Temperature and Release Summary for Shasta and Trinity - April 2005 Sacramento River Water Temperatures Mean Daily Release Mean Daily Air Temp Day Collected from CDEC (California Data Exchange Center) Degrees F TCD SHD minus SHASTA Control Pt 4/15 - 4/30 Wt. TCD Gen Spring Cr Keswick Avg. (Diff) Shd Spp Kwk Bsf Jlf Bnd Rdb Lws El 815 PP Release RDD BSF RDB LWS Mar Avg 48.8 47.9 48.3 49.1 52.1 52.8 53.1 53.7 49.8 2,148 979 3,798 55.5 54.4 56.0 47.4 Redding Avg Keswick Release Apr High Low Mean Power Spill Fishtrap Total 1 49.8 (1.3) 48.5 49.3 49.9 52.9 53.6 54.0 54.7 50.4 3,300 269 3,786 54.5 54.1 56.4 48.9 66 43 54.5 3701 0 85 3786 2 49.4 (1.1) 48.3 49.4 49.9 53.0 53.8 54.0 54.7 50.4 2,814 280 3,789 54.5 55.3 57.9 48.9 67 42 54.5 3704 0 85 3789 3 49.5 (1.3) 48.2 49.5 49.9 52.5 53.5 53.9 ^54.8 50.0 3,494 302 3,783 49.0 49.3 50.2 42.6 53 45 49.0 3698 0 85 3783 4 49.4 (1.2) 48.2 49.4 49.8 51.6 ^51.8 52.0 53.0 50.5 2,289 523 3,785 50.5 50.8 51.5 43.8 60 41 50.5 3700 0 85 3785 5 49.6 (1.2) 48.4 49.4 49.6 53.6 54.4 54.6 55.0 51.1 3,097 227 3,791 58.0 56.7 57.2 51.4 69 47 58.0 3706 0 85 3791 6 49.5 (1.1) 48.4 49.4 49.6 54.1 55.3 55.7 56.4 50.9 3,046 227 3,788 58.0 56.7 58.8 53.1 73 43 58.0 3703 0 85 3788 7 49.5 (1.1) 48.4 49.4 50.0 54.2 55.0 55.4 56.0 50.4 2,724 243 3,784 52.0 52.9 53.8 47.4 62 42 52.0 3699 0 85 3784 8 49.4 (1.2) 48.2 49.7 50.0 51.8 52.7 53.3 53.8 49.5 2,984 248 3,782 49.5 48.0 48.1 38.8 56 43 49.5 3697 0 85 3782 9 49.8 (1.3) 48.5 49.6 50.1 52.9 53.0 53.0 53.5 50.2 3,097 240 3,720 53.5 54.9 55.3 46.5 67 40 53.5 3635 0 85 3720 10 49.8 (1.2) 48.6 49.9 49.9 54.1 54.9 55.2 55.8 49.9 3,190 241 3,756 58.5 57.5 58.9 48.8 71 46 58.5 3671 0 85 3756 11 49.5 (1.0) 48.5 49.6 49.7 55.1 56.1 56.4 57.0 49.9 3,147 288 3,721 59.5 57.7 57.9 52.9 69 50 59.5 3636 0 85 3721 12 49.5 (1.2) 48.3 49.9 50.0 ^ 54.1 55.6 56.2 57.5 49.5 2,970 262 3,667 53.5 53.1 54.0 42.8 61 46 53.5 3582 0 85 3667 13 49.7 (1.2) 48.5 50.1 50.0 52.8 53.6 54.1 55.4 49.2 3,290 262 3,669 45.5 47.6 49.8 39.5 56 35 45.5 3584 0 85 3669 14 49.3 (1.0) 48.3 50.0 50.0 52.3 52.8 53.0 54.2 49.7 2,593 110 3,742 50.5 49.6 51.7 43.4 67 34 50.5 3657 0 85 3742 15 49.3 (0.9) 48.4 50.5 49.7 53.7 54.4 54.6 55.0 50.2 3,061 14 3,730 62.0 57.6 60.1 50.2 80 44 62.0 3645 0 85 3730 16 48.9 (0.8) 48.1 50.6 49.8 54.4 56.0 56.4 57.1 50.6 3,128 14 3,776 58.0 59.6 62.3 54.5 72 44 58.0 3691 0 85 3776 17 49.2 (0.9) 48.3 50.6 50.4 55.2 56.8 57.2 58.1 50.6 3,078 14 3,768 59.0 62.0 61.6 50.7 70 48 59.0 3683 0 85 3768 18 49.7 (1.1) 48.6 50.6 50.3 54.3 55.7 56.2 57.4 50.2 3,957 14 3,770 58.5 56.0 56.6 42.6 68 49 58.5 3685 0 85 3770 19 49.5 (1.0) 48.5 50.8 50.1 54.1 55.2 55.5 56.4 50.5 3,514 14 3,775 61.0 57.5 59.6 47.1 72 50 61.0 3690 0 85 3775 20 49.2 (0.9) 48.3 50.9 50.0 54.8 56.0 56.4 57.3 51.0 3,426 14 3,777 56.0 55.9 58.0 50.4 71 41 56.0 3692 0 85 3777 21 49.0 (0.7) 48.3 51.0 50.5 55.5 57.1 57.5 58.5 51.6 3,654 14 3,780 61.5 59.8 61.7 55.4 77 46 61.5 3695 0 85 3780 22 49.0 (0.6) 48.4 51.3 50.4 56.1 57.9 58.4 59.4 51.9 3,424 14 3,775 61.5 60.6 62.4 55.7 79 44 61.5 3690 0 85 3775 23 49.5 (1.1) 48.4 51.0 50.2 55.6 57.4 58.0 59.2 52.1 3,741 14 3,783 57.0 56.1 56.0 49.4 62 52 57.0 3698 0 85 3783 24 50.2 (1.6) 48.6 50.9 50.4 54.2 55.7 56.2 57.8 52.4 4,559 14 4,932 57.0 55.2 55.7 50.5 63 51 57.0 4847 0 85 4932 25 49.5 (0.7) 48.8 51.0 49.9 54.9 56.3 56.6 57.8 52.1 4,340 14 4,995 61.5 59.7 60.9 55.0 72 51 61.5 4910 0 85 4995 26 49.7 (1.0) 48.7 50.7 50.5 54.9 56.8 57.3 58.9 51.9 4,287 127 5,124 61.5 59.6 61.7 56.2 75 48 61.5 5039 0 85 5124 27 50.1 (1.3) 48.8 50.7 50.6 55.1 56.9 57.4 58.5 52.1 4,324 236 5,050 63.0 60.6 60.6 54.6 73 53 63.0 4965 0 85 5050 28 49.8 (1.2) 48.6 50.8 50.8 55.1 56.9 57.4 58.5 52.4 4,262 277 5,082 62.0 59.9 60.6 55.3 71 53 62.0 4997 0 85 5082 29 50.0 (1.3) & 48.7 50.8 50.5 55.3 57.1 57.6 59.0 52.9 4,539 238 4,881 64.0 62.1 62.5 55.5 72 56 64.0 4796 0 85 4881 30 49.8 (0.9) ND48.9 50.9 50.5 55.4 57.4 58.2 59.8 50.3 4,173 289 5,090 63.0 61.7 64.2 56.5 70 56 63.0 5005 0 85 5090 0 Avg 49.5 48.5 50.3 50.1 54.1 55.3 55.7 56.7 50.8 3,450 168 4,055 57.1 56.3 57.5 49.6 119101 0 2550 121651 Tot cfs 103,502 5,043 121,651 Tot af 205,296 10,003 241,295 # = Station out of se^ - estimated (7 hours o? = Avg. includes estimated data ! = 17 hours or less& = 18 to 23 hours of reND = No hourly readings or incorrect Control Point: Balls Ferry 4/15/05 - 4/30/05. H:\DATA\Public\~WATER\_res_ops\Tempmodel\~sactemp\2005TempFiles\Monthly Summary\[sacapr05.prn]sacapr05