Report Generated 09/01/2017 at 0733

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

August - 2017
1

Shasta 

Generation 

Spring Creek 

P.P.

Keswick 

Total BSF RDB LWS

Jul 8309 1551 9675 80.4 80.8 74.4

08/01 50.0 49.2 54.1 51.1 51.6 52.3 54.2 55.8 56.5 58.3 59.4 50.2 - 8464 1187 9588 ↑ 93.5 84.8 84.0 81.5

08/02 50.1 49.2 54.1 51.1 51.7 ? 52.3 54.5 56.2 56.9 58.7 59.6 50.3 - 8543 1210 9719 93.0 86.8 86.3 83.1

08/03 50.4 49.5 54.2 51.3 51.8 52.3 54.6 56.3 57.0 58.9 59.3 50.4 - 8842 1164 9738 92.5 86.9 86.9 81.8

08/04 50.6 49.8 54.2 51.3 51.8 52.3 54.4 56.0 56.8 58.7 58.9 50.4 - 8773 920 9519 89.0 82.5 83.0 77.8

08/05 50.6 49.9 54.3 51.6 52.1 52.6 54.7 56.2 56.8 58.4 59.0 50.6 - 8533 1024 9334 89.0 81.9 81.3 78.5

08/06 50.8 49.9 54.4 51.7 52.1 52.6 54.7 56.2 56.9 58.8 58.5 50.7 - 8538 1294 9403 84.5 77.2 77.3 73.9

08/07 50.8 50.0 54.4 51.7 52.2 52.6 54.8 56.4 57.1 58.6 59.0 50.7 - 7995 1253 9400 84.5 79.3 77.8 74.1

08/08 51.0 50.1 54.5 51.8 52.2 52.7 54.7 56.4 57.1 58.9 58.7 50.4 - 8419 1293 9405 86.0 80.0 78.4 74.6

08/09 51.0 50.1 54.4 51.8 52.2 52.7 ? 54.6 56.2 ? 56.9 58.7 58.5 50.8 - 8114 1430 9444 84.5 79.2 78.2 74.4

08/10 51.0 50.2 54.4 51.8 52.3 52.7 54.6 55.9 ? 56.6 58.2 58.6 51.1 - 8893 1272 9590 84.0 77.1 76.7 73.5

08/11 51.0 50.2 ? 54.6 52.1 52.5 52.9 54.8 56.2 56.8 58.2 58.8 51.3 - 7828 1581 9659 84.5 79.2 79.1 73.8

08/12 51.0 50.3 54.6 52.1 52.6 53.1 55.1 56.6 57.3 59.0 58.9 51.1 - 8943 1001 9564 86.0 80.4 79.4 73.7

08/13 51.0 50.3 54.5 52.1 52.6 53.1 55.0 56.4 57.1 58.9 58.6 50.9 - 8409 1286 9542 82.5 77.8 77.5 71.5

08/14 51.0 50.3 ? 54.6 52.2 52.7 53.2 55.2 56.7 57.4 59.0 58.8 51.6 - 8223 1730 9606 81.5 75.2 74.8 74.0

08/15 51.0 50.1 54.7 52.1 52.6 53.2 55.2 56.6 ? 57.3 59.0 58.7 51.3 - 8835 925 9596 79.0 73.6 72.3 71.8

08/16 51.1 50.1 54.7 52.0 52.4 52.8 54.7 56.2 57.0 58.7 58.7 51.2 - 9034 1215 9589 83.5 75.1 73.4 73.4

08/17 51.0 50.1 54.7 52.0 52.4 52.9 54.8 56.2 57.0 58.7 58.8 51.7 - 8790 1266 9570 ↑ 87.5 80.0 78.5 75.0

08/18 51.1 50.2 54.8 52.1 52.6 53.0 54.9 56.4 57.1 58.8 58.8 51.5 - 7957 1619 9454 87.0 80.5 78.5 75.8

08/19 51.2 50.2 54.8 52.2 52.5 53.0 54.8 56.3 57.1 58.8 58.5 51.0 - 8021 1230 9430 86.5 80.3 79.2 73.0

08/20 51.0 50.1 54.9 52.0 52.5 53.0 54.8 56.1 56.8 58.4 58.7 50.8 - 8453 1147 9531 86.0 79.3 78.2 74.1

08/21 51.3 50.3 ? 54.7 52.0 52.4 52.9 54.6 56.1 56.9 58.6 58.6 49.7 - 8567 1174 9589 81.5 75.8 74.8 74.4

08/22 51.0 50.1 54.7 51.9 52.3 52.8 54.7 55.9 ? 56.6 57.9 ? 58.9 49.4 - 9219 788 9703 82.5 76.4 75.5 75.2

08/23 50.7 ? 49.7 54.9 ? 52.0 52.4 ? 52.9 ? 54.7 ? 56.1 56.8 ? 58.2 58.9 ? 49.2 - 7890 1692 9704 86.0 79.5 79.5 73.3

08/24 50.8 49.8 54.9 51.9 52.3 52.8 54.6 55.9 56.7 58.3 58.7 50.0 - 8065 1595 9917 83.0 77.1 78.1 71.8

08/25 50.9 49.9 54.9 51.9 52.3 52.7 54.5 55.8 56.4 58.0 58.6 50.0 - 8366 1067 10147 83.0 76.4 77.1 72.8

08/26 50.8 49.9 54.8 51.7 52.1 52.6 54.2 55.5 56.2 57.7 ? 58.2 50.1 - 9019 1114 10121 83.5 76.9 79.3 72.7

08/27 ! - 49.8 54.9 51.7 52.1 52.5 54.1 55.4 56.1 57.7 58.3 ! - - 8213 1223 10051 ↑ 89.0 80.3 84.9 -

08/28 50.6 49.8 54.9 51.7 52.1 52.6 54.3 55.6 56.2 57.6 58.4 50.7 - 8240 1254 10051 ↑ 88.0 80.3 82.3 75.5

08/29 50.6 ? 49.6 54.9 51.8 52.4 53.0 54.8 56.1 56.8 58.1 58.7 50.7 - 7797 1238 8607 88.5 80.7 83.5 75.4

08/30 50.5 49.4 54.9 51.9 52.4 52.9 54.9 56.4 57.2 59.0 58.6 51.0 - 6970 1359 8399 84.5 77.4 79.3 71.8

08/31 50.2 49.1 54.9 52.0 52.4 52.9 54.7 56.0 56.8 58.3 58.1 50.2 - 6850 1077 8401 88.0 77.2 80.3 67.5

Aug 8348 1246 9528 79.2 79.2 74.7

258803 38628 295371

Legend Notes 513325 76617 585856

? = 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

52.8

D

A

T

E

Mean Daily Water Temperatures (°F) Mean Daily 

Release (CFS)

50.6 49.5 57.4 -

TCD SAC CCR JLF 1 SHD SPP1 KWK BSF2

50.8 49.9 54.6 51.8 52.3

53.3 51.5 52.0 52.7 54.9 56.6

Mean Daily 

Air Temperatures (°F)

57.2 59.3

85.9

RDD

-

85.7

BND

54.7 56.8 58.5

Total AF

RDB

Total CFS

IGO -----

58.7 50.6

LWS

49.0

56.1

3
2

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

08/01 70 106 88.0 74 114 94.0 77 112 94.5 75 107 91.0 72 103 87.5 68 105 86.5 67 104 85.5 65 104 84.5 71 103 87.0 71 103 87.0 70 101 85.5 67 100 83.5

08/02 74 113 93.5 77 114 95.5 77 108 92.5 73 105 89.0 70 103 86.5 64 103 83.5 64 103 83.5 64 103 83.5 69 103 86.0 69 100 84.5 70 101 85.5 68 101 84.5

08/03 76 110 93.0 76 109 92.5 73 104 88.5 70 102 86.0 66 102 84.0 68 101 84.5 67 103 85.0 69 102 85.5 70 102 86.0 70 103 86.5 68 99 83.5 66 98 82.0

08/04 74 111 92.5 75 105 90.0 76 104 90.0 70 100 85.0 68 102 85.0 65 102 83.5 67 103 85.0 66 103 84.5 70 104 87.0 69 101 85.0 69 99 84.0 66 98 82.0

08/05 74 104 89.0 78 100 89.0 64 99 81.5 64 100 82.0 64 101 82.5 66 103 84.5 65 105 85.0 67 104 85.5 71 104 87.5 68 103 85.5 66 97 81.5 65 95 80.0

08/06 77 101 89.0 72 99 85.5 65 101 83.0 65 102 83.5 67 102 84.5 64 105 84.5 64 104 84.0 65 103 84.0 70 102 86.0 69 100 84.5 68 99 83.5 66 98 82.0

08/07 71 98 84.5 69 100 84.5 67 102 84.5 67 102 84.5 66 103 84.5 65 103 84.0 65 102 83.5 65 101 83.0 67 99 83.0 66 95 80.5 64 93 78.5 64 95 79.5

08/08 68 101 84.5 71 100 85.5 66 100 83.0 66 100 83.0 66 101 83.5 70 100 85.0 68 98 83.0 66 96 81.0 67 101 84.0 68 100 84.0 69 100 84.5 67 100 83.5

08/09 71 101 86.0 71 101 86.0 70 102 86.0 73 102 87.5 71 101 86.0 70 97 83.5 64 92 78.0 60 93 76.5 66 100 83.0 67 103 85.0 68 100 84.0 66 99 82.5

08/10 70 99 84.5 70 101 85.5 71 102 86.5 71 101 86.0 70 97 83.5 68 95 81.5 62 95 78.5 63 101 82.0 69 106 87.5 70 106 88.0 69 100 84.5 66 100 83.0

08/11 69 99 84.0 69 102 85.5 67 101 84.0 66 98 82.0 65 95 80.0 63 97 80.0 66 101 83.5 67 103 85.0 70 104 87.0 69 103 86.0 68 98 83.0 65 97 81.0

08/12 68 101 84.5 72 101 86.5 64 99 81.5 64 93 78.5 61 98 79.5 64 103 83.5 64 104 84.0 65 104 84.5 70 104 87.0 68 102 85.0 65 97 81.0 63 94 78.5

08/13 71 101 86.0 67 99 83.0 65 94 79.5 63 97 80.0 64 103 83.5 63 104 83.5 65 105 85.0 65 102 83.5 68 99 83.5 65 95 80.0 64 92 78.0 63 94 78.5

08/14 66 99 82.5 71 94 82.5 61 96 78.5 63 102 82.5 65 103 84.0 66 102 84.0 66 102 84.0 65 99 82.0 67 98 82.5 66 94 80.0 66 95 80.5 65 98 81.5

08/15 70 93 81.5 65 94 79.5 62 101 81.5 64 102 83.0 65 103 84.0 67 102 84.5 65 99 82.0 64 97 80.5 66 100 83.0 65 98 81.5 63 95 79.0 63 97 80.0

08/16 64 94 79.0 66 102 84.0 64 104 84.0 65 103 84.0 66 102 84.0 65 101 83.0 64 101 82.5 64 97 80.5 70 100 85.0 67 99 83.0 65 95 80.0 64 98 81.0

08/17 64 103 83.5 67 104 85.5 64 104 84.0 66 103 84.5 65 101 83.0 68 102 85.0 67 97 82.0 66 97 81.5 67 96 81.5 66 98 82.0 66 98 82.0 64 99 81.5

08/18 66 109 87.5 61 109 85.0 68 106 87.0 65 103 84.0 66 102 84.0 67 98 82.5 66 98 82.0 64 96 80.0 67 98 82.5 64 100 82.0 64 97 80.5 63 96 79.5

08/19 69 105 87.0 70 103 86.5 67 103 85.0 65 102 83.5 65 99 82.0 68 98 83.0 65 98 81.5 65 99 82.0 65 100 82.5 64 100 82.0 64 97 80.5 63 97 80.0

08/20 70 103 86.5 68 102 85.0 69 100 84.5 67 97 82.0 70 98 84.0 68 97 82.5 61 98 79.5 61 100 80.5 64 102 83.0 64 102 83.0 64 98 81.0 63 97 80.0

08/21 68 104 86.0 70 100 85.0 65 97 81.0 69 98 83.5 65 98 81.5 65 100 82.5 61 102 81.5 61 103 82.0 69 106 87.5 69 105 87.0 66 100 83.0 63 96 79.5

08/22 70 93 81.5 69 97 83.0 65 99 82.0 64 98 81.0 63 100 81.5 65 103 84.0 63 104 83.5 62 103 82.5 67 104 85.5 64 103 83.5 64 99 81.5 64 98 81.0

08/23 68 97 82.5 69 100 84.5 63 97 80.0 62 99 80.5 63 103 83.0 63 105 84.0 63 104 83.5 63 103 83.0 67 105 86.0 65 101 83.0 65 97 81.0 63 93 78.0

08/24 68 104 86.0 67 99 83.0 61 99 80.0 61 103 82.0 62 105 83.5 62 105 83.5 62 103 82.5 62 103 82.5 66 102 84.0 68 104 86.0 67 102 84.5 65 99 82.0

08/25 66 100 83.0 65 100 82.5 63 104 83.5 65 105 85.0 66 105 85.5 65 104 84.5 64 103 83.5 63 103 83.0 69 106 87.5 69 106 87.5 69 101 85.0 65 99 82.0

08/26 65 101 83.0 62 105 83.5 63 109 86.0 65 109 87.0 64 104 84.0 63 102 82.5 62 104 83.0 66 107 86.5 69 107 88.0 69 106 87.5 69 99 84.0 64 97 80.5

08/27 61 106 83.5 69 108 88.5 69 107 88.0 68 106 87.0 65 103 84.0 63 107 85.0 67 110 88.5 68 108 88.0 70 108 89.0 69 106 87.5 69 100 84.5 64 96 80.0

08/28 67 111 89.0 67 111 89.0 68 107 87.5 65 102 83.5 64 107 85.5 68 110 89.0 68 110 89.0 68 107 87.5 69 107 88.0 69 104 86.5 68 99 83.5 63 96 79.5

08/29 66 110 88.0 70 108 89.0 64 103 83.5 63 107 85.0 70 114 92.0 68 113 90.5 70 110 90.0 69 107 88.0 70 106 88.0 69 103 86.0 68 99 83.5 64 98 81.0

08/30 69 108 88.5 67 102 84.5 63 107 85.0 70 114 92.0 73 114 93.5 69 111 90.0 71 109 90.0 69 107 88.0 70 103 86.5 68 99 83.5 67 95 81.0 61 92 76.5

08/31 67 102 84.5 77 105 91.0 70 112 91.0 72 113 92.5 72 111 91.5 77 108 92.5 74 103 88.5 73 104 88.5 70 99 84.5 67 96 81.5 62 90 76.0 59 92 75.5

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

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

Redding (RDD) Daily Air Temperatures (°F)

8 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

74

77

80

83

86

89

92

95

98

49

50

51

52

53

54

55

56

57

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

08/01 52.5 53.7 53.0 54.2 54.2

08/02 52.8 53.8 52.9 54.1 54.5

08/03 52.8 53.8 52.9 54.0 54.6

08/04 53.0 54.0 52.7 53.9 54.4

08/05 53.3 54.4 52.8 53.9 54.7

08/06 53.3 54.4 52.9 54.0 54.7

08/07 53.3 54.3 53.0 54.1 54.8

08/08 53.3 54.4 53.1 54.2 54.7

08/09 53.4 54.2 53.2 54.2 54.6

08/10 53.5 54.3 53.3 54.3 54.6

08/11 53.7 54.9 53.4 54.4 54.8

08/12 53.8 54.9 53.5 54.5 55.1

08/13 53.8 54.9 53.5 54.6 55.0

08/14 54.0 55.1 53.6 54.7 55.2

08/15 53.9 55.0 53.7 54.8 55.2

08/16 53.5 54.4 53.7 54.8 54.7

08/17 53.5 54.6 53.7 54.8 54.8

08/18 53.6 54.6 53.7 54.8 54.9

08/19 53.5 54.3 53.7 54.7 54.8

08/20 53.6 54.6 53.7 54.7 54.8

08/21 53.5 54.5 53.6 54.6 54.6

08/22 53.5 54.6 53.5 54.5 54.7

08/23 53.4 54.6 53.5 54.5 54.7

08/24 53.2 54.4 53.5 54.5 54.6

08/25 53.3 54.3 53.4 54.5 54.5

08/26 53.2 54.2 53.4 54.5 54.2

08/27 53.2 54.2 53.3 54.4 54.1

08/28 53.2 54.2 53.3 54.4 54.3

08/29 53.8 55.1 53.3 54.4 54.8

08/30 53.7 54.8 53.4 54.5 54.9

08/31 53.2 54.2 53.4 54.4 54.7

Notes12

DAT

D

2

ATE SAC CCR SAC

7DADM

1 Daily Max

CCR

7DADM = 7-Day Average 

Daily Maximum

DAT = Daily Average 

Temperature

BSF

91

94

97

100

103

106

109

112

115

52

53

54

55

56

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

Air Temperature (°F)

Water Temperature (°F)

Daily Maximum

SAC CCR RDD (Air)

52

53

54

55

56

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

Water Temperature (°F)

7DADM