US Army Corps of Engineers

Rocky Reach Dam & Lake

January 2021

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 15655 652 0 96.45 93.88 93.88 0.00 705.27 705.07 616.01 89.06
2 16969 707 0 102.03 102.73 102.73 0.00 704.99 705.13 616.18 88.95
3 17262 719 0 105.09 103.99 103.99 0.00 705.21 705.87 616.45 89.42
4 17881 745 0 105.47 108.13 107.75 0.38 704.53 705.75 616.77 88.98
5 17127 714 0 104.92 103.65 103.65 0.00 704.90 705.01 615.98 89.03
6 19104 796 0 119.27 116.78 116.78 0.00 705.18 705.84 617.24 88.60
7 19671 820 0 122.05 120.75 120.75 0.00 705.44 705.50 617.57 87.93
8 21522 897 0 102.73 134.03 133.92 0.10 704.52 705.88 618.26 87.62
9 20956 873 0 130.03 130.03 129.97 0.06 704.72 705.53 618.08 87.45
10 19029 793 0 156.19 119.69 116.61 3.08 706.63 705.76 617.47 88.29
11 19414 809 0 111.97 120.11 120.11 0.00 704.77 705.16 617.47 87.69
12 19803 825 0 128.55 122.31 122.31 0.00 706.07 705.39 617.45 87.94
13 18074 753 0 106.67 109.27 109.27 0.00 705.76 705.31 616.43 88.88
14 21767 907 0 103.12 135.12 135.12 0.00 705.56 705.85 618.51 87.34
15 22512 938 0 139.66 139.66 139.66 0.00 705.82 706.07 618.81 87.26
16 21486 895 0 133.44 133.44 131.98 1.46 705.78 705.87 618.35 87.52
17 16779 699 0 134.25 101.15 101.15 0.00 706.18 705.33 616.29 89.04
18 20117 838 0 120.13 123.61 123.61 0.00 704.97 705.12 617.54 87.58
19 119.86 120.82 120.82 0.00 704.82 704.83 617.08 87.75
20 118.65 116.01 116.01 0.00 705.54 705.24 616.73 88.51
21 126.61 127.71 126.54 1.17 705.04 705.95 617.73 88.22
22 118.36 117.16 117.16 0.00 705.45 704.98 616.83 88.15
23 126.10 121.70 121.70 0.00 706.36 705.92 617.21 88.71
24 128.40 129.30 128.45 0.85 705.99 706.14 617.65 88.49
25 95.57 130.47 130.47 0.00 704.27 704.99 617.77 87.22
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31
TOT345128  0        
AVG 19174 799 0 118.22 119.26 118.98 0.28 705.35 705.50 617.27 88.23
MAX 22512   156.19 139.66 139.66 3.08 706.63 706.14 618.81 89.42
MIN 15655   95.57 93.88 93.88 0.00 704.27 704.83 615.98 87.22