Report Generated 02/01/2024 at 1054

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

January - 2024
Shasta 

Generation 

Spring 

Creek P.P.

Keswick 

Total BSF RDB

Dec 4596 230 5120 47.3 49.5

01/01 52.4 51.9 51.1 51.6 51.4 51.6 51.7 51.4 51.7 49.3 45.6 45.7 46.6 4285 625 5034 51.5 46.0 48.0

01/02 52.2 51.6 50.9 51.5 51.1 51.1 50.7 ? 50.2 50.3 48.8 ? 45.6 44.6 45.2 4503 503 5039 45.5 44.5 45.5

01/03 ? 51.9 ? 51.4 ? 51.0 ? 51.5 ? 51.1 ? 51.3 ? 49.7 ? 49.6 ? 49.9 ? 49.3 ? 45.5 ? 44.3 ? 45.0 3404 1404 5062 ? 46.5 47.2 47.8

01/04 51.8 51.1 50.9 51.3 51.0 51.1 50.0 49.3 49.1 49.0 45.7 44.1 44.7 3191 1527 5098 50.0 44.4 47.4

01/05 51.9 51.1 50.8 51.2 50.9 51.0 50.3 49.6 49.5 49.0 45.9 44.7 45.2 3751 1024 5057 49.5 45.1 48.0

01/06 51.6 50.9 50.6 50.9 50.5 50.5 49.7 48.9 48.8 48.1 ? 45.6 42.9 ? 43.2 3981 1170 5035 43.0 41.5 43.6

01/07 51.6 50.9 50.2 50.7 50.2 50.1 48.6 47.8 47.8 47.1 ? 45.4 ? 41.0 ? 41.0 4270 652 5051 42.0 35.9 40.7

01/08 51.6 50.7 50.0 50.5 50.2 50.2 49.0 47.8 47.4 47.9 45.5 41.9 41.5 4366 602 5046 43.5 40.5 43.1

01/09 51.3 50.6 49.9 50.6 50.2 50.2 49.6 49.0 48.4 48.2 45.4 43.5 43.4 4409 610 5055 45.5 43.3 43.5

01/10 51.0 50.5 46.6 50.7 50.2 50.1 49.5 48.7 ? 48.5 47.6 45.3 42.8 42.8 5039 35 5065 43.5 44.5 45.0

01/11 51.1 50.5 45.3 50.3 49.9 49.8 48.5 47.7 47.9 46.6 44.9 41.2 41.8 4842 27 5061 42.5 40.0 41.4

01/12 51.1 50.6 47.4 50.0 49.6 49.5 48.5 ? 47.4 47.2 46.9 44.9 41.6 41.9 4988 44 5060 41.0 40.0 40.0

01/13 51.1 ? 50.3 49.0 50.0 48.7 49.0 47.2 47.4 47.4 46.1 ? 44.2 40.4 42.1 5006 348 5055 43.0 41.8 43.8

01/14 50.9 50.4 48.9 50.1 49.4 49.7 46.7 ? 45.6 45.7 47.8 44.3 41.7 43.1 4690 473 5060 48.0 46.2 47.5

01/15 50.9 50.4 48.9 50.0 49.7 49.9 48.5 47.6 47.3 47.3 44.2 43.3 45.0 4301 654 5061 49.5 43.8 46.6

01/16 50.7 50.3 48.5 50.0 49.5 49.5 48.4 47.8 47.8 46.7 44.0 42.5 43.9 4644 262 5059 41.0 40.9 42.8

01/17 50.6 50.1 48.6 50.0 49.7 49.9 48.4 47.9 47.8 47.8 43.9 43.1 44.3 4679 448 5063 50.5 49.0 50.4

01/18 50.6 50.0 48.5 50.0 49.8 50.0 49.6 ? 49.0 48.9 47.8 43.7 43.6 45.0 4679 448 5063 51.5 46.7 48.7

01/19 50.5 49.9 48.5 49.8 49.6 49.9 49.8 ? 49.3 49.3 48.0 43.7 43.7 45.2 3648 1266 5060 51.5 48.3 50.2

01/20 49.3 49.6 48.4 49.6 49.6 49.9 50.3 50.3 50.5 49.3 43.9 44.7 45.8 2861 1839 5043 54.5 54.0 53.9

01/21 49.6 49.7 48.4 49.8 49.9 50.1 50.7 50.6 50.8 50.2 44.0 45.0 46.0 2057 1857 5054 ↑ 54.5 53.7 53.1

01/22 49.6 49.6 48.5 50.2 50.8 50.8 51.2 51.1 51.3 51.2 44.2 45.7 46.8 1545 1854 5102 55.5 53.7 53.8

01/23 50.1 49.7 48.5 50.2 50.5 50.7 51.7 ? 51.7 51.8 ? 50.2 44.3 45.9 47.1 2351 1768 5106 56.5 52.5 54.0

01/24 49.9 49.6 48.6 50.3 50.6 50.6 51.5 51.5 ? 51.8 50.5 44.4 45.9 47.1 2304 1733 5111 ↑ 54.0 52.0 53.0

01/25 49.9 49.6 48.7 50.2 50.4 50.7 51.5 51.5 ? 51.8 49.5 ? 44.4 ? 45.3 ? 46.5 2877 1733 5112 54.0 50.9 52.8

01/26 49.8 49.4 48.6 50.0 50.1 50.2 50.9 ? 50.9 51.2 49.7 44.4 45.3 46.4 2559 1731 5111 53.5 49.7 51.2

01/27 50.1 ? 49.7 48.8 49.6 49.9 50.2 51.1 51.0 51.2 50.2 44.6 45.9 46.0 2991 1724 5092 57.5 53.2 54.5

01/28 49.9 49.4 49.0 49.7 50.0 50.5 51.9 ? 52.1 52.3 50.6 44.9 46.6 46.5 3016 1691 5005 65.5 58.6 60.5

01/29 49.8 ? 49.6 49.0 49.8 50.0 50.5 51.9 52.5 53.0 50.2 45.3 47.1 47.8 3285 1720 5010 60.5 55.4 57.5

01/30 49.9 ? 49.5 ? 48.8 ? 50.0 ? 50.4 ? 50.9 ? 52.1 ? 52.6 ? 53.2 ? 50.7 ? 45.6 ? 47.7 ? 48.6 5932 1733 6989 60.0 57.0 58.6

01/31 49.8 49.2 48.8 49.5 49.6 49.7 50.6 51.4 52.1 49.8 45.6 47.1 47.8 13672 1731 14039 57.0 55.0 55.5

Jan 3815 1050 5127 50.2 47.3 48.9

128126 33236 167858

Legend Notes 254133 65922 332939

? = 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 50.8

RDB

49.7 48.7

LWS

44.8 44.1

DGC

44.2

Mean Daily Air 

Temperatures (°F)

RDD

51.5

Total CFS

44.9

Mean Daily 

Release (CFS)

NFH

44.8

Mean Daily Water Temperatures (°F)

44.7

BND IGO

50.3

BSF

50.3 49.6

49.3 50.8 50.6 50.7 50.5 50.1

D

A

T

E

51.7 50.9

CCR2 TCD SAC 1 SHD SPP1 KWK

50.8 50.3 49.0 50.2 50.0

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 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 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

28

33

38

43

48

53

58

63

68

73

78

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 01/23/2024 at 2157

Latest Profile Date: 01/04/2024

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 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 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 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
Jan-04

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

1998 -182 214 -215 204 -15 29 -52 32

1999 1742 235 139 705 148 32 33 71

2000 906 -106 -179 397 77 -14 -43 45

2001 549 -366 -332 416 47 -50 -80 59

2002 452 748 -155 452 38 102 -37 59

2003 1887 -69 -160 705 161 -9 -38 69

2004 2047 -275 -404 909 174 -37 -97 103

2005 53 217 -212 161 5 29 -51 28

2006 1630 48 -233 637 139 7 -56 67

2007 1635 -118 -178 644 139 -16 -43 66

2008 622 -379 -252 418 53 -51 -61 55

2009 -151 286 -272 236 -13 39 -66 39

2010 557 -216 -159 311 47 -29 -38 38

2011 2177 -124 -389 897 185 -17 -94 99

2012 1442 -154 1 532 123 -21 0 48

2013 1664 -32 -79 592 142 -4 -19 55

2014 238 -339 -167 248 20 -46 -40 35

2015 526 -434 -415 458 45 -59 -100 68

2016 -45 376 -94 172 -4 51 -23 26

2017 1302 1590 -32 975 111 216 -8 112

2018 -196 -194 -83 158 -17 -26 -20 21

2019 -613 -479 -406 499 -52 -65 -98 72

2020 -120 -54 -168 114 -10 -7 -41 19

2021 373 -418 -345 379 32 -57 -83 57

2022 34 471 -131 212 3 64 -32 33

2023 287 -115 -181 194 24 -16 -43 28

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 01/23/2024 at 2151

Latest Profile Date: 01/18/2024

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 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 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 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
Jan-18

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

2000 627 649 653 643 47 50 50 49

2001 366 389 16 257 27 30 1 19

2002 66 68 41 59 5 5 3 4

2003 340 363 330 344 26 28 25 26

2004 521 544 547 537 39 41 42 41

2005 213 -179 -279 224 16 -14 -21 17

2006 577 582 557 572 43 44 43 43

2007 464 486 267 406 35 37 20 31

2008 71 93 97 87 5 7 7 7

2009 -351 -328 -324 334 -26 -25 -25 25

2010 -340 -549 -586 491 -25 -42 -45 37

2011 421 444 447 437 32 34 34 33

2012 626 70 -34 243 47 5 -3 18

2013 575 597 601 591 43 46 46 45

2014 -158 -135 -133 142 -12 -10 -10 11

2015 -491 -468 -521 493 -37 -36 -40 37

2016 -736 -713 -870 773 -55 -54 -67 59

2017 145 -209 -265 206 11 -16 -20 16

2018 428 451 -255 378 32 34 -20 29

2019 215 113 89 139 16 9 7 11

2020 639 662 666 656 48 51 51 50

2021 -80 -97 -100 93 -6 -7 -8 7

2022 -590 -567 -563 573 -44 -43 -43 44

2023 -618 -664 -669 651 -46 -51 -51 49

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 01/23/2024 at 2222

Latest Profile Date: 01/11/2024

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 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 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 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
Jan-11

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

2000 -2.2 -1.8 -1.8 1.9 -1.0 -0.9 -0.9 0.9

2001 3.2 3.5 3.5 3.4 1.5 1.7 1.7 1.6

2002 0.8 1.2 1.2 1.1 0.4 0.6 0.6 0.5

2003 -1.3 -0.9 -0.9 1.1 -0.6 -0.4 -0.4 0.5

2004 -1.5 -1.1 -1.1 1.2 -0.7 -0.5 -0.5 0.6

2005 1.3 1.7 1.7 1.6 0.6 0.8 0.8 0.8

2006 -2.2 -1.8 -1.8 2.0 -1.1 -0.9 -0.9 0.9

2007 -2.6 -2.3 -2.3 2.4 -1.3 -1.1 -1.1 1.1

2008 -3.1 -2.7 -2.7 2.8 -1.5 -1.3 -1.3 1.4

2009 -1.2 -0.8 -0.8 0.9 -0.6 -0.4 -0.4 0.5

2010 1.0 1.4 1.4 1.3 0.5 0.7 0.7 0.6

2011 -2.7 -2.4 -2.4 2.5 -1.3 -1.1 -1.1 1.2

2012 -2.4 -2.0 -2.0 2.2 -1.2 -1.0 -1.0 1.0

2013 -0.8 -0.4 -0.4 0.5 -0.4 -0.2 -0.2 0.2

2014 -2.7 -2.3 -2.3 2.4 -1.3 -1.1 -1.1 1.2

2015 -1.0 -0.6 -0.6 0.7 -0.5 -0.3 -0.3 0.4

2016 4.7 5.0 5.0 4.9 2.2 2.4 2.4 2.4

2017 13.2 13.6 13.6 13.5 6.4 6.6 6.6 6.5

2018 -2.8 -2.4 -2.4 2.6 -1.4 -1.2 -1.2 1.2

2019 1.9 2.3 2.3 2.2 0.9 1.1 1.1 1.1

2020 -1.1 -0.7 -0.7 0.8 -0.5 -0.3 -0.3 0.4

2021 -2.7 -2.3 -2.3 2.4 -1.3 -1.1 -1.1 1.2

2022 -0.7 -0.4 -0.4 0.5 -0.4 -0.2 -0.2 0.2

2023 38.0 38.4 38.4 38.3 18.3 18.5 18.5 18.4

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