Report Generated 04/05/2019 at 0809

Page Description

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

2 - Redding 10-Day Forecasted Air Temperatures

3 - Sacramento River Mean Daily Water Temperature, Air Temperature and 10-Day Forecasted Air Temperature Plot

- Water Temperature Measuring Station Details

- Temperature Control Point Details

4 - Daily Maximum and 7DADM 

5 - Shasta Lake Isothermobaths Plot

6 - Trinity Lake Isothermobaths Plot

7 - Whiskeytown Lake Isothermobaths Plot

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

March - 2019
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Feb 2055 925 3991 44.6 45.5 -

03/01 48.2 47.4 45.9 47.5 47.6 47.8 48.2 48.4 # - 48.9 ! - 43.2 - 14422 3585 25767 47.5 47.1 47.4 -

03/02 48.4 47.5 45.9 47.5 47.7 47.9 48.3 48.6 # - 48.7 ? 47.6 43.3 - 14279 3521 28819 52.5 50.0 50.0 -

03/03 48.5 47.6 46.0 47.7 47.9 48.1 48.8 49.3 # - 49.5 ? 48.5 44.4 - 15147 3771 30696 53.5 51.6 52.2 -

03/04 48.5 47.5 46.2 47.7 47.9 48.1 48.8 49.3 # - 49.8 ? 48.3 44.6 - 15165 3431 30839 53.5 51.3 51.5 -

03/05 48.7 47.6 46.1 47.6 47.8 47.9 48.3 48.5 # - 49.0 ? 47.4 43.1 - 15206 3837 30875 49.0 48.5 48.7 -

03/06 48.6 47.4 46.1 47.8 48.4 48.3 49.3 49.5 49.9 49.6 ? 49.5 44.3 - 15374 1713 30073 54.5 54.7 54.5 -

03/07 48.6 47.8 46.2 47.7 48.0 48.0 49.1 49.5 50.0 50.1 ? 49.1 44.8 - 14534 2429 36980 49.5 50.0 51.2 -

03/08 48.3 47.9 46.3 47.5 47.7 47.9 48.5 48.8 49.3 49.2 ! - 44.4 - 14305 3628 41654 48.0 46.8 46.9 -

03/09 48.0 47.4 46.6 47.4 47.5 47.7 47.8 47.9 48.4 48.4 46.3 44.2 - 13513 3230 40467 43.0 43.2 44.6 -

03/10 48.3 47.5 46.4 47.6 47.8 48.0 48.3 48.2 48.6 ? 48.4 47.3 45.6 - 13906 2632 40265 51.0 48.3 49.7 -

03/11 ? 48.6 ? 47.7 46.6 47.8 48.0 48.2 48.6 48.7 49.2 49.3 47.8 45.4 - 14252 1725 40176 56.5 52.6 53.0 -

03/12 ? 48.6 # - 46.8 47.9 48.1 48.3 48.7 49.0 49.4 49.6 48.0 45.6 - 15449 1486 39653 52.5 49.8 52.2 -

03/13 ! - # - 47.2 47.9 48.1 48.3 48.5 48.7 49.1 49.2 47.0 45.3 - 15217 1634 39824 48.0 47.6 50.2 -

03/14 ! - # 48.1 ? 47.2 48.0 48.1 48.3 48.5 48.6 49.1 49.2 47.3 44.9 - 15193 1606 39207 54.5 50.5 52.1 -

03/15 ? 48.7 # 48.3 ? 47.0 48.2 48.3 48.5 48.8 49.0 49.4 49.6 47.9 44.3 - 15240 1639 33658 53.5 50.6 52.6 -

03/16 ? 48.8 # 48.3 ? 46.9 48.2 48.4 48.7 49.1 49.4 49.9 50.1 48.2 45.4 - 15293 1427 29031 54.0 52.8 55.2 -

03/17 ! - # - ? 46.9 48.2 48.4 48.7 49.3 49.8 50.2 50.5 48.8 46.2 - 15019 1530 24238 58.5 55.1 57.1 -

03/18 # - # - ? 46.9 48.3 48.5 48.8 49.6 50.2 50.7 51.0 49.0 # - - 15217 1610 20769 58.0 56.5 59.5 -

03/19 ! - # 48.6 ? 47.0 48.3 48.6 48.9 49.6 50.3 50.8 51.1 49.0 ! - - 15286 1995 17706 60.5 56.7 59.3 -

03/20 49.2 # 48.2 ? 46.9 48.4 48.7 48.9 49.8 50.5 51.0 50.9 ? 49.0 47.6 - 13822 439 14954 56.0 53.1 53.9 -

03/21 49.3 # - 46.9 48.2 48.6 49.0 50.1 50.8 51.2 51.1 49.3 48.1 - 10616 607 12734 55.5 53.8 55.0 -

03/22 49.9 # - 47.0 48.4 48.6 48.9 49.6 50.2 50.8 50.8 48.3 46.8 - 8603 1538 10934 48.0 47.6 48.0 -

03/23 50.3 # - 47.0 48.4 49.0 49.1 50.3 50.5 50.8 50.4 49.6 48.2 - 8652 1011 10023 54.0 51.5 52.1 -

03/24 50.5 # - 47.2 48.7 49.1 49.4 50.5 51.1 51.5 51.5 49.3 48.5 - 8948 444 10188 51.0 50.3 51.6 -

03/25 49.6 # - 47.1 48.8 49.1 49.0 49.9 50.4 51.0 50.9 48.5 47.5 - 9061 606 10037 50.0 49.7 50.8 -

03/26 49.7 # - ? 47.2 48.5 48.9 49.1 50.4 50.6 51.1 50.9 49.2 49.1 - 8730 567 10151 53.0 52.8 54.3 -

03/27 49.7 # 48.9 ? 47.3 48.8 49.5 49.2 51.1 51.6 52.1 ? 52.3 ? 49.5 49.5 - 10183 1605 13249 52.5 53.0 54.3 -

03/28 49.8 # 48.7 47.5 48.8 51.1 49.1 49.4 50.0 50.5 50.9 49.1 48.4 - 11638 2412 15245 48.5 50.4 52.2 -

03/29 50.1 # - 47.5 48.7 ? 51.4 49.3 50.7 51.0 51.4 51.3 50.0 49.2 - 12151 1837 15150 54.0 53.3 55.0 -

03/30 50.6 # - 47.6 48.9 ? 49.5 49.5 50.7 51.3 51.8 51.9 50.0 50.0 - 10940 2804 15103 58.5 54.0 56.6 -

03/31 50.5 # 49.3 47.6 49.4 ? 49.7 49.9 51.1 51.8 52.3 52.3 50.4 50.2 - 12409 1765 14894 59.5 58.0 59.9 -

Mar 13154 2002 24947 51.3 52.6 -

407770 62064 773359

Legend Notes 808795 123101 1533926

? = 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 control point (see page 3 for more details)

↑ = Record high air temperature 3 Column not used this month

↓ = Record low air temperature 4 SHD damaged on 03/11. Data beyond 03/11 collected with Onset HOBO logger.

 = Monthly Averages

48.6

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

49.4 48.7 45.9 -

TCD SAC CCR JLF 1 SHD4 SPP1 KWK BSF2

49.2 48.0 46.8 48.2 48.6

47.0 48.2 47.5 48.2 47.0 46.9

Mean Daily 

Air Temperatures (°F)

- 47.0

52.9

RDD

-

44.9

BND

49.3 50.4 50.2

Total AF

RDB

Total CFS

IGO -----

48.6 46.3

LWS

42.5

49.7

3
2

↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg ↓ ↑ Avg

03/01 40 55 47.5 41 55 48.0 41 59 50.0 41 59 50.0 43 58 50.5 44 58 51.0 46 57 51.5 43 56 49.5 36 60 48.0 37 64 50.5 41 66 53.5 43 70 56.5

03/02 40 55 47.5 45 56 50.5 44 58 51.0 43 59 51.0 42 58 50.0 47 56 51.5 45 54 49.5 39 54 46.5 39 61 50.0 44 66 55.0 42 67 54.5 44 65 54.5

03/03 45 60 52.5 49 59 54.0 44 59 51.5 42 58 50.0 46 56 51.0 44 55 49.5 40 54 47.0 38 53 45.5 39 62 50.5 42 66 54.0 44 64 54.0 45 68 56.5

03/04 49 58 53.5 49 58 53.5 43 55 49.0 47 56 51.5 46 54 50.0 39 55 47.0 38 54 46.0 40 56 48.0 43 63 53.0 42 62 52.0 42 65 53.5 43 66 54.5

03/05 49 58 53.5 47 53 50.0 48 56 52.0 45 54 49.5 40 55 47.5 38 53 45.5 39 57 48.0 39 60 49.5 39 64 51.5 46 68 57.0 43 69 56.0 45 72 58.5

03/06 47 51 49.0 50 57 53.5 44 53 48.5 40 54 47.0 38 52 45.0 38 59 48.5 39 62 50.5 42 58 50.0 41 60 50.5 44 68 56.0 43 68 55.5 44 68 56.0

03/07 50 59 54.5 47 52 49.5 38 53 45.5 39 51 45.0 36 57 46.5 38 63 50.5 42 59 50.5 39 58 48.5 39 63 51.0 42 65 53.5 45 68 56.5 44 68 56.0

03/08 47 52 49.5 43 53 48.0 40 49 44.5 38 56 47.0 38 60 49.0 43 56 49.5 38 58 48.0 38 60 49.0 41 65 53.0 43 69 56.0 46 72 59.0 45 71 58.0

03/09 42 54 48.0 40 49 44.5 39 57 48.0 38 63 50.5 42 56 49.0 38 59 48.5 37 61 49.0 40 61 50.5 43 69 56.0 44 70 57.0 49 69 59.0 46 70 58.0

03/10 40 46 43.0 42 57 49.5 39 65 52.0 41 58 49.5 37 60 48.5 39 66 52.5 41 66 53.5 43 65 54.0 45 72 58.5 45 74 59.5 48 74 61.0 45 75 60.0

03/11 42 60 51.0 47 65 56.0 41 60 50.5 37 61 49.0 39 63 51.0 41 67 54.0 44 68 56.0 46 71 58.5 45 72 58.5 46 67 56.5 47 69 58.0 47 65 56.0

03/12 44 69 56.5 41 61 51.0 38 61 49.5 40 61 50.5 41 68 54.5 45 69 57.0 47 72 59.5 48 72 60.0 46 68 57.0 47 66 56.5 47 65 56.0 45 72 58.5

03/13 41 64 52.5 35 61 48.0 40 65 52.5 43 69 56.0 44 69 56.5 47 72 59.5 47 72 59.5 50 66 58.0 46 73 59.5 47 67 57.0 50 67 58.5 46 69 57.5

03/14 33 63 48.0 42 67 54.5 42 70 56.0 44 71 57.5 47 75 61.0 49 74 61.5 50 70 60.0 50 68 59.0 50 66 58.0 48 65 56.5 48 66 57.0 45 70 57.5

03/15 39 70 54.5 36 70 53.0 43 71 57.0 47 75 61.0 48 74 61.0 50 70 60.0 50 67 58.5 50 64 57.0 48 63 55.5 47 66 56.5 45 71 58.0 47 72 59.5

03/16 34 73 53.5 38 72 55.0 45 74 59.5 47 74 60.5 51 71 61.0 51 66 58.5 49 67 58.0 50 61 55.5 47 65 56.0 44 70 57.0 46 71 58.5 45 71 58.0

03/17 35 73 54.0 44 75 59.5 46 74 60.0 50 73 61.5 52 62 57.0 50 65 57.5 49 61 55.0 48 62 55.0 43 64 53.5 45 64 54.5 48 66 57.0 44 72 58.0

03/18 43 74 58.5 42 75 58.5 51 74 62.5 51 60 55.5 47 66 56.5 49 59 54.0 47 63 55.0 44 65 54.5 46 64 55.0 44 70 57.0 48 71 59.5 45 73 59.0

03/19 40 76 58.0 50 74 62.0 50 61 55.5 47 65 56.0 48 59 53.5 46 64 55.0 43 68 55.5 47 63 55.0 46 63 54.5 47 62 54.5 46 67 56.5 46 67 56.5

03/20 49 72 60.5 51 60 55.5 46 64 55.0 47 62 54.5 44 63 53.5 42 67 54.5 46 60 53.0 47 62 54.5 44 61 52.5 44 66 55.0 46 68 57.0 45 71 58.0

03/21 49 63 56.0 47 64 55.5 46 54 50.0 45 60 52.5 42 65 53.5 46 60 53.0 47 61 54.0 46 60 53.0 41 64 52.5 45 71 58.0 47 71 59.0 46 67 56.5

03/22 46 65 55.5 45 53 49.0 45 61 53.0 43 64 53.5 45 59 52.0 45 60 52.5 46 58 52.0 43 61 52.0 43 68 55.5 46 75 60.5 49 71 60.0 45 67 56.0

03/23 44 52 48.0 48 61 54.5 40 65 52.5 46 58 52.0 44 60 52.0 45 56 50.5 44 59 51.5 42 66 54.0 40 68 54.0 47 72 59.5 47 67 57.0 47 68 57.5

03/24 48 60 54.0 40 65 52.5 46 56 51.0 43 59 51.0 45 57 51.0 44 58 51.0 42 65 53.5 43 68 55.5 45 66 55.5 48 73 60.5 50 77 63.5 49 73 61.0

03/25 39 63 51.0 42 54 48.0 44 60 52.0 47 58 52.5 45 58 51.5 42 65 53.5 44 69 56.5 46 66 56.0 47 70 58.5 50 74 62.0 52 73 62.5 48 72 60.0

03/26 47 53 50.0 46 60 53.0 48 60 54.0 45 56 50.5 43 65 54.0 44 69 56.5 47 70 58.5 49 68 58.5 47 72 59.5 50 75 62.5 50 76 63.0 48 73 60.5

03/27 46 60 53.0 47 60 53.5 45 56 50.5 43 64 53.5 42 71 56.5 46 72 59.0 50 68 59.0 48 69 58.5 48 75 61.5 52 71 61.5 53 68 60.5 49 69 59.0

03/28 41 64 52.5 41 62 51.5 43 63 53.0 42 71 56.5 45 72 58.5 51 69 60.0 50 67 58.5 48 66 57.0 48 64 56.0 54 67 60.5 57 68 62.5 46 74 60.0

03/29 41 56 48.5 46 63 54.5 40 71 55.5 44 74 59.0 50 67 58.5 51 64 57.5 48 64 56.0 47 64 55.5 48 62 55.0 49 66 57.5 52 69 60.5 45 72 58.5

03/30 45 63 54.0 46 72 59.0 44 76 60.0 51 68 59.5 51 65 58.0 49 67 58.0 50 64 57.0 48 60 54.0 49 68 58.5 48 77 62.5 53 79 66.0 50 81 65.5

03/31 44 73 58.5 45 76 60.5 50 66 58.0 51 63 57.0 49 66 57.5 50 64 57.0 50 60 55.0 46 63 54.5 50 74 62.0 51 81 66.0 54 78 66.0 50 70 60.0

Web Links Legend

10-Day Min/Max Forecast NR = Forecasted temperatures not recorded

Previous Days Min/Max Actuals 100 = Previous day actual temperatures in red and bolded indicate a record temperature for that date

9 Days 10 Days

Redding (RDD) Daily Air Temperatures (°F)

8 Days

D

A

T

E

Forecasted

4 Days 5 Days 6 Days

Actual

Previous Day Current Day 1 Day 2 Days 3 Days 7 Days
3

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

TCD N/A Shasta Power Plant N/A BSF 56.0 05/25/2018

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

RDB Sacramento River 58 miles downstream of Keswick Dam Click Here Notes

IGO Clear Creek 7.3 miles downstream of Whiskeytown Dam Click Here

LWS Trinity River 1.1 miles downstream of Lewiston Dam Click Here 1 Distances are approximate

DGC2 Trinity River 19 miles downstream of Lewiston Dam Click Here 2 DGC is only reported in September

NFH3 Trinity River 38 miles downstream of Lewiston Dam Click Here 3 NFH is only reported in October, November and December

Station Details Temperature Control Point

40

46

52

58

64

70

47

48

49

50

51

52

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)

Mean Daily Temperatures

TCD KWK SAC CCR BSF RDD (Air)
4

03/01 47.8 48.1 48.3 48.5 48.2

03/02 48.0 48.1 48.2 48.4 48.3

03/03 48.2 48.4 48.3 48.5 48.8

03/04 48.2 48.4 48.4 48.6 48.8

03/05 48.0 48.0 48.4 48.6 48.3

03/06 49.1 48.6 48.4 48.5 49.3

03/07 48.1 48.1 48.2 48.3 49.1

03/08 48.1 48.3 48.2 48.3 48.5

03/09 47.6 47.8 48.2 48.2 47.8

03/10 48.3 48.6 48.2 48.3 48.3

03/11 48.5 48.8 48.2 48.3 48.6

03/12 48.4 48.7 48.3 48.4 48.7

03/13 48.4 48.7 48.2 48.4 48.5

03/14 48.6 48.8 48.3 48.5 48.5

03/15 48.8 49.2 48.4 48.7 48.8

03/16 48.9 49.3 48.6 48.9 49.1

03/17 48.9 49.4 48.6 49.0 49.3

03/18 49.0 49.6 48.7 49.1 49.6

03/19 48.9 49.2 48.8 49.2 49.6

03/20 48.9 49.2 48.9 49.2 49.8

03/21 49.5 50.3 49.0 49.5 50.1

03/22 49.0 49.4 49.0 49.5 49.6

03/23 50.1 50.4 49.2 49.6 50.3

03/24 50.4 50.9 49.4 49.9 50.5

03/25 49.6 49.4 49.5 49.8 49.9

03/26 49.6 49.9 49.6 49.9 50.4

03/27 50.4 50.2 49.8 50.1 51.1

03/28- 49.6- 50.0 49.4

03/29- 50.2- 50.1 50.7

03/30- 50.6- 50.1 50.7

03/31- 50.8- 50.1 51.1

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

40

45

50

55

60

65

70

75

80

47

48

49

50

51

13579 11 13 15 17 19 21 23 25 27 29 31

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

47

48

49

50

51

13579 11 13 15 17 19 21 23 25 27 29 31

Water Temperature (°F)

7DADM
5

Latest Profile Date: 03/26/2019

0

300

600

900

1200

1500

1800

2100

2400

2700

3000

3300

3600

3900

4200

4500

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Shasta Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage
6

Latest Profile Date: 03/12/2019

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Trinity Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage
7

Latest Profile Date: 03/11/2019

0

20

40

60

80

100

120

140

160

180

200

220

240

260

280

300

1-Jan 1-Feb 1-Mar 1-Apr 1-May 1-Jun 1-Jul 1-Aug 1-Sep 1-Oct 1-Nov 1-Dec

Storage, in TAF

Whiskeytown Lake Isothermobaths - 2019

(Water Temperature, in °F)

Total Daily Storage