6/6/2011 Temperature and Release Summary for Shasta and Trinity - May 2011

(Updated twice a week November through April)

Sacramento River Water Temperatures in Degrees F

Day Collected from CDEC (California Data Exchange Center) in CFS

Control

TCD SHD minus Point Shasta Spring Crk 

Wt. TCD 3/1 to 5/31 Generation Powerplant 

Avg. (Diff) Shd Spp Kwk Bsf Jlf Bnd Rdb Lws Ccr Igo El 815 Release 

Apr 50.4 49.2 48.9 49.8 51.8 52.2 52.5 53.4 50.0 50.6 49.9 8,593 1,046 

May

1 52.2 (1.1) 51.1 50.6 51.5 53.4 54.4 55.0 55.7 49.0 52.5 51.0 5,334 60 

2 51.7 (1.5) ? 50.2 ? 50.0 52.5 54.8 55.9 56.5 57.0 47.6 53.7 51.6 6,097 55 

3 52.7 (1.5) 51.2 50.6 52.6 55.3 56.6 57.2 58.0 46.3 53.9 52.0 7,362 58 

4 53.1 (1.2) 51.9 50.1 52.4 55.0 56.7 57.1 58.1 46.2 53.6 52.2 6,945 829 5 52.4 (0.3) ? 52.1 ? 54.6 53.2 55.6 57.4 57.6 58.5 46.3 54.2 52.6 7,023 50 

6 50.9 0.1 51.0 ? 54.2 53.2 56.4 58.2 58.5 59.4 46.3 54.7 52.9 7,324 50 7 50.5 (0.8) 49.7 ? 52.6 52.0 55.0 57.1 57.7 59.0 46.2 53.1 52.0 7,436 50 8 50.4 (0.5) ? 49.9 ? 52.7 50.8 54.0 55.6 55.9 56.9 46.1 52.2 51.9 7,062 50 9 51.2 (1.9) 49.3 ? 50.9 50.6 53.3 54.9 55.3 56.6 46.7 51.8 51.6 7,665 55 

10 51.2 (1.4) 49.8 ? 52.5 51.3 53.5 55.1 55.4 56.4 47.0 52.2 52.1 6,983 50 11 50.6 (1.0) 49.6 ? 51.1 51.6 54.5 56.2 56.6 57.5 46.9 52.6 52.3 7,986 49 12 50.4 (1.0) 49.4 50.8 51.1 55.2 56.7 57.0 58.0 46.9 52.6 53.2 7,504 50 

13 50.8 (1.3) 49.5 50.9 51.2 54.9 56.5 56.9 58.2 47.2 52.6 53.0 7,321 50 14 50.3 (1.3) ? 49.0 50.6 51.0 53.9 55.5 56.0 57.0 47.2 51.7 51.8 6,638 50 15 50.3 (1.7) ? 48.6 49.1 50.5 51.6 52.6 53.0 53.9 46.8 50.7 50.2 6,848 64 16 50.8 (2.0) ? 48.8 49.0 49.9 51.1 51.6 51.6 52.0 46.0 50.4 50.3 7,241 50 17 52.0 (1.7) ? 50.3 50.0 50.2 50.8 51.4 51.6 52.1 45.8 50.3 50.3 8,226 50 18 52.1 (1.2) 50.9 50.2 51.3 53.3 53.4 53.2 53.0 46.0 51.9 51.9 6,947 903 19 53.2 (1.4) 51.8 50.3 52.1 54.9 55.8 55.9 56.4 46.6 53.1 52.9 6,891 639 20 52.3 (1.0) 51.3 51.1 53.2 55.9 57.0 57.2 58.0 47.3 54.1 53.8 8,994 50 21 51.2 (0.8) 50.4 51.6 53.1 57.1 58.4 58.6 59.5 47.8 54.6 54.5 9,113 50 22 51.4 (0.9) 50.5 51.9 51.9 55.8 57.6 58.1 59.4 48.0 53.1 53.7 9,160 50 23 51.5 (1.2) 50.3 50.7 51.7 55.0 56.4 56.8 58.1 48.2 52.6 51.9 9,695 50 24 51.5 (1.2) 50.3 50.8 51.8 54.5 55.8 56.1 57.1 48.4 52.8 51.4 8,925 50 25 50.9 (1.1) 49.8 50.7 51.8 53.2 54.3 54.8 55.8 48.0 52.0 51.0 8,799 50 26 51.1 (1.2) 49.9 50.4 50.7 52.9 53.6 53.8 54.1 46.6 51.5 51.1 9,031 140 27 51.7 (0.8) 50.9 51.4 51.0 53.3 54.4 54.5 55.0 46.6 51.4 51.9 9,949 50 28 51.9 (1.7) ? 50.2 50.4 51.5 53.0 54.0 54.3 55.0 46.9 51.8 51.2 10,658 50 29 52.7 (2.0) ? 50.7 51.2 51.7 53.2 53.9 54.0 54.5 47.0 52.1 52.3 10,613 50 30 51.6 (1.6) 50.0 50.8 52.6 53.7 54.6 54.8 55.4 47.1 52.8 51.9 9,353 1,278 31 51.6 (1.2) 50.4 51.5 51.5 53.0 53.8 54.2 55.1 46.9 52.0 52.0 10,871 467 

Avg 51.5 50.3 51.1 51.7 54.1 55.3 55.7 56.5 47.0 52.5 52.0 8,064 179 Tot cfs 249,994 5,547 Tot af 495,863 11,002 

# = Station out of service ^ - estimated (7 hours or less available) ? = Avg. includes estimated data! = 17 hours or less of readings & = 18 to 23 hours of reading ND = No hourly readings or incorrect 

Control Point: Balls Ferry 3/1/2011 to 5/31/2011.NOTE: Many hourly readings for SHD and SPP are questionable.

Mean Daily Releas