6/9/2015 Temperature and Release Summary for Shasta and Trinity - May 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 5/31 Generation Powerplant Total

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

Apr 50.9 50.2 52.3 51.7 55.2 56.5 57.1 58.2 52.1 53.3 53.4 3,436 16 4,083 63.2 60.1 61.9 53.0

May

1 51.6 0.1 51.7 53.1 53.3 56.3 57.7 58.3 59.6 50.6 54.8 55.3 5,370 14 6,686 ^ 78.0 69.3 72.9 62.6

2 51.5 0.0 51.5 53.2 53.2 56.8 58.3 58.9 60.4 50.2 54.8 55.4 4,929 14 7,097 72.5 68.9 70.1 62.4

3 51.8 0.0 51.8 53.3 52.9 56.5 58.0 58.8 60.3 50.4 54.6 55.6 5,231 14 7,109 72.0 68.0 69.0 61.8

4 51.7 (0.2) 51.5 53.3 53.2 56.3 57.8 58.5 60.0 50.1 54.6 55.5 5,294 14 7,103 70.0 66.3 66.5 62.5

5 52.0 (0.5) 51.5 53.3 53.1 56.2 57.7 58.4 59.8 49.5 54.6 55.1 5,963 14 7,103 68.5 65.7 65.0 57.8

6 52.1 (0.3) 51.8 53.3 ? 53.2 55.8 57.2 57.9 59.1 48.5 54.4 55.0 5,643 14 7,046 71.0 65.2 66.7 54.9

7 52.3 1.1 53.4 53.3 53.3 55.6 56.4 56.9 57.9 48.2 54.3 54.7 4,673 20 7,074 67.5 65.6 66.5 57.2

8 51.8 0.5 52.3 53.4 53.8 56.1 57.2 57.6 58.4 48.6 55.1 55.1 5,949 14 7,081 65.5 62.9 61.5 58.4

9 51.9 0.2 52.1 53.4 53.7 56.9 58.4 59.0 60.0 48.7 55.4 55.6 5,558 17 7,088 69.5 67.1 67.1 62.4

10 52.1 (0.1) 52.0 53.5 53.4 56.5 58.1 58.9 60.6 49.2 54.8 55.4 5,758 14 7,086 68.5 66.0 66.9 60.5

11 52.1 0.2 52.3 53.6 53.3 56.3 57.7 58.4 59.8 49.4 54.6 55.3 5,616 14 7,083 68.5 63.2 63.4 56.3

12 52.3 (0.3) 52.0 53.6 53.5 55.9 56.9 57.7 59.1 49.9 54.5 54.4 5,509 17 7,083 63.0 59.6 59.8 52.4

13 52.2 0.1 52.3 53.6 53.5 56.1 56.9 57.4 58.3 49.7 54.6 54.5 5,811 14 7,088 63.5 59.6 59.8 50.0

14 52.2 0.7 52.9 53.7 53.7 56.1 57.1 57.5 58.5 49.4 54.9 55.4 5,503 14 7,122 63.5 60.0 61.3 54.7

15 52.4 (1.2) 51.2 53.7 54.2 56.1 57.1 57.6 58.8 49.2 54.8 54.7 5,414 14 7,200 62.0 60.8 61.7 52.0

16 52.6 0.1 52.7 53.7 53.4 56.6 57.9 58.4 59.3 49.6 55.3 55.1 5,542 14 7,170 64.5 62.5 63.9 55.8

17 52.5 0.2 52.7 53.8 54.0 56.3 57.5 58.0 59.8 49.7 55.1 55.7 5,536 14 7,140 67.5 64.7 64.5 57.9

18 52.6 0.1 52.7 53.8 54.0 56.5 58.0 58.6 59.9 49.9 55.4 54.9 5,814 14 7,134 70.5 66.1 65.8 57.8

19 52.7 0.0 52.7 53.9 54.1 57.0 58.5 59.1 60.3 50.0 55.5 54.6 6,321 14 7,168 69.0 66.0 64.0 57.9

20 52.6 (0.1) 52.5 53.8 54.4 57.0 58.5 59.0 60.5 49.9 55.7 54.5 5,568 17 7,162 71.0 64.4 64.9 59.3

21 52.9 (0.1) 52.8 53.9 53.9 57.1 58.8 59.4 60.8 49.9 55.6 54.5 6,849 14 7,142 70.5 66.3 67.0 60.0

22 52.9 (0.3) 52.6 53.9 53.9 57.0 58.4 59.1 60.7 49.9 55.2 54.2 6,872 17 7,182 70.0 67.2 66.8 58.6

23 53.3 0.0 53.3 54.0 53.8 56.8 58.4 58.9 60.4 49.7 55.3 54.6 6,414 14 7,152 70.5 68.4 67.1 63.3

24 53.3 (0.3) 53.0 54.1 54.5 57.0 59.0 59.5 61.1 49.8 55.9 55.0 6,317 14 7,103 75.0 72.5 73.2 65.2

25 53.7 (0.7) 53.0 53.7 54.2 57.6 59.7 60.4 62.0 50.1 55.9 55.4 6,321 51 7,106 75.0 71.3 70.4 66.4

26 53.5 (0.2) 53.3 54.1 54.3 57.5 59.5 60.2 62.0 50.5 55.9 56.0 6,469 15 7,115 74.0 70.7 69.8 66.4

27 53.7 (1.1) 52.6 54.1 54.8 57.6 59.8 60.5 62.2 50.8 56.3 57.0 6,709 24 6,916 75.0 72.0 71.9 64.9

28 53.8 (1.0) 52.8 53.7 54.3 58.7 60.2 61.0 62.7 51.0 56.1 57.5 7,413 91 6,910 78.0 73.1 72.4 68.0

29 54.0 (1.3) 52.7 54.4 54.4 57.7 59.9 60.7 62.6 50.9 56.0 56.8 6,931 14 6,919 80.0 74.2 74.2 69.1

30 54.0 (1.2) 52.8 53.5 54.4 57.6 59.6 60.3 62.2 51.1 55.9 56.7 6,521 268 6,917 80.0 74.4 74.4 69.6

31 53.9 (1.1) 52.8 53.8 54.4 57.1 58.7 59.4 61.0 51.1 55.7 56.2 6,735 101 6,916 74.5 70.7 70.7 65.5

Avg 52.6 52.4 53.7 53.8 56.7 58.2 58.8 60.3 49.9 55.2 55.3 5,953 30 7,071 70.6 66.9 67.1 60.4

Tot cfs 184,553 918 219,201

Tot af 366,061 1,821 434,785

? = 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 ^ = 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 5/31/2015 56.0 degrees.

V:\~WATER\_res_ops\Sac River Temperature\Tempmodel\~sactemp\2015TempFiles\[06_2015 Monthly Summary.xlsx]Sac Riv Temps

Mean Daily Air Temp

Degrees F

Mean Daily Release