Report Generated 05/02/2024 at 1229

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

February - 2024
Shasta 

Generation 

Spring 

Creek P.P.

Keswick 

Total BSF RDB

Jan 3815 1050 5127 47.3 48.9

02/01 49.8 49.3 48.8 49.5 49.7 49.6 50.7 ? 50.9 51.0 50.7 45.9 46.2 47.1 13283 1701 14435 55.0 51.5 51.6

02/02 49.8 49.3 48.9 49.6 49.6 49.7 50.4 50.6 50.7 50.2 45.9 45.9 46.8 13912 1723 14560 48.0 47.1 48.4

02/03 50.0 49.4 49.0 49.3 49.2 49.3 49.4 49.6 49.7 48.4 45.9 44.5 45.3 14117 1726 14394 46.5 43.3 44.9

02/04 50.3 49.7 49.1 49.3 49.1 49.2 48.9 48.8 48.8 48.0 45.8 43.5 44.4 13685 1729 14658 49.0 44.0 44.8

02/05 49.7 49.1 49.1 49.7 49.6 49.8 49.8 49.1 48.9 50.1 46.3 44.4 45.1 13429 1727 14912 54.0 53.6 53.4

02/06 49.9 49.3 49.1 49.5 49.4 49.5 50.0 49.9 50.1 49.9 46.6 45.3 46.1 13717 1718 14635 49.5 48.1 50.6

02/07 50.0 49.4 49.0 49.4 49.2 49.3 49.2 49.1 49.2 48.4 46.3 44.8 45.4 13717 1718 14635 42.0 40.8 42.4

02/08 50.0 49.3 48.8 49.2 49.2 49.3 48.8 48.3 48.2 47.9 46.1 44.3 44.9 14400 1729 14732 42.5 40.0 41.7

02/09 49.9 49.2 48.7 49.3 49.2 49.4 49.3 49.1 48.9 48.0 46.1 44.2 44.7 13416 1722 15036 49.0 44.5 45.2

02/10 49.9 49.2 48.7 49.2 49.2 49.3 49.5 49.2 49.3 ? 47.9 ? 46.2 ? 44.2 ? 44.9 13570 1720 14961 53.0 48.4 49.8

02/11 49.9 49.2 48.7 49.2 49.2 49.3 49.3 49.1 49.3 ? 47.7 ? 46.2 44.2 44.8 13508 1714 14752 48.0 43.9 46.0

02/12 49.9 49.2 48.7 49.2 49.1 ? 49.3 49.3 49.1 49.2 48.0 46.3 44.5 45.1 13224 1726 14692 49.0 43.6 45.7

02/13 50.3 49.1 ? 48.6 49.2 49.2 49.3 49.5 49.4 49.5 48.6 46.4 44.8 45.5 13882 1100 14691 51.5 46.8 47.6

02/14 50.8 48.8 48.6 49.1 49.0 49.2 49.3 49.4 49.6 48.5 46.3 45.0 45.5 14018 1747 15111 50.0 48.7 50.1

02/15 50.6 48.6 48.6 48.9 49.0 49.2 49.6 49.6 49.8 49.4 46.4 45.2 45.7 12223 1728 14876 53.5 51.9 53.3

02/16 50.6 48.6 48.5 48.9 49.0 49.1 49.7 49.9 50.0 50.0 46.6 46.1 46.8 13168 1748 14865 55.5 51.6 52.6

02/17 50.8 48.7 48.5 49.0 49.1 49.2 49.6 49.8 49.9 49.8 46.6 45.9 46.8 13542 1748 15093 52.5 50.1 50.2

02/18 50.8 48.8 48.5 49.2 49.4 49.4 50.2 50.1 50.2 50.7 46.6 45.8 46.5 11832 1551 14932 53.5 51.8 52.5

02/19 50.7 48.7 48.5 49.8 50.0 49.8 50.8 50.9 51.0 51.3 46.7 46.0 46.8 12758 1743 15061 55.0 53.3 54.1

02/20 50.4 48.4 48.6 49.3 49.5 ? 49.5 50.5 51.0 51.3 51.0 46.7 46.3 47.2 16409 1713 18564 53.0 52.3 52.7

02/21 50.6 48.7 48.6 49.2 49.2 49.3 49.9 50.2 50.7 49.4 46.8 46.5 47.4 18930 1771 25083 53.5 50.4 51.1

02/22 50.8 49.0 48.6 49.4 49.4 49.5 50.1 50.5 51.0 49.6 46.9 46.9 47.9 19330 1815 31629 55.5 51.6 53.0

02/23 50.9 49.3 48.7 49.6 49.6 49.7 50.0 50.3 50.6 50.0 46.8 46.3 47.3 19096 1775 34827 56.0 50.7 53.1

02/24 50.9 49.2 49.0 49.6 49.6 49.8 50.2 50.4 ? 50.9 50.3 46.9 46.5 47.5 15206 1407 35202 57.0 52.2 54.8

02/25 50.8 49.2 48.9 49.6 49.6 49.8 50.2 50.4 50.9 50.3 47.0 46.7 47.5 14462 1299 35295 56.0 52.0 54.7

02/26 50.7 49.0 48.9 49.4 49.4 49.5 50.0 50.4 50.8 49.8 46.9 46.5 47.4 19362 1711 35276 55.5 52.0 54.7

02/27 50.6 49.0 49.1 49.3 49.3 49.4 49.6 49.7 50.0 48.7 46.8 44.5 45.4 17139 1688 30874 54.0 49.0 50.7

02/28 50.7 49.0 49.4 49.4 49.4 49.6 49.8 49.8 50.2 49.2 47.1 45.1 45.6 19126 1730 26199 50.5 48.6 52.8

02/29 50.6 48.6 49.3 49.3 49.3 49.5 49.9 50.2 50.3 49.4 47.2 46.7 47.2 19198 1750 22272 54.0 53.3 54.2

-

-

Feb 14954 1679 19871 51.8 48.8 50.2

433659 48677 576252

Legend Notes 860145 96549 1142972

? = 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

49.7 48.7

RDB

50.0 49.3

LWS

46.5 45.4

DGC

44.1

Mean Daily Air 

Temperatures (°F)

RDD

50.2

Total CFS

46.2

Mean Daily 

Release (CFS)

NFH

44.9

Mean Daily Water Temperatures (°F)

44.8

BND IGO

49.3

BSF

49.4 49.8

49.0 50.3 50.2 50.3 50.0 49.6

D

A

T

E

50.8 50.3

CCR2 TCD SAC 1 SHD SPP1 KWK

50.4 49.0 48.8 49.3 49.8

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

20

26

32

38

44

50

56

62

68

74

80

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

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

25

30

35

40

45

50

55

60

65

70

75

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

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 1230

Latest Profile Date: 02/07/2024

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
Feb-07

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

1998 -1498 803 -183 828 -40 58 -30 43

1999 -156 1365 1973 1165 -4 99 321 141

2000 150 1475 54 560 4 106 9 40

2001 -535 654 1229 806 -14 47 200 87

2002 -111 2211 422 915 -3 160 69 77

2003 -217 1302 365 628 -6 94 59 53

2004 -45 1815 94 651 -1 131 15 49

2005 -829 1427 235 831 -22 103 38 55

2006 -148 2079 193 806 -4 150 31 62

2007 -335 1988 385 902 -9 143 63 72

2008 -1441 882 1624 1315 -39 64 264 122

2009 -2268 55 -59 794 -61 4 -10 25

2010 -972 1350 232 852 -26 97 38 54

2011 -197 420 229 282 -5 30 37 24

2012 -589 1733 412 911 -16 125 67 69

2013 -204 2098 695 999 -5 151 113 90

2014 -2046 250 -48 781 -55 18 -8 27

2015 -1697 -403 -92 731 -46 -29 -15 30

2016 -1308 825 131 755 -35 60 21 39

2017 339 2661 1585 1528 9 192 258 153

2018 -1511 -308 -170 663 -41 -22 -28 30

2019 -720 1593 -65 793 -19 115 -11 48

2020 -205 -202 39 148 -6 -15 6 9

2021 -1532 563 -75 724 -41 41 -12 31

2022 -2071 251 42 788 -56 18 7 27

2023 -1227 848 1442 1172 -33 61 234 110

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 1234

Latest Profile Date: 02/13/2024

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
Feb-13

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

2000 443 443 443 443 27 27 27 27

2001 84 84 84 84 5 5 5 5

2002 77 77 77 77 5 5 5 5

2003 231 231 219 227 14 14 14 14

2004 311 311 311 311 19 19 19 19

2005 5 -12 -21 13 0 -1 -1 1

2006 437 437 422 432 27 27 26 27

2007 229 229 229 229 14 14 14 14

2008 -167 -167 -167 167 -10 -10 -10 10

2009 -572 -572 -572 572 -35 -35 -35 35

2010 -518 -556 -562 545 -32 -34 -35 34

2011 220 220 220 220 14 14 14 14

2012 353 293 282 309 22 18 17 19

2013 339 339 339 339 21 21 21 21

2014 -439 -439 -467 448 -27 -27 -29 28

2015 -670 -703 -816 729 -41 -43 -50 45

2016 -868 -868 -869 869 -54 -54 -54 54

2017 111 84 80 92 7 5 5 6

2018 168 168 168 168 10 10 10 10

2019 21 21 21 21 1 1 1 1

2020 397 397 384 392 25 25 24 24

2021 -354 -354 -354 354 -22 -22 -22 22

2022 -845 -845 -845 845 -52 -52 -52 52

2023 -839 -839 -839 839 -52 -52 -52 52

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 1236

Latest Profile Date: 02/06/2024

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
Feb-06

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

2000 -21.2 -21.2 -21.2 21.2 -9.3 -9.3 -9.3 9.3

2001 -11.1 -11.1 -11.1 11.1 -4.9 -4.9 -4.9 4.9

2002 -23.0 -22.9 -22.9 23.0 -10.1 -10.1 -10.1 10.1

2003 -22.3 -22.3 -22.3 22.3 -9.8 -9.8 -9.8 9.8

2004 -22.2 -22.2 -22.2 22.2 -9.7 -9.7 -9.7 9.7

2005 -16.9 -16.9 -16.9 16.9 -7.4 -7.4 -7.4 7.4

2006 -22.3 -22.3 -22.3 22.3 -9.8 -9.8 -9.8 9.8

2007 -23.2 -23.2 -23.2 23.2 -10.2 -10.2 -10.2 10.2

2008 -22.9 -22.9 -22.9 22.9 -10.0 -10.0 -10.0 10.0

2009 -19.2 -19.2 -19.2 19.2 -8.4 -8.4 -8.4 8.4

2010 -4.1 -4.1 -4.1 4.1 -1.8 -1.8 -1.8 1.8

2011 -22.9 -22.9 -22.9 22.9 -10.0 -10.0 -10.0 10.0

2012 -28.9 -29.5 -30.7 29.7 -12.7 -12.9 -13.4 13.0

2013 -23.3 -23.3 -23.3 23.3 -10.2 -10.2 -10.2 10.2

2014 -21.7 -21.7 -21.7 21.7 -9.5 -9.5 -9.5 9.5

2015 -23.6 -23.6 -23.6 23.6 -10.3 -10.3 -10.3 10.3

2016 -19.3 -19.3 -19.3 19.3 -8.5 -8.5 -8.5 8.5

2017 4.8 4.8 4.8 4.8 2.1 2.1 2.1 2.1

2018 -23.0 -22.9 -22.9 22.9 -10.1 -10.1 -10.1 10.1

2019 -15.1 -15.1 -15.1 15.1 -6.6 -6.6 -6.6 6.6

2020 -21.2 -21.1 -21.1 21.2 -9.3 -9.3 -9.3 9.3

2021 -21.5 -21.5 -21.5 21.5 -9.4 -9.4 -9.4 9.4

2022 -22.5 -22.5 -22.5 22.5 -9.9 -9.9 -9.9 9.9

2023 -5.6 -5.6 -5.6 5.6 -2.4 -2.4 -2.4 2.4

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