Report Generated 01/26/2018 at 0758

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 - Lake Shasta Isothermalbaths Plot

5 - Daily Maximum and 7DADM 

x - TCD Configuration (External Link)

All Data in this Report is Preliminary and Subject to Change

Northern CVP Water Temperature Report

December - 2017
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Nov 4985 60 5127 51.4 53.0 44.7

12/01 53.0 52.4 54.4 52.5 52.3 52.3 51.7 51.3 51.1 50.9 51.3 45.5 45.6 4615 14 4433 48.0 43.3 46.1 38.2

12/02 53.2 52.5 54.1 52.5 52.2 52.1 51.3 50.8 50.8 50.8 51.3 45.4 45.4 4046 14 4433 44.5 43.3 45.7 39.3

12/03 53.0 52.5 53.9 52.2 52.0 52.1 51.7 51.3 51.1 50.9 51.1 44.4 45.2 3909 14 4428 46.5 45.3 49.3 38.3

12/04 53.3 52.6 53.8 52.1 51.7 51.5 50.5 50.0 49.9 50.1 50.3 43.5 44.1 4404 14 4439 48.5 48.1 48.5 34.3

12/05 53.3 52.8 53.5 52.0 51.7 51.7 50.5 49.8 49.4 ? 49.0 50.4 43.0 42.7 4953 14 4428 56.5 45.8 50.2 33.3

12/06 53.2 52.7 53.3 52.1 51.8 51.8 50.8 50.4 50.1 49.7 50.5 42.8 41.7 4592 14 4427 ↑ 61.5 47.8 54.0 35.8

12/07 53.0 52.5 53.1 52.3 52.0 52.0 50.8 50.4 50.1 49.9 50.0 41.7 41.5 4298 14 4431 ↑ 53.0 44.6 52.3 33.2

12/08 52.9 52.3 52.9 52.3 52.0 52.0 50.9 50.4 50.2 49.9 50.0 41.9 40.9 4344 14 4425 48.5 42.6 47.8 34.0

12/09 52.8 52.3 52.5 52.2 51.9 52.0 50.8 50.4 50.1 ? 49.8 49.8 42.4 41.5 4080 14 4432 49.5 42.5 47.2 35.0

12/10 52.8 52.3 52.2 52.0 51.7 51.8 50.6 50.2 50.0 49.7 49.2 42.3 41.8 4354 14 4433 ↑ 51.0 42.9 47.8 34.8

12/11 52.7 52.2 52.0 51.9 51.6 51.6 50.3 50.0 49.7 49.5 48.9 42.2 41.5 4350 14 4430 ↑ 50.0 41.4 47.1 34.0

12/12 52.7 52.2 51.9 51.8 51.5 51.5 50.2 49.8 49.5 49.1 48.8 42.5 41.1 4278 14 4432 ↑ 47.5 40.6 44.6 33.0

12/13 52.7 52.2 51.5 51.7 51.4 51.3 50.1 49.6 49.3 48.9 48.9 42.6 41.4 4969 216 4434 48.0 40.3 43.3 33.3

12/14 52.5 52.1 51.7 51.8 51.6 51.8 50.8 50.3 49.9 49.3 49.3 42.7 41.6 4128 24 4438 ↑ 66.5 48.7 51.8 36.0

12/15 52.4 51.9 51.1 51.9 51.6 51.5 50.6 50.5 50.4 50.1 48.9 43.2 42.0 4387 66 4438 47.0 43.9 47.3 38.1

12/16 52.5 51.9 51.0 51.7 51.5 51.4 50.4 50.1 49.9 49.5 48.5 42.8 42.3 4695 14 4427 55.5 53.9 54.8 35.0

12/17 52.4 52.0 51.0 51.5 51.3 51.2 50.2 49.7 49.4 49.1 48.7 41.5 41.1 4312 17 4434 56.5 55.3 56.0 34.1

12/18 52.1 51.7 50.8 51.5 51.2 51.3 50.5 50.3 50.1 49.7 48.5 41.7 40.7 3951 125 4462 48.5 44.0 46.0 35.4

12/19 52.0 51.5 50.5 ? 51.5 51.2 51.1 50.0 49.7 49.6 49.3 48.5 42.5 41.2 4583 14 4470 42.5 41.2 43.7 39.3

12/20 51.9 51.4 50.4 ? 51.3 51.0 51.0 50.1 49.9 49.6 49.2 48.1 42.1 42.2 4162 17 4480 42.5 41.2 46.1 35.5

12/21 52.0 51.5 50.6 50.9 50.5 50.4 49.2 48.8 48.6 48.5 47.4 41.1 40.7 4370 15 4462 44.0 41.4 43.1 30.5

12/22 51.7 51.3 50.6 50.7 50.4 50.3 49.2 48.7 48.5 48.0 47.8 41.4 39.8 4320 15 4464 40.5 40.3 41.8 34.0

12/23 51.6 51.1 50.1 50.9 50.6 50.7 49.8 49.6 49.3 48.8 48.1 42.2 41.3 4303 34 4525 48.5 45.1 47.7 37.5

12/24 51.6 51.1 49.8 51.0 50.6 50.7 49.9 49.8 49.6 49.4 47.8 42.6 42.1 4592 37 4542 42.5 42.5 44.4 37.8

12/25 51.4 50.9 49.7 50.8 50.5 50.6 49.7 49.4 49.2 48.9 47.6 42.7 42.9 4329 14 4538 48.5 42.9 45.7 39.0

12/26 51.3 50.8 49.5 50.7 50.5 50.5 49.5 49.3 49.1 48.9 47.5 42.8 42.9 4222 14 4542 45.0 40.8 44.7 36.6

12/27 51.2 50.7 49.5 50.7 50.4 50.4 49.5 49.2 49.0 48.7 47.3 42.7 42.7 4294 14 4536 46.5 41.0 44.4 36.0

12/28 52.3 51.5 49.4 50.6 50.3 50.4 49.6 49.3 49.1 48.8 47.5 42.4 42.2 4323 21 4533 46.5 41.7 44.8 35.8

12/29 52.9 52.5 49.3 50.5 50.2 50.2 49.1 48.9 48.8 48.7 47.1 42.1 42.2 4437 14 4542 44.5 39.4 44.8 35.3

12/30 52.8 52.3 49.1 51.2 50.9 50.8 49.7 49.2 48.9 48.5 47.4 42.3 42.5 4609 14 4538 51.0 45.0 47.0 39.7

12/31 52.7 52.2 49.0 51.9 51.7 ? 51.7 50.6 50.3 50.0 49.4 47.6 43.0 43.5 4519 14 4536 49.5 45.9 48.4 41.5

Dec 4378 28 4468 44.0 47.3 35.9

135728 867 138512

Legend Notes 269211 1720 274733

? = 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 NFH is only reported in October, November and December

↓ = Record low air temperature

 = Monthly Averages

51.3

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

53.2 52.5 53.0 48.0

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2

52.4 51.9 51.4 51.6 51.3

54.8 52.7 52.7 52.8 52.9 52.9

Mean Daily 

Air Temperatures (°F)

53.0 53.2

49.0

RDD

42.2

53.2

BND

50.3 49.7 49.4

Total AF

RDB

Total CFS

IGO NFH 

48.8 42.6

LWS

47.0

49.9

3
2

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

12/01 40 62 51.0 36 61 48.5 41 55 48.0 37 53 45.0 32 57 44.5 34 63 48.5 37 64 50.5 37 64 50.5 40 68 54.0 40 66 53.0 40 64 52.0 42 64 53.0

12/02 36 60 48.0 37 55 46.0 36 53 44.5 32 57 44.5 34 61 47.5 36 64 50.0 36 66 51.0 36 66 51.0 42 68 55.0 39 66 52.5 39 59 49.0 37 61 49.0

12/03 37 52 44.5 37 53 45.0 34 57 45.5 35 62 48.5 37 63 50.0 38 64 51.0 37 66 51.5 38 64 51.0 42 69 55.5 33 64 48.5 38 62 50.0 35 63 49.0

12/04 35 58 46.5 39 57 48.0 36 61 48.5 37 64 50.5 36 63 49.5 36 66 51.0 36 67 51.5 37 66 51.5 41 69 55.0 37 65 51.0 39 61 50.0 38 63 50.5

12/05 39 58 48.5 48 62 55.0 35 64 49.5 36 64 50.0 36 63 49.5 37 66 51.5 36 66 51.0 36 65 50.5 38 67 52.5 36 68 52.0 39 65 52.0 40 64 52.0

12/06 47 66 56.5 54 65 59.5 35 64 49.5 34 65 49.5 36 66 51.0 35 67 51.0 37 67 52.0 38 67 52.5 41 71 56.0 40 65 52.5 38 64 51.0 38 63 50.5

12/07 53 70 61.5 38 67 52.5 35 65 50.0 36 68 52.0 37 68 52.5 35 66 50.5 37 66 51.5 38 65 51.5 43 70 56.5 42 67 54.5 41 64 52.5 39 60 49.5

12/08 34 72 53.0 35 71 53.0 35 71 53.0 36 68 52.0 34 67 50.5 38 65 51.5 39 68 53.5 41 68 54.5 40 70 55.0 38 65 51.5 41 62 51.5 37 60 48.5

12/09 32 65 48.5 31 66 48.5 37 66 51.5 37 66 51.5 38 67 52.5 39 68 53.5 41 70 55.5 42 67 54.5 42 66 54.0 41 68 54.5 43 64 53.5 41 60 50.5

12/10 30 69 49.5 30 70 50.0 33 71 52.0 35 71 53.0 36 69 52.5 40 69 54.5 41 66 53.5 41 66 53.5 42 67 54.5 40 64 52.0 39 60 49.5 39 56 47.5

12/11 29 73 51.0 30 71 50.5 34 72 53.0 37 74 55.5 41 74 57.5 40 66 53.0 43 66 54.5 44 65 54.5 45 68 56.5 39 65 52.0 41 64 52.5 37 61 49.0

12/12 30 70 50.0 29 72 50.5 37 75 56.0 42 72 57.0 41 68 54.5 39 64 51.5 41 66 53.5 41 67 54.0 43 69 56.0 42 59 50.5 38 57 47.5 34 54 44.0

12/13 27 68 47.5 29 72 50.5 42 72 57.0 40 68 54.0 37 66 51.5 38 68 53.0 39 66 52.5 38 65 51.5 39 67 53.0 39 63 51.0 41 62 51.5 35 59 47.0

12/14 29 67 48.0 59 68 63.5 31 62 46.5 31 60 45.5 27 64 45.5 37 64 50.5 37 61 49.0 36 58 47.0 37 57 47.0 37 59 48.0 36 58 47.0 32 54 43.0

12/15 57 76 66.5 35 63 49.0 35 58 46.5 37 63 50.0 35 63 49.0 35 61 48.0 37 57 47.0 33 60 46.5 39 66 52.5 35 67 51.0 44 66 55.0 42 65 53.5

12/16 35 59 47.0 50 57 53.5 38 63 50.5 36 64 50.0 36 63 49.5 36 57 46.5 32 59 45.5 32 61 46.5 38 68 53.0 39 64 51.5 36 60 48.0 36 62 49.0

12/17 50 61 55.5 46 68 57.0 36 64 50.0 35 60 47.5 37 55 46.0 30 58 44.0 30 60 45.0 31 61 46.0 46 66 56.0 37 63 50.0 39 61 50.0 39 59 49.0

12/18 45 68 56.5 36 63 49.5 35 59 47.0 35 53 44.0 29 57 43.0 30 56 43.0 31 56 43.5 30 56 43.0 36 64 50.0 37 60 48.5 40 59 49.5 36 60 48.0

12/19 34 63 48.5 35 57 46.0 33 52 42.5 29 56 42.5 30 55 42.5 31 59 45.0 33 58 45.5 32 58 45.0 40 58 49.0 43 62 52.5 40 61 50.5 39 60 49.5

12/20 35 50 42.5 36 52 44.0 29 56 42.5 29 55 42.0 33 59 46.0 36 61 48.5 35 60 47.5 35 58 46.5 39 59 49.0 38 58 48.0 35 56 45.5 33 57 45.0

12/21 31 54 42.5 32 56 44.0 29 56 42.5 33 60 46.5 36 60 48.0 36 58 47.0 34 58 46.0 32 58 45.0 39 59 49.0 31 56 43.5 30 56 43.0 35 58 46.5

12/22 31 57 44.0 34 54 44.0 32 58 45.0 36 58 47.0 35 61 48.0 35 59 47.0 34 59 46.5 32 60 46.0 42 66 54.0 42 66 54.0 41 64 52.5 39 61 50.0

12/23 32 49 40.5 39 58 48.5 37 57 47.0 35 61 48.0 34 60 47.0 33 60 46.5 35 62 48.5 37 63 50.0 42 66 54.0 40 64 52.0 41 61 51.0 38 60 49.0

12/24 39 58 48.5 36 58 47.0 35 63 49.0 34 62 48.0 36 62 49.0 36 62 49.0 35 61 48.0 38 61 49.5 39 59 49.0 39 57 48.0 40 58 49.0 37 59 48.0

12/25 36 49 42.5 34 61 47.5 35 61 48.0 37 62 49.5 36 63 49.5 36 62 49.0 37 63 50.0 38 63 50.5 44 66 55.0 42 64 53.0 40 62 51.0 39 62 50.5

12/26 33 64 48.5 30 61 45.5 36 62 49.0 36 64 50.0 36 63 49.5 38 64 51.0 38 64 51.0 38 62 50.0 43 69 56.0 40 66 53.0 40 59 49.5 41 62 51.5

12/27 30 60 45.0 32 62 47.0 34 63 48.5 34 62 48.0 35 63 49.0 35 61 48.0 37 61 49.0 37 61 49.0 41 69 55.0 37 64 50.5 40 62 51.0 40 64 52.0

12/28 30 63 46.5 33 63 48.0 34 63 48.5 36 62 49.0 36 62 49.0 38 61 49.5 37 63 50.0 38 62 50.0 47 66 56.5 43 65 54.0 46 64 55.0 43 58 50.5

12/29 32 61 46.5 30 62 46.0 34 62 48.0 35 62 48.5 35 62 48.5 37 61 49.0 37 60 48.5 38 60 49.0 44 60 52.0 43 62 52.5 43 58 50.5 42 57 49.5

12/30 30 59 44.5 36 64 50.0 35 64 49.5 35 65 50.0 36 64 50.0 38 60 49.0 40 56 48.0 39 58 48.5 49 62 55.5 41 61 51.0 41 58 49.5 40 59 49.5

12/31 35 67 51.0 36 63 49.5 36 66 51.0 38 65 51.5 40 63 51.5 42 57 49.5 40 59 49.5 37 58 47.5 44 58 51.0 41 64 52.5 44 61 52.5 40 60 50.0

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) Date Range

TCD N/A Shasta Power Plant N/A BSF 56.0 06/01/17 - Current

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

49

50

51

52

53

54

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

0

200

400

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

3000

3200

3400

3600

3800

4000

4200

4400

4600

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

Lake Shasta Isothermalbaths - 2017

(Water Temperature, in °F)

Total Daily Storage
5

12/01 53.1 53.3 53.5 53.7 51.7

12/02 52.8 52.7 53.3 53.5 51.3

12/03 53.0 53.2 53.2 53.4 51.7

12/04 52.6 52.5 53.0 53.1 50.5

12/05 52.8 52.9 52.9 53.0 50.5

12/06 52.9 53.0 52.9 53.0 50.8

12/07 53.1 53.3 52.9 53.0 50.8

12/08 53.1 53.2 52.9 53.0 50.9

12/09 53.1 53.2 52.9 53.0 50.8

12/10 52.8 53.1 52.9 53.0 50.6

12/11 52.6 52.8 52.9 53.1 50.3

12/12 52.7 52.8 52.9 53.1 50.2

12/13 52.3 52.4 52.8 53.0 50.1

12/14 52.7 52.9 52.8 52.9 50.8

12/15 52.2 52.3 52.6 52.8 50.6

12/16 52.3 52.4 52.5 52.7 50.4

12/17 52.2 52.2 52.4 52.5 50.2

12/18 52.2 52.4 52.4 52.5 50.5

12/19 51.6 51.5 52.2 52.3 50.0

12/20 51.9 51.9 52.2 52.2 50.1

12/21 51.4 51.4 52.0 52.0 49.2

12/22 50.8 50.9 51.8 51.8 49.2

12/23 51.5 51.5 51.7 51.7 49.8

12/24 50.9 51.0 51.5 51.5 49.9

12/25 51.4 51.6 51.4 51.4 49.7

12/26 51.5 51.7 51.3 51.4 49.5

12/27 51.4 51.6 51.3 51.4 49.5

12/28 51.2 51.6 51.2 51.4 49.6

12/29 51.3 51.3 51.3 51.5 49.1

12/30 52.0 52.2 51.4 51.6 49.7

12/31 52.5 52.6 51.6 51.8 50.6

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

50

51

52

53

54

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

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

50

51

52

53

54

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

Water Temperature (°F)

7DADM