REPORTING SUMMARY REQUIRED BY BIOLOGICAL OPINION - ENDANGERED SPECIES ACT April 1998 Daily Water Temperatures - Degrees F (from CDEC) Daily Average Release in cfs TCD Operation # of gates open Spring Upr Mid Lwr Side Spring Creek Red Balls Jellys Bend Red Shasta Shasta Elev ElevElevElev Creek Keswick DD Bluff Date Keswick Ferry Ferry Bridge Bluff GeneratioOutlet 1000 900 800 750 PP Release Weir DD C. Point 1 48.3 49.8 49.0 49.2 50.5 17619 8746 5 2 0 0 2869 27709 54 0 2 48.3 49.9 49.5 50.1 50.1 17645 4267 5 2 0 0 1495 23795 38 0 3 48.4 48.2 48.8 49.4 50.2 17933 2579 5 2 0 0 961 20352 75 0 4 48.7 49.2 49.7 50.6 18190 2964 5 2 0 0 1314 20056 75 0 5 48.7 49.8 50.2 51.2 13466 0 5 2 0 0 3789 16580 100 0 6 48.9 49.7 50.5 51.7 11078 0 5 2 0 0 3236 14448 100 0 7 49.0 50.7 51.2 52.3 10553 0 5 1 0 0 3030 12672 88 0 8 49.1 50.9 51.8 52.8 7314 0 5 1 0 0 3240 10242 75 0 9 49.2 51.1 51.2 52.1 6707 0 5 1 0 0 2914 10158 43 0 10 49.1 51.1 52.0 51.3 52.1 6329 0 5 1 0 0 2428 8754 43 0 11 49.2 51.4 52.5 51.8 52.6 4002 0 5 1 0 0 4041 7610 75 0 12 49.0 50.3 51.6 51.2 52.2 2692 0 5 1 0 0 4047 7100 75 0 13 49.1 50.1 50.9 50.5 51.1 2172 0 5 1 0 0 3744 6229 75 0 14 49.0 50.7 51.4 50.9 51.6 1981 0 5 1 0 0 4135 6009 50 0 15 49.1 51.4 52.1 51.5 52.6 1594 0 5 0 0 0 4094 6015 25 0 16 49.2 52.3 53.5 53.4 53.5 1853 0 5 0 0 0 4033 6011 25 0 17 49.2 52.8 54.2 53.8 54.5 1439 0 5 0 0 0 3736 6009 25 0 18 49.7 52.9 54.7 54.6 55.1 5617 0 5 0 0 0 3022 8749 25 77 19 50.6 53.2 54.9 54.5 55.1 8050 0 5 0 0 0 2418 9993 25 75 20 50.6 53.7 55.7 55.4 56.1 5229 0 5 0 0 0 4014 9957 25 76 21 50.6 53.9 56.0 55.8 56.4 6748 0 5 0 0 0 3929 10016 50 114 22 51.0 53.8 56.0 55.9 56.5 6504 0 5 1 0 0 3447 10004 25 114 23 50.6 53.0 55.1 55.0 55.4 6165 0 5 0 0 0 3916 10001 25 168 24 49.7 53.1 54.4 54.0 54.4 5608 0 5 1 0 0 4070 10032 25 214 25 49.8 52.2 53.9 53.7 54.4 5685 0 5 1 0 0 4072 10014 25 231 26 50.7 53.1 54.7 54.0 54.5 5714 0 5 1 0 0 4067 9979 25 79 27 51.2 54.2 56.1 55.6 56.1 5719 0 5 1 0 0 4059 9988 25 46 28 50.8 54.4 56.6 56.4 57.1 5991 0 5 1 0 0 3914 10269 25 236 29 50.6 54.2 56.6 56.4 57.2 6766 0 5 1 0 0 4041 10512 25 235 30 50.7 54.1 56.5 56.4 57.3 6601 0 5 1 0 0 3808 10771 18 244 Avg 49.6 52.2 52.9 52.8 53.6 Tmp Tot - a 442249 36806 202085 674457 2745 3787 Tot - c 222964 18556 101883 340034 1384 1909 Avg - c 7432 619 3396 11334 46 64 Balls Ferry - out of service April 4 - 9, 1998 Cross Channel Gate Operations: Closed (11/25/97) G:\123\esa_reports\Esa98\sacapr98.wk4