54

60

66

72

78

84

90

27

32

37

42

47

52

57

62

67

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Air Temperature (°F)

Water Temperature (°F)

Trinity River Mean Daily Temperatures

Redding Air (Observed and Forecasted) LWS DGC NFH

4
Updated 05/02/2024 at 1303

Latest Profile Date: 03/21/2024

Page Description

6 - Shasta Lake Isothermobaths Plot

7 - Shasta Lake Cold Water Pool Volume ≤52°F

8 - Shasta Lake Cold Water Pool Volume ≤50°F

9 - Shasta Lake Cold Water Pool Volume ≤48°F

10 - Shasta Lake Cold Water Pool Volume ≤52°F - Percent Exceedances

11 - Shasta Lake Cold Water Pool Volume ≤50°F - Percent Exceedances

12 - Shasta Lake Cold Water Pool Volume ≤48°F - Percent Exceedances

13 - Shasta Lake Cold Water Pool Comparison by Year

Shasta Lake Isothermobaths & Cold Water Pool Statistics

2024

5
6

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Isothermobaths Plot - 2024

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
7

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤52°F

Avg (1998-2023) 2014 2015 2016 2019 2022 2023 2024
8

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤50°F

Avg (1998-2023) 2014 2015 2016 2019 2022 2023 2024
9

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤48°F

Avg (1998-2023) 2014 2015 2016 2019 2022 2023 2024
10

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤52°F - Percent Exceedances (1998-2023)

2024 95 90 75 50 25 10 5
11

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤50°F - Percent Exceedances (1998-2023)

2024 95 90 75 50 25 10 5
12

0

500

1000

1500

2000

2500

3000

3500

4000

4500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Shasta Lake Cold Water Pool Volume ≤48°F - Percent Exceedances (1998-2023)

2024 95 90 75 50 25 10 5
Mar-21

2024 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

1998 -137 160 -192 163 -4 5 -14 8

1999 1 282 1494 592 0 9 111 40

2000 -232 -136 -138 169 -7 -5 -10 7

2001 -400 -120 1056 525 -11 -4 79 31

2002 410 641 535 529 11 21 40 24

2003 -329 -579 158 356 -9 -19 12 13

2004 -192 290 -87 190 -5 10 -7 7

2005 -814 -757 -19 530 -23 -25 -1 17

2006 198 765 1351 771 6 25 101 44

2007 -146 305 357 269 -4 10 27 14

2008 -694 -728 289 570 -19 -24 22 22

2009 -1310 -886 573 923 -37 -30 43 36

2010 121 8 574 234 3 0 43 15

2011 332 899 1044 758 9 30 78 39

2012 -50 -3 -39 31 -1 0 -3 1

2013 -149 -146 425 240 -4 -5 32 14

2014 -1675 -1866 -529 1357 -47 -62 -39 50

2015 -1642 -1555 -700 1299 -46 -52 -52 50

2016 31 510 43 195 1 17 3 7

2017 128 -7 1358 498 4 0 101 35

2018 46 -653 -407 369 1 -22 -30 18

2019 345 284 608 412 10 9 45 21

2020 -15 -995 -226 412 0 -33 -17 17

2021 -1391 -925 -455 924 -39 -31 -34 35

2022 -1982 -1619 -393 1331 -56 -54 -29 46

2023 -223 344 2002 856 -6 11 149 56

2024 0 0 0 0 0 0 0 0

∆ TAF % ∆

Shasta Lake Cold Water Pool Comparison by Year (for Specified Date)

Historical - Current (Historical - Current) / Current

13
Updated 05/02/2024 at 1307

Latest Profile Date: 03/13/2024

Page Description

15 - Trinity Lake Isothermobaths Plot

16 - Trinity Lake Cold Water Pool Volume ≤52°F

17 - Trinity Lake Cold Water Pool Volume ≤50°F

18 - Trinity Lake Cold Water Pool Volume ≤48°F

19 - Trinity Lake Cold Water Pool Volume ≤52°F - Percent Exceedances

20 - Trinity Lake Cold Water Pool Volume ≤50°F - Percent Exceedances

21 - Trinity Lake Cold Water Pool Volume ≤48°F - Percent Exceedances

22 - Trinity Lake Cold Water Pool Comparison by Year

Trinity Lake Isothermobaths & Cold Water Pool Statistics

2024

14
15

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Isothermobaths Plot - 2024

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
16

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤52°F

Avg (2000-2023) 2014 2015 2016 2019 2022 2023 2024
17

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤50°F

Avg (2000-2023) 2014 2015 2016 2019 2022 2023 2024
18

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤48°F

Avg (2000-2023) 2014 2015 2016 2019 2022 2023 2024
19

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤52°F - Percent Exceedances (2000-2023)

2024 95 90 75 50 25 10 5
20

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤50°F - Percent Exceedances (2000-2023)

2024 95 90 75 50 25 10 5
21

0

250

500

750

1000

1250

1500

1750

2000

2250

2500

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Trinity Lake Cold Water Pool Volume ≤48°F - Percent Exceedances (2000-2023)

2024 95 90 75 50 25 10 5
Mar-13

2024 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

2000 267 172 -106 182 15 9 -6 10

2001 -157 -183 -221 187 -9 -10 -12 10

2002 -48 -48 -101 66 -3 -3 -5 4

2003 142 128 -166 146 8 7 -9 8

2004 210 179 147 179 11 10 8 10

2005 -113 -368 -502 328 -6 -20 -27 18

2006 304 304 157 255 17 17 9 14

2007 102 102 -209 138 6 6 -11 7

2008 -311 -311 -311 311 -17 -17 -17 17

2009 -723 -723 -723 723 -39 -39 -39 39

2010 -614 -616 -624 618 -33 -34 -34 34

2011 135 135 74 115 7 7 4 6

2012 118 103 95 105 6 6 5 6

2013 172 172 6 117 9 9 0 6

2014 -580 -580 -909 690 -32 -32 -49 38

2015 -685 -829 -927 814 -37 -45 -50 44

2016 -746 -746 -763 751 -41 -41 -42 41

2017 118 118 24 87 6 6 1 5

2018 -29 -29 -29 29 -2 -2 -2 2

2019 -22 -22 -22 22 -1 -1 -1 1

2020 192 192 -186 190 10 10 -10 10

2021 -559 -559 -559 559 -30 -30 -30 30

2022 -1077 -1098 -1126 1100 -59 -60 -61 60

2023 -986 -986 -986 986 -54 -54 -54 54

2024 0 0 0 0 0 0 0 0

Trinity Cold Water Pool Comparison by Year (for Specified Date)

∆ TAF % ∆

Historical - Current (Historical - Current) / Current

22
Updated 05/02/2024 at 1318

Latest Profile Date: 03/14/2024

Page Description

24 - Whiskeytown Lake Isothermobaths Plot

25 - Whiskeytown Lake Cold Water Pool Volume ≤60°F

26 - Whiskeytown Lake Cold Water Pool Volume ≤58°F

27 - Whiskeytown Lake Cold Water Pool Volume ≤56°F

28 - Whiskeytown Lake Cold Water Pool Volume ≤60°F - Percent Exceedances

29 - Whiskeytown Lake Cold Water Pool Volume ≤58°F - Percent Exceedances

30 - Whiskeytown Lake Cold Water Pool Volume ≤56°F - Percent Exceedances

31 - Whiskeytown Lake Cold Water Pool Comparison by Year

Whiskeytown Lake Isothermobaths & Cold Water Pool Statistics

2024

23
24

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Isothermobaths Plot - 2024

<46 46-48 48-50 50-52 52-54 54-56 56-58 58-60

60-62 62-64 64-66 66-68 68-70 >70 Storage
25

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤60°F

Avg (2000-2023) 2014 2015 2016 2019 2022 2023 2024
26

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤58°F

Avg (2000-2023) 2014 2015 2016 2019 2022 2023 2024
27

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤56°F

Avg (2000-2023) 2014 2015 2016 2019 2022 2023 2024
28

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤60°F - Percent Exceedances (2000-2023)

2024 95 90 75 50 25 10 5
29

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤58°F - Percent Exceedances (2000-2023)

2024 95 90 75 50 25 10 5
30

0

50

100

150

200

250

300

01/01 02/01 03/01 04/01 05/01 06/01 07/01 08/01 09/01 10/01 11/01 12/01

Volume (TAF)

Whiskeytown Lake Cold Water Pool Volume ≤56°F - Percent Exceedances (2000-2023)

2024 95 90 75 50 25 10 5
Mar-14

2024 ≤60° ≤58° ≤56° Abs. Avg. ≤60° ≤58° ≤56° Abs. Avg.

2000 -16.6 -16.6 -16.6 16.6 -7.5 -7.5 -7.5 7.5

2001 -9.4 -12.6 -21.4 14.5 -4.2 -5.7 -9.7 6.5

2002 -16.1 -16.1 -16.1 16.1 -7.3 -7.3 -7.3 7.3

2003 -14.5 -14.5 -14.5 14.5 -6.6 -6.6 -6.6 6.6

2004 -13.2 -17.7 -25.0 18.6 -6.0 -8.0 -11.3 8.4

2005 -13.5 -13.5 -13.5 13.5 -6.1 -6.1 -6.1 6.1

2006 -15.4 -15.4 -15.4 15.4 -6.9 -6.9 -6.9 6.9

2007 -13.9 -13.9 -15.8 14.5 -6.3 -6.3 -7.1 6.6

2008 -10.6 -10.6 -10.6 10.6 -4.8 -4.8 -4.8 4.8

2009 -8.8 -8.8 -8.8 8.8 -4.0 -4.0 -4.0 4.0

2010 -9.6 -9.6 -9.6 9.6 -4.4 -4.4 -4.4 4.4

2011 -8.8 -8.8 -8.8 8.8 -4.0 -4.0 -4.0 4.0

2012 -40.9 -43.4 -48.3 44.2 -18.5 -19.6 -21.8 20.0

2013 -15.9 -15.9 -16.3 16.0 -7.2 -7.2 -7.4 7.2

2014 -8.9 -8.9 -9.5 9.1 -4.0 -4.0 -4.3 4.1

2015 -15.0 -15.0 -15.0 15.0 -6.8 -6.8 -6.8 6.8

2016 19.2 19.2 19.2 19.2 8.7 8.7 8.7 8.7

2017 -12.3 -12.3 -12.3 12.3 -5.6 -5.6 -5.6 5.6

2018 -14.7 -14.7 -14.7 14.7 -6.6 -6.6 -6.6 6.6

2019 4.0 4.0 4.0 4.0 1.8 1.8 1.8 1.8

2020 -14.7 -14.7 -18.5 15.9 -6.6 -6.6 -8.4 7.2

2021 -14.2 -14.2 -14.2 14.2 -6.4 -6.4 -6.4 6.4

2022 -10.3 -10.3 -10.3 10.3 -4.7 -4.7 -4.7 4.7

2023 1.7 1.7 1.7 1.7 0.8 0.8 0.8 0.8

2024 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

∆ TAF % ∆

Whiskeytown Cold Water Pool Comparison by Year (for Specified Date)

Historical - Current (Historical - Current) / Current

31