5/21/2008 Reporting Summary Required by Biological Opinion - Endangered Species Act April 2008 Daily Water Temperatures - Deg F TCD Operation Daily Average Release in Cfs No. of Open Gates Control Point 4/1/08 to 04/30/08 Upr Mid Lwr Side Balls Jellys Bend Red Elv Elv Elv Elv Shasta Spring SCDD Red Date Kes Ferry Ferry Bridge Bluff 1000 900 800 750 Generation Creek PP Keswick Weir Bluff DD 1 48.0 50.2 50.8 51.4 51.8 0 5 0 0 3,868 166 4,107 1 324 2 48.6 50.9 51.4 51.8 52.5 0/5 5 0 0 4,655 245 4,059 1 446 3 48.2 51.8 52.8 53.3 53.9 5 5 0 0 3,986 165 3,985 1 460 4 48.2 51.8 52.8 53.5 54.4 5 5 0 0 3,797 93 4,007 1 439 5 48.2 51.5 52.5 53.0 54.2 5 5 0 0 4,964 166 5,373 1 438 6 48.0 50.7 51.9 52.6 53.9 5 5 0 0 5,278 161 5,497 1 384 7 47.6 50.2 51.1 51.7 53.1 5 5 0 0 5,280 163 5,548 1 421 8 47.7 50.2 51.6 52.1 53.2 5 5 0 0 6,068 194 6,517 1 320 9 47.6 49.9 50.9 51.1 52.4 5 5 0 0 6,348 186 7,041 1 317 10 47.8 50.2 51.5 51.8 52.8 5 5 0 0 6,693 179 7,001 1 333 11 48.1 51.0 52.4 52.6 53.7 5 5 0 0 7,177 172 6,992 0 409 12 48.4 51.5 53.2 53.5 54.8 5 5 0 0 6,648 84 6,817 0 443 13 48.5 51.9 53.8 54.1 55.5 5 5 0 0 6,638 83 7,006 0 376 14 48.5 51.8 53.8 54.2 55.7 5 5 0 0 6,891 83 6,993 0 358 15 47.9 50.5 52.1 52.5 53.8 5 5 0 0 6,971 83 7,047 0 424 16 47.8 50.3 51.7 51.9 53.1 5 5 0 0 7,046 83 7,502 1 407 17 48.0 50.8 52.3 52.6 53.8 5 5 0 0 6,889 166 7,500 1 345 18 48.4 51.4 53.1 53.4 54.7 5 5 0 0 6,991 183 7,502 27 173 19 48.5 50.8 52.5 52.9 54.1 5 5 0 0 7,140 98 7,522 3 265 20 47.9 49.3 50.5 50.8 52.1 5 5 0 0 7,208 83 7,512 1 344 21 47.6 49.4 50.2 50.4 51.2 5 5 0 0 6,844 86 7,521 1 222 22 47.8 48.8 50.0 50.4 51.2 5 5 0 0 6,606 84 7,067 1 303 23 47.8 49.5 50.1 50.1 50.8 5 5 0 0 7,033 83 7,017 1 323 24 48.0 50.0 50.9 50.9 51.7 5 5 0 0 6,701 83 7,028 1 153 25 48.4 51.0 52.3 52.5 53.4 5 5 0 0 6,773 83 7,018 1 106 26 48.8 52.2 53.8 54.0 55.2 5 5 0 0 6,745 83 7,110 1 144 27 49.0 52.7 54.7 55.1 56.7 5 5 0 0 6,798 212 7,527 1 150 28 49.0 52.9 55.0 55.5 57.1 5 5 0 0 7,170 83 7,520 1 100 29 48.9 52.0 54.1 54.5 56.0 5 5 0 0 7,485 83 7,517 1 101 30 48.3 50.9 52.4 52.7 54.0 5 5 0 0 7,350 83 7,986 1 51 Avg Temp 48.2 50.9 52.2 52.6 53.7 Tot AF 376,946 7,535 394,397 105 18,008 Tot cf 190,041 3,799 198,839 53 9,079 Avg-cf 6,335 127 6,628 2 303 Control Point: Cross Channel Gate Operations: Balls Ferry from 04/01/2008 to 04/30/2008 Closed 12/14/2007