Report Generated 03/01/2023 at 1128

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 - 2023
Shasta 

Generation 

Spring 

Creek P.P.

Keswick 

Total BSF RDB

Jan 1252 1526 3731 46.6 47.8

02/01 48.2 47.3 47.1 47.2 47.0 47.0 46.8 # - 45.0 44.9 43.1 39.4 39.9 2493 538 3340 42.0 39.0 41.5

02/02 47.9 47.4 46.8 47.1 46.8 46.8 46.7 # - ? 45.2 44.9 43.0 39.7 40.4 2432 815 3336 42.0 39.3 42.1

02/03 48.1 47.3 46.7 47.2 47.0 47.0 46.9 # - ? 45.7 45.5 43.2 41.0 41.9 2250 366 3321 43.5 42.3 45.6

02/04 48.2 47.6 46.6 47.2 47.2 47.5 47.4 # - ? 46.8 46.1 43.2 42.2 43.5 2476 334 3317 49.0 47.2 48.5

02/05 48.3 47.6 47.1 47.2 47.3 47.9 48.0 # - ? 47.9 46.1 43.2 42.7 44.1 2742 37 3322 46.5 48.3 48.9

02/06 48.3 47.5 46.9 47.4 47.3 47.6 47.8 # - ? 47.9 45.3 43.1 42.0 43.1 2604 37 3323 48.5 44.4 47.3

02/07 48.3 47.5 46.9 47.5 47.4 47.7 47.8 # - 47.2 45.5 43.0 42.0 43.1 2569 37 3268 47.0 42.4 45.0

02/08 48.3 47.6 47.1 47.6 47.6 48.0 47.8 # - 47.3 45.7 43.1 41.9 43.1 2517 37 3254 52.0 45.7 48.1

02/09 48.0 47.5 47.2 47.6 47.7 48.3 48.4 # - ? 48.1 46.0 43.1 42.0 43.0 2546 37 3297 50.5 46.3 49.3

02/10 48.0 47.5 47.3 47.7 47.6 47.9 48.6 # - 48.5 46.0 43.1 41.7 42.6 2513 37 3297 47.5 44.4 46.5

02/11 48.3 ? 47.4 47.3 47.8 47.8 48.3 48.6 # - ? 48.3 46.2 43.2 41.7 43.0 2572 37 3294 52.0 49.0 49.0

02/12 48.5 ? 47.5 47.3 47.9 48.0 48.7 49.1 # - ? 49.1 46.5 43.3 42.4 43.6 2816 37 3294 63.5 56.8 55.0

02/13 48.2 ? 47.5 47.4 47.8 47.9 48.6 49.4 # - ? 49.5 46.4 43.4 42.6 43.7 2769 37 3297 54.0 48.8 51.8

02/14 48.5 47.7 47.4 47.6 47.5 47.7 48.6 # - ? 48.6 45.2 43.6 41.3 42.1 2650 37 3297 43.5 42.6 44.9

02/15 48.4 ? 47.6 47.3 47.5 47.5 47.7 47.8 # - ? 47.3 45.0 43.9 40.4 40.9 2415 37 3295 46.5 43.2 44.5

02/16 48.2 47.5 47.2 47.3 47.2 47.3 47.8 # - 46.7 44.9 44.0 40.6 40.4 2688 37 3296 40.0 38.4 40.6

02/17 48.1 ? 47.3 47.1 47.3 47.3 47.6 47.7 # - 46.7 45.5 44.1 41.3 41.6 2709 37 3295 ↓ 47.5 43.6 47.2

02/18 47.8 47.4 47.1 47.3 47.2 47.5 47.8 # - ? 47.0 45.6 44.0 41.2 41.5 2876 37 3300 45.0 42.1 45.7

02/19 48.2 47.6 47.1 47.4 47.6 48.1 48.1 # - 47.5 46.1 44.2 41.6 42.2 2937 37 3295 53.5 51.3 55.5

02/20 48.3 47.5 47.1 47.7 47.9 48.9 49.2 # - 49.2 46.8 44.2 42.9 43.5 2587 40 3292 ↑ 63.0 56.3 55.5

02/21 48.4 47.5 46.7 47.7 47.8 48.5 49.8 # - 50.3 46.3 44.1 43.5 44.6 2488 258 3299 51.5 50.1 49.4

02/22 47.7 47.1 46.6 47.5 47.3 47.2 48.4 # - 48.9 44.9 44.2 42.2 42.6 2444 423 3321 40.0 39.5 41.5

02/23 47.8 46.7 46.9 47.3 46.9 46.5 47.2 # - 46.5 44.3 44.3 41.5 ? 41.5 2812 42 3326 38.0 38.6 39.0

02/24 47.2 46.5 46.1 ? 46.9 46.4 ? 45.9 45.6 # - 43.8 ? 43.3 44.2 41.5 ? 41.1 2207 378 3324 ↓ 38.0 35.4 35.5

02/25 47.4 ? 46.8 46.1 46.5 46.6 46.8 45.9 # - 43.7 45.1 44.2 42.3 43.0 2242 317 3326 ↓ 36.0 37.5 39.6

02/26 47.1 ? 46.5 46.0 46.3 46.0 46.4 45.7 # - ? 45.5 45.0 43.9 42.9 43.8 2891 329 3321 ↓ 42.5 42.4 42.8

02/27 46.8 46.4 45.8 46.3 45.8 46.1 44.7 # - ? 44.3 ? 44.1 ? 43.5 ? 41.6 ? 41.1 2687 323 3327 42.5 41.2 42.5

02/28 46.9 46.2 45.8 46.4 45.7 46.0 44.5 # - ? 43.9 ? 43.8 ? 43.1 ? 40.1 ? 39.4 2448 314 3328 42.5 41.0 42.3

-

-

-

Feb 2585 180 3307 44.2 45.9

72380 5032 92602

Legend Notes 143563 9981 183672

? = 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 Sacramento River control point (see page 4 for more details)

↑ = Record high air temperature

↓ = Record low air temperature

 = Monthly Averages

Total AF

47.7 47.6

RDB

47.0 45.4

LWS

43.6 41.7

DGC

42.6

Mean Daily Air 

Temperatures (°F)

RDD

48.7

Total CFS

42.3 46.7

Mean Daily 

Release (CFS)

NFH

43.6

Mean Daily Water Temperatures (°F)

44.7

BND IGO

47.3

BSF

-

48.4 49.0 48.8 48.9 48.5 47.2

D

A

T

E

49.4 48.9

SAC CCR 2 TCD1 SHD SPP1 KWK

48.0 47.3 46.9 47.2 47.5 47.6

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 SAC 55 06/15/2021 05/02/2022

SHD Sacramento River 0.3 miles downstream of Shasta Power Plant Click Here Sacramento SAC 58 05/02/2022 06/07/2022

SPP N/A Spring Creek Power Plant N/A Sacramento SAC 54.5 06/07/2022 TBD

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

25

31

37

43

49

55

61

67

73

79

85

91

44

45

46

47

48

49

50

51

52

53

54

55

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

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 Trinity DGC 56 Sep-15 Oct-01

DGC Trinity River 19 miles downstream of Lewiston Dam Click Here Trinity NFH 56 Oct-01 Dec-31

NFH Trinity River 38 miles downstream of Lewiston Dam Click Here

 Notes

1 Distances are approximate

Station Details Water Right Temperature Control Points

25

31

37

43

49

55

61

67

73

79

85

38

39

40

41

42

43

44

45

46

47

48

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

Air Temperature (°F)

Water Temperature (°F)

Trinity River Mean Daily Temperatures

Redding Air (Observed and Forecasted) LWS DGC NFH

4
Updated 03/01/2023 at 1406

Latest Profile Date: 03/01/2023

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

2023

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 - 2023

<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 (1998-2022) 2014 2015 2016 2019 2022 2023
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 (1998-2022) 2014 2015 2016 2019 2022 2023
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 (1998-2022) 2014 2015 2016 2019 2022 2023
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 (1998-2022)

2023 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 (1998-2022)

2023 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 (1998-2022)

2023 95 90 75 50 25 10 5
Mar-01

2023 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

1998 251 244 -2158 884 9 9 -79 32

1999 913 854 773 846 33 31 28 31

2000 1046 827 -1720 1198 38 30 -63 44

2001 578 520 429 509 21 19 16 19

2002 1059 978 -1154 1064 39 36 -42 39

2003 764 319 -1329 804 28 12 -49 29

2004 984 984 -1692 1220 36 36 -62 44

2005 84 -316 -1498 633 3 -12 -55 23

2006 918 918 -956 931 33 33 -35 34

2007 988 988 -1426 1134 36 36 -52 41

2008 -127 -127 -776 343 -5 -5 -28 13

2009 -650 -650 -795 698 -24 -24 -29 25

2010 605 605 -891 701 22 22 -33 26

2011 1065 793 -234 697 39 29 -9 25

2012 418 418 -1683 840 15 15 -61 31

2013 867 406 -1210 828 32 15 -44 30

2014 -861 -1476 -2029 1455 -31 -54 -74 53

2015 -719 -1467 -2121 1436 -26 -53 -77 52

2016 136 -359 -1637 710 5 -13 -60 26

2017 959 959 435 784 35 35 16 29

2018 431 192 -2132 918 16 7 -78 33

2019 931 931 -1540 1134 34 34 -56 41

2020 775 -1166 -1790 1244 28 -42 -65 45

2021 -476 -476 -1925 959 -17 -17 -70 35

2022 -1058 -1058 -1899 1338 -39 -39 -69 49

2023 0 0 0 0 0 0 0 0

∆ TAF % ∆

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

Historic - Current (Historic - Current) / Current

13
Updated 02/24/2023 at 0944

Latest Profile Date: 02/22/2023

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

2023

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 - 2023

<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 (2000-2022) 2014 2015 2016 2019 2022 2023
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 (2000-2022) 2014 2015 2016 2019 2022 2023
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 (2000-2022) 2014 2015 2016 2019 2022 2023
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 (2000-2022)

2023 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 (2000-2022)

2023 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 (2000-2022)

2023 95 90 75 50 25 10 5
Feb-22

2023 ≤52° ≤50° ≤48° Abs. Avg. ≤52° ≤50° ≤48° Abs. Avg.

2000 1309 1309 1309 1309 165 165 165 165

2001 913 913 913 913 115 115 115 115

2002 935 935 935 935 118 118 118 118

2003 1118 1118 1114 1117 141 141 141 141

2004 1216 1216 1216 1216 154 154 154 154

2005 866 770 720 785 109 97 91 99

2006 1291 1291 1234 1272 163 163 156 161

2007 1082 1082 1008 1058 137 137 127 134

2008 676 676 676 676 85 85 85 85

2009 276 276 276 276 35 35 35 35

2010 346 346 346 346 44 44 44 44

2011 1075 1075 1075 1075 136 136 136 136

2012 1175 1175 1175 1175 148 148 148 148

2013 1182 1182 1182 1182 149 149 149 149

2014 388 388 351 376 49 49 44 47

2015 227 156 49 144 29 20 6 18

2016 64 64 58 62 8 8 7 8

2017 1013 1013 987 1004 128 128 125 127

2018 1001 1001 1001 1001 126 126 126 126

2019 885 885 885 885 112 112 112 112

2020 1227 1227 1101 1185 155 155 139 150

2021 477 477 477 477 60 60 60 60

2022 -11 -11 -11 11 -1 -1 -1 1

2023 0 0 0 0 0 0 0 0

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

∆ TAF % ∆

Historic - Current (Historic - Current) / Current

22
Updated 02/24/2023 at 0853

Latest Profile Date: 02/15/2023

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

2023

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 - 2023

<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 (2000-2022) 2014 2015 2016 2019 2022 2023
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 (2000-2022) 2014 2015 2016 2019 2022 2023
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 (2000-2022) 2014 2015 2016 2019 2022 2023
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 (2000-2022)

2023 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 (2000-2022)

2023 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 (2000-2022)

2023 95 90 75 50 25 10 5
Feb-15

2023 ≤60° ≤58° ≤56° Abs. Avg. ≤60° ≤58° ≤56° Abs. Avg.

2000 -5.6 -5.6 -5.6 5.6 -2.6 -2.6 -2.6 2.6

2001 6.1 6.1 6.1 6.1 2.9 2.9 2.9 2.9

2002 -7.4 -7.4 -7.4 7.4 -3.5 -3.5 -3.5 3.5

2003 -7.4 -7.4 -7.4 7.4 -3.5 -3.5 -3.5 3.5

2004 -7.2 -7.2 -7.2 7.2 -3.4 -3.4 -3.4 3.4

2005 -3.4 -3.4 -3.4 3.4 -1.6 -1.6 -1.6 1.6

2006 -7.1 -7.1 -7.1 7.1 -3.3 -3.3 -3.3 3.3

2007 -7.5 -7.5 -7.5 7.5 -3.5 -3.5 -3.5 3.5

2008 -6.4 -6.4 -6.4 6.4 -3.0 -3.0 -3.0 3.0

2009 -3.1 -3.1 -3.1 3.1 -1.5 -1.5 -1.5 1.5

2010 7.4 7.4 7.4 7.4 3.5 3.5 3.5 3.5

2011 -7.7 -7.7 -7.7 7.7 -3.6 -3.6 -3.6 3.6

2012 -18.3 -19.4 -21.5 19.7 -8.6 -9.1 -10.1 9.3

2013 -8.1 -8.1 -8.1 8.1 -3.8 -3.8 -3.8 3.8

2014 -5.7 -5.7 -5.7 5.7 -2.7 -2.7 -2.7 2.7

2015 -8.0 -8.0 -8.0 8.0 -3.8 -3.8 -3.8 3.8

2016 -1.0 -1.0 -1.0 1.0 -0.5 -0.5 -0.5 0.5

2017 23.8 23.8 23.8 23.8 11.2 11.2 11.2 11.2

2018 -7.9 -7.9 -7.9 7.9 -3.7 -3.7 -3.7 3.7

2019 1.4 1.4 1.4 1.4 0.7 0.7 0.7 0.7

2020 -6.5 -6.5 -6.5 6.5 -3.0 -3.0 -3.0 3.0

2021 -5.7 -5.7 -5.7 5.7 -2.7 -2.7 -2.7 2.7

2022 -7.0 -7.0 -7.0 7.0 -3.3 -3.3 -3.3 3.3

2023 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)

Historic - Current (Historic - Current) / Current

31