9/4/2015 Temperature and Release Summary for Shasta and Trinity - August 2015

(Updated twice a week November through April)

Sacramento River Water Temperatures in Degrees F

Day Collected from CDEC (California Data Exchange Center) except for TCD, SPP and Control Point in CFS

Control

TCD SHD minus SPP Point Shasta Spring Crk Keswick

Wt. TCD Wt. 4/1 to 8/31 Generation Powerplant Total

Avg. (Diff) Shd Avg Kwk Bsf Jlf Bnd Rdb Lws Ccr Igo Sac Dgc El 815 Release Release RDD BSF RDB LWS

Jul 53.9 52.0 57.2 55.4 59.0 60.9 61.8 63.8 54.7 57.1 58.9 56.5 61.0 5,648 1,153 7,007 85.5 79.9 79.8 74.0

Aug

1 53.4 (1.8) 51.6 58.6 54.8 58.5 60.4 61.2 63.0 54.5 56.8 58.6 56.1 61.1 5,313 1,330 6,824 88.0 81.8 79.6 78.8

2 53.8 (2.0) ? 51.8 58.6 54.8 58.3 59.8 60.8 63.1 53.7 56.0 57.8 55.5 60.1 5,472 1,330 6,828 84.5 79.7 77.8 74.4

3 52.6 (1.2) 51.4 58.7 54.5 58.0 59.7 60.4 62.0 54.2 56.3 58.6 55.8 59.4 5,693 1,358 6,837 84.0 78.2 77.3 73.1

4 53.4 (1.2) 52.2 58.7 54.8 58.0 59.3 60.1 61.9 53.4 56.0 57.8 55.6 59.6 5,187 1,565 6,835 78.5 71.5 71.0 70.6

5 55.0 (1.5) 53.5 58.8 54.5 57.5 58.8 59.5 61.2 53.2 55.7 57.8 55.3 57.6 5,313 1,562 6,836 78.0 73.8 73.5 68.3

6 54.7 (1.7) ? 53.0 58.8 55.3 57.6 58.9 59.5 61.1 53.5 56.2 58.1 55.9 57.5 5,409 1,543 6,836 82.5 76.3 76.7 69.8

7 53.9 (1.7) 52.2 58.8 56.0 58.4 60.3 60.8 62.1 53.4 57.4 58.5 # 58.7 5,397 1,516 6,834 84.5 79.2 80.5 72.1

8 53.9 (2.0) 51.9 58.8 55.8 58.9 60.9 61.6 63.3 53.0 57.4 58.2 # 57.2 5,423 1,545 6,864 81.0 74.8 75.1 68.1

9 53.2 (1.7) 51.5 58.8 55.6 58.7 60.5 61.3 63.3 52.8 57.2 58.2 # 56.6 5,333 1,279 6,858 81.5 76.2 77.1 66.0

10 52.4 (1.3) 51.1 58.8 55.3 58.7 60.2 61.0 62.8 52.5 56.8 57.8 # 56.3 5,031 1,350 6,805 80.5 75.2 75.7 66.6

11 53.4 (1.9) 51.5 58.8 54.4 58.4 59.9 60.7 62.6 52.9 56.2 58.2 55.4 57.0 5,347 1,107 6,781 80.0 75.9 74.6 69.7

12 53.5 (1.8) 51.7 58.8 54.0 57.7 59.0 59.8 62.0 53.0 55.6 58.2 55.0 57.9 5,104 1,175 6,676 77.5 72.8 73.4 68.7

13 53.4 (1.4) 52.0 58.8 54.5 57.5 59.1 59.8 61.6 53.2 56.1 58.1 55.6 58.6 5,350 1,004 6,678 78.0 73.6 74.8 68.8

14 54.1 (1.2) 52.9 58.7 54.6 57.9 59.3 60.1 61.8 53.1 55.9 57.7 55.5 58.5 6,369 1,365 6,598 76.5 74.3 73.9 66.1

15 54.0 (1.3) 52.7 58.8 55.0 57.7 59.2 59.8 61.5 53.3 56.4 58.4 56.0 57.9 5,953 1,268 6,900 88.0 76.5 79.1 68.1

16 53.5 (1.4) 52.1 58.8 55.4 58.2 59.9 60.4 61.9 53.1 57.0 58.6 56.5 58.8 5,259 1,226 6,895 84.5 77.1 78.5 72.2

17 54.2 (1.5) 52.7 58.7 55.6 58.5 60.2 60.8 62.5 52.5 57.1 58.4 56.6 55.6 5,388 1,353 6,923 ^ 84.5 78.0 80.5 73.0

18 53.7 (1.6) 52.1 58.7 55.5 58.5 60.1 60.9 62.7 52.3 57.0 58.3 56.4 54.2 4,632 1,514 6,919 86.0 78.6 78.9 73.2

19 54.8 (2.1) 52.7 58.7 55.7 58.5 60.0 60.7 62.4 51.9 57.0 58.0 56.4 53.7 5,368 1,247 6,906 81.5 75.4 74.6 69.6

20 54.4 (1.7) 52.7 58.7 55.6 58.4 59.5 60.2 61.9 52.2 56.9 58.2 56.3 54.5 5,149 1,171 6,922 80.0 74.2 73.2 70.5

21 54.7 (1.7) 53.0 58.7 55.8 58.6 59.9 60.5 61.8 52.3 57.3 58.5 56.7 56.5 5,635 1,285 6,897 80.0 74.2 74.4 70.6

22 55.0 (1.8) 53.2 58.7 55.8 58.9 60.4 61.1 62.7 52.2 57.5 58.6 56.9 55.6 5,648 1,237 6,898 81.5 75.9 75.3 73.9

23 56.6 (3.0) 53.6 58.6 56.3 59.1 60.6 61.2 62.9 52.4 57.8 58.4 57.2 55.5 4,695 1,884 6,898 79.5 74.2 74.2 72.3

24 54.2 (1.5) 52.7 58.7 57.1 59.4 61.0 61.6 63.1 52.9 58.5 58.6 58.0 55.9 5,993 1,441 6,870 81.0 75.1 75.1 73.0

25 53.6 (1.4) 52.2 58.7 56.6 59.8 61.3 62.0 63.5 53.1 58.4 58.6 57.7 56.0 5,381 1,375 6,905 80.5 75.1 76.4 71.8

26 53.8 (1.5) 52.3 58.7 56.0 59.6 60.9 61.5 63.2 53.3 57.8 58.5 57.1 56.0 5,276 1,506 6,899 80.0 74.5 76.0 71.0

27 53.6 (1.5) 52.1 58.7 55.7 59.9 60.3 61.2 63.0 53.3 57.2 58.6 56.6 56.1 4,655 1,422 6,903 82.5 77.0 78.3 71.5

28 54.1 (1.7) 52.4 58.7 55.6 58.9 60.1 61.0 62.7 53.2 57.2 58.7 56.5 55.6 5,445 1,426 6,914 85.0 80.0 80.1 73.3

29 53.8 (1.3) 52.5 58.8 55.4 59.6 60.9 61.8 63.2 53.3 57.3 59.4 56.4 56.5 5,494 1,456 6,906 78.0 79.1 77.0 70.3

30 53.9 (1.3) 52.6 58.8 55.7 58.7 59.8 60.7 62.6 53.5 57.2 59.0 56.6 55.7 4,918 1,432 6,908 73.5 71.6 71.5 63.5

31 52.9 (0.9) 52.0 58.9 55.5 58.8 59.8 60.5 62.0 53.7 57.1 59.6 56.5 56.1 5,343 1,318 6,910 80.5 73.0 75.0 66.8

Avg 53.9 52.3 58.7 55.4 58.6 60.0 60.7 62.4 53.1 56.9 58.4 56.3 57.0 5,354 1,374 6,854 81.3 75.9 76.1 70.5

Tot cfs 165,973 42,590 212,463

Tot af 329,207 84,477 421,420

? = Average includes 1-9 estimated hourly readings ! = No Average (10-17 hours missing) & = No Average (18 to 23 hours missing) When available:

# = Station out of service ND = No hourly readings or incorrect % = Data will be down loaded from site at later date by NCAO staff. ^ = Redding Air Temp Record High

* = Redding Air Temp Record Low

Control Point: Clear Creek 4/1/2015 to 4/17/2015 at 56.0 degrees; 4/18/2015 to 5/14/2015 at 58.0 degrees; 5/15/2015 to 6/4/2015 56.0; 6/5/2015 to 8/31/2015 58.0 degrees.

V:\~WATER\_res_ops\Sac River Temperature\Tempmodel\~sactemp\2015TempFiles\2015MonthlySummaries\[08_2015 Monthly Summary.xlsx]Sac Riv Temps

Mean Daily Air Temp

Degrees F

Mean Daily Release