Report Generated 05/03/2017 at 1030

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

April - 2017
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Mar 10690 1691 17033 54.1 55.3 47.6

04/01 51.0 50.2 48.8 50.9 51.1 51.5 52.6 53.0 53.1 53.7 50.2 47.0 - 9138 14 8737 70.5 66.0 67.7 53.5

04/02 51.2 50.6 48.5 51.0 51.4 51.8 53.5 54.4 54.6 55.2 51.1 ? 48.0 - 8916 852 8644 67.0 64.6 65.7 56.4

04/03 51.4 50.5 48.5 51.0 51.2 51.5 52.8 53.7 54.1 55.0 49.9 47.7 - 8346 1105 8669 61.5 60.2 62.2 51.2

04/04 51.0 50.1 48.6 51.0 51.1 51.4 52.7 53.5 53.8 54.6 50.1 48.4 - 8960 932 8694 61.5 59.4 60.9 55.2

04/05 50.9 49.9 48.7 50.7 50.8 51.2 52.4 53.2 53.6 54.4 50.0 47.8 - 8875 1190 8694 60.0 59.1 61.0 53.9

04/06 50.6 49.9 48.6 50.5 50.7 50.7 51.7 52.3 52.8 53.4 49.5 48.0 - 8577 806 8691 53.5 52.2 53.1 44.8

04/07 49.2 ? 48.3 48.6 50.1 50.9 50.6 52.6 52.5 52.6 52.9 49.9 47.8 - 7181 2093 9050 54.0 53.4 53.9 44.8

04/08 50.2 49.5 48.9 49.3 49.8 49.9 51.7 51.9 52.3 52.8 49.1 46.9 - 8741 808 8812 50.0 48.6 48.6 41.2

04/09 50.4 49.7 48.8 49.9 50.2 50.4 51.7 51.8 52.0 52.5 49.5 46.6 - 8620 912 8770 51.5 51.1 50.8 44.5

04/10 50.8 49.9 48.9 50.2 50.5 50.7 52.1 52.5 52.7 53.3 49.9 46.6 - 8816 779 8698 55.0 55.8 55.5 48.5

04/11 50.8 49.9 49.0 50.3 50.4 50.5 51.5 52.1 52.6 53.4 49.3 46.4 - 8366 873 8937 54.0 53.6 54.3 47.2

04/12 49.8 49.2 48.8 50.2 50.4 50.5 51.5 51.7 52.0 52.4 50.2 46.4 - 10318 839 11281 53.5 56.0 57.0 46.9

04/13 50.3 49.3 48.9 49.5 49.4 49.6 50.6 50.9 51.3 52.0 49.5 46.0 - 13679 660 17654 47.5 49.0 50.7 43.4

04/14 50.9 49.7 49.1 49.6 49.6 49.8 50.2 50.3 50.4 51.0 48.7 45.9 - 13615 1057 20955 ↓ 48.0 47.6 49.2 42.5

04/15 51.3 50.0 49.2 50.0 50.0 50.2 50.7 50.9 51.1 51.8 49.7 46.3 - 13502 1468 22556 56.0 52.0 53.6 46.5

04/16 51.2 49.8 49.1 50.0 49.9 50.1 50.6 50.8 51.2 51.6 49.0 46.2 - 13779 1193 22460 51.0 49.8 50.6 44.3

04/17 50.8 49.6 49.2 49.7 49.6 49.8 50.4 50.5 50.7 51.3 50.0 46.3 - 14001 1037 22451 56.0 55.3 55.8 47.8

04/18 50.7 49.4 49.4 49.8 50.0 50.1 ? 51.1 51.6 51.7 52.5 52.4 46.0 - 13659 681 25572 61.0 58.6 59.0 53.0

04/19 51.0 49.6 49.4 49.7 49.7 49.9 50.8 51.5 51.7 52.8 51.6 45.7 - 13857 1262 26855 56.5 55.0 55.5 47.1

04/20 51.2 49.8 49.2 49.8 49.9 50.1 51.1 51.6 51.6 52.8 51.1 46.6 - 14202 833 26377 57.0 57.5 58.7 48.7

04/21 51.9 50.2 49.2 50.1 50.1 50.4 51.2 51.7 52.0 53.1 51.5 48.0 - 14493 572 26352 65.0 59.2 60.7 53.4

04/22 51.6 50.1 49.3 50.2 50.2 50.5 51.4 52.1 52.3 53.4 51.7 47.8 - 15458 130 26899 60.0 58.8 59.7 53.9

04/23 51.4 50.0 49.7 50.1 50.1 50.4 51.3 52.1 52.3 53.6 51.4 47.6 - 15228 67 28032 59.0 60.3 62.0 51.5

04/24 50.9 49.7 49.4 49.8 49.8 50.0 50.9 51.7 52.0 53.2 51.0 48.2 - 16893 219 28046 56.0 57.2 58.0 50.8

04/25 51.2 50.0 49.9 49.8 49.7 49.9 50.6 51.2 51.3 52.3 50.8 47.0 - 16436 38 22653 57.0 56.2 58.9 50.0

04/26 51.3 50.3 49.7 50.4 50.3 50.6 51.2 51.8 51.9 52.6 51.1 44.9 - 17351 163 18492 60.5 59.3 59.8 52.5

04/27 51.8 51.0 49.9 50.7 50.8 51.0 51.9 52.6 52.6 53.3 51.3 44.5 - 16969 141 15477 58.0 58.3 60.8 50.4

04/28 52.6 51.7 50.0 51.6 51.6 51.9 52.7 53.4 53.5 54.0 51.1 44.7 - 12334 903 12929 59.5 58.3 59.8 49.9

04/29 53.0 52.1 50.0 52.0 52.2 52.6 53.5 54.2 54.3 54.9 51.5 44.7 - 11642 668 11190 63.5 60.7 63.0 54.3

04/30 52.8 52.0 50.1 52.7 53.0 53.4 54.6 55.4 55.5 56.4 52.4 45.1 - 10678 422 10065 66.5 64.5 66.9 57.8

-

Apr 12088 757 16423 56.6 57.8 49.5

362630 22717 492692

Legend Notes 719262 45058 977234

? = 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

 = Monthly Averages

51.7

Total AF

RDB

Total CFS

IGO -----

50.5 46.6

LWS

46.3

52.2

Mean Daily 

Air Temperatures (°F)

50.2 50.7

57.7

RDD

-

55.7

BND

52.5 53.2

47.6 47.8 48.0 48.2 49.4 50.0

51.1 50.1 49.2 50.4 50.5 50.7

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

48.0 47.3 48.4 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2 3
2

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

04/01 49 79 64.0 56 80 68.0 53 75 64.0 46 72 59.0 45 74 59.5 49 75 62.0 50 70 60.0 49 68 58.5 47 68 57.5 44 69 56.5 45 70 57.5 48 77 62.5

04/02 56 85 70.5 59 76 67.5 47 73 60.0 44 75 59.5 48 75 61.5 49 66 57.5 47 62 54.5 44 62 53.0 41 64 52.5 42 71 56.5 45 75 60.0 48 74 61.0

04/03 54 80 67.0 54 75 64.5 45 75 60.0 49 74 61.5 48 64 56.0 47 60 53.5 45 61 53.0 42 62 52.0 39 68 53.5 41 68 54.5 43 69 56.0 49 72 60.5

04/04 49 74 61.5 51 74 62.5 50 71 60.5 48 64 56.0 48 57 52.5 44 60 52.0 39 60 49.5 42 64 53.0 41 68 54.5 45 71 58.0 49 74 61.5 51 72 61.5

04/05 50 73 61.5 50 73 61.5 50 65 57.5 50 59 54.5 43 58 50.5 36 63 49.5 42 67 54.5 44 71 57.5 46 69 57.5 45 75 60.0 46 77 61.5 48 70 59.0

04/06 50 70 60.0 50 62 56.0 49 59 54.0 43 58 50.5 35 64 49.5 42 67 54.5 46 68 57.0 48 68 58.0 46 66 56.0 46 68 57.0 47 70 58.5 47 74 60.5

04/07 48 59 53.5 51 59 55.0 42 57 49.5 35 63 49.0 43 65 54.0 43 69 56.0 47 63 55.0 46 65 55.5 44 66 55.0 42 66 54.0 46 73 59.5 49 76 62.5

04/08 46 62 54.0 41 57 49.0 38 61 49.5 45 63 54.0 44 64 54.0 49 63 56.0 48 63 55.5 44 68 56.0 43 71 57.0 45 74 59.5 48 74 61.0 50 75 62.5

04/09 41 59 50.0 41 61 51.0 44 64 54.0 43 61 52.0 50 63 56.5 49 62 55.5 43 65 54.0 44 69 56.5 44 72 58.0 44 69 56.5 47 72 59.5 47 76 61.5

04/10 41 62 51.5 46 66 56.0 44 59 51.5 48 60 54.0 44 58 51.0 40 65 52.5 42 70 56.0 44 64 54.0 43 61 52.0 46 69 57.5 48 74 61.0 48 73 60.5

04/11 45 65 55.0 49 60 54.5 48 59 53.5 45 58 51.5 36 65 50.5 41 69 55.0 44 66 55.0 46 65 55.5 44 70 57.0 48 76 62.0 48 74 61.0 51 80 65.5

04/12 49 59 54.0 53 59 56.0 44 57 50.5 37 63 50.0 41 71 56.0 47 67 57.0 50 64 57.0 47 67 57.0 45 68 56.5 45 75 60.0 49 78 63.5 51 80 65.5

04/13 48 59 53.5 44 57 50.5 36 62 49.0 41 70 55.5 46 63 54.5 48 64 56.0 49 66 57.5 45 64 54.5 46 74 60.0 45 78 61.5 47 81 64.0 55 80 67.5

04/14 38 57 47.5 34 64 49.0 42 71 56.5 45 61 53.0 46 64 55.0 48 66 57.0 44 64 54.0 45 67 56.0 46 78 62.0 50 83 66.5 51 84 67.5 56 82 69.0

04/15 33 63 48.0 43 72 57.5 47 63 55.0 47 64 55.5 50 67 58.5 44 63 53.5 44 68 56.0 46 76 61.0 48 82 65.0 51 84 67.5 52 86 69.0 54 80 67.0

04/16 42 70 56.0 46 62 54.0 48 64 56.0 51 68 59.5 45 66 55.5 45 69 57.0 46 78 62.0 51 80 65.5 53 86 69.5 54 87 70.5 54 82 68.0 52 78 65.0

04/17 44 58 51.0 51 64 57.5 50 69 59.5 46 68 57.0 47 68 57.5 46 79 62.5 50 76 63.0 51 79 65.0 54 85 69.5 53 83 68.0 51 84 67.5 55 81 68.0

04/18 51 61 56.0 53 69 61.0 46 66 56.0 46 69 57.5 46 79 62.5 50 77 63.5 49 76 62.5 51 77 64.0 54 81 67.5 51 79 65.0 53 86 69.5 52 76 64.0

04/19 53 69 61.0 52 66 59.0 47 69 58.0 47 80 63.5 50 76 63.0 50 77 63.5 48 73 60.5 49 69 59.0 51 83 67.0 51 84 67.5 49 78 63.5 49 78 63.5

04/20 49 64 56.5 46 68 57.0 47 77 62.0 49 73 61.0 49 73 61.0 47 69 58.0 50 67 58.5 52 70 61.0 48 75 61.5 49 80 64.5 50 81 65.5 52 76 64.0

04/21 45 69 57.0 49 79 64.0 50 72 61.0 48 71 59.5 48 68 58.0 50 65 57.5 50 68 59.0 47 70 58.5 51 80 65.5 50 77 63.5 52 81 66.5 49 76 62.5

04/22 48 82 65.0 49 72 60.5 48 70 59.0 49 65 57.0 49 63 56.0 50 71 60.5 47 72 59.5 48 73 60.5 52 80 66.0 51 80 65.5 52 82 67.0 55 79 67.0

04/23 49 71 60.0 47 71 59.0 49 63 56.0 46 63 54.5 49 68 58.5 48 72 60.0 47 74 60.5 48 80 64.0 54 87 70.5 57 90 73.5 58 92 75.0 58 87 72.5

04/24 47 71 59.0 54 63 58.5 44 67 55.5 49 68 58.5 47 71 59.0 45 71 58.0 46 77 61.5 48 81 64.5 55 86 70.5 55 84 69.5 55 88 71.5 57 85 71.0

04/25 48 64 56.0 47 69 58.0 51 68 59.5 46 72 59.0 46 74 60.0 48 77 62.5 49 82 65.5 55 80 67.5 53 77 65.0 51 81 66.0 50 85 67.5 56 84 70.0

04/26 47 67 57.0 54 68 61.0 47 73 60.0 45 74 59.5 47 81 64.0 50 83 66.5 51 80 65.5 54 82 68.0 56 86 71.0 56 88 72.0 56 91 73.5 58 86 72.0

04/27 52 69 60.5 45 72 58.5 46 74 60.0 47 82 64.5 51 84 67.5 55 83 69.0 55 84 69.5 56 88 72.0 62 92 77.0 60 96 78.0 57 90 73.5 55 87 71.0

04/28 43 73 58.0 47 74 60.5 48 80 64.0 52 82 67.0 54 83 68.5 61 86 73.5 58 90 74.0 60 89 74.5 59 91 75.0 58 87 72.5 53 85 69.0 54 84 69.0

04/29 45 74 59.5 44 81 62.5 52 81 66.5 53 83 68.0 55 87 71.0 59 91 75.0 61 86 73.5 58 80 69.0 61 90 75.5 58 87 72.5 54 78 66.0 54 81 67.5

04/30 44 83 63.5 47 83 65.0 52 85 68.5 59 87 73.0 62 93 77.5 62 89 75.5 59 80 69.5 54 73 63.5 50 75 62.5 51 77 64.0 53 86 69.5 57 86 71.5

- 86

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

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 9 Days 10 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 06/17/16 - 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

45

50

55

60

65

70

75

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 29 30

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

04/01 52.6 53.5 51.1 51.4 52.6

04/02 52.7 53.7 51.5 52.1 53.5

04/03 52.7 53.5 51.9 52.5 52.8

04/04 52.4 52.8 52.1 52.7 52.7

04/05 51.8 52.3 52.3 53.0 52.4

04/06 51.6 51.1 52.3 52.8 51.7

04/07 51.7 51.5 52.2 52.6 52.6

04/08 50.5 50.8 51.9 52.2 51.7

04/09 51.5 52.0 51.7 52.0 51.7

04/10 51.9 52.6 51.6 51.9 52.1

04/11 51.0 51.2 51.4 51.6 51.5

04/12 50.8 51.0 51.3 51.5 51.5

04/13 49.8 50.1 51.0 51.3 50.6

04/14 50.3 50.5 50.8 51.2 50.2

04/15 50.5 50.9 50.8 51.2 50.7

04/16 50.3 50.6 50.7 51.0 50.6

04/17 49.9 50.0 50.4 50.6 50.4

04/18 50.2 50.7 50.3 50.5 51.1

04/19 50.0 50.4 50.1 50.5 50.8

04/20 50.5 50.8 50.2 50.6 51.1

04/21 51.0 51.3 50.3 50.7 51.2

04/22 50.6 51.0 50.4 50.7 51.4

04/23 50.6 51.0 50.4 50.7 51.3

04/24 50.0 50.3 50.4 50.8 50.9

04/25 50.3 50.6 50.4 50.8 50.6

04/26 50.9 51.3 50.6 50.9 51.2

04/27 51.4 51.9 50.7 51.1 51.9

04/28 52.2 52.8 50.9 51.3 52.7

04/29 52.7 53.8 51.2 51.7 53.5

04/30 54.2 55.3 51.7 52.3 54.6 -

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

56

61

66

71

76

81

86

49

50

51

52

53

54

55

13579 11 13 15 17 19 21 23 25 27 29

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 27 291

Water Temperature (°F)

7DADM