US Army Corps of Engineers

Rocky Reach Dam & Lake

September 2020

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 13257 552 0 82.71 83.91 77.78 6.13 706.32 706.51 615.21 91.30
2 10161 423 0 54.12 59.02 58.99 0.04 705.56 705.56 613.83 91.73
3 12220 509 0 76.13 71.53 71.32 0.21 706.43 706.40 614.89 91.51
4 12131 505 0 71.39 72.29 71.41 0.88 706.20 705.88 614.73 91.15
5 12155 506 0 67.60 71.90 71.90 0.00 705.35 705.45 614.87 90.58
6 12101 504 0 78.33 72.53 70.65 1.88 706.45 706.12 614.67 91.45
7 12119 505 0 66.13 73.37 70.60 2.77 704.97 706.14 614.95 91.19
8 11391 475 0 71.78 66.35 66.35 0.00 706.20 705.72 614.07 91.65
9 13969 582 0 81.11 82.91 82.91 0.00 705.60 705.23 613.72 91.51
10 14413 601 0 87.29 85.69 85.69 0.00 705.88 705.47 613.30 92.17
11 13812 576 0 79.26 86.54 81.79 4.75 704.32 705.72 613.12 92.60
12 12745 531 0 76.92 75.55 75.55 0.00 704.79 704.96 613.80 91.16
13 9595 400 0 53.64 55.77 55.77 0.00 704.63 704.93 614.99 89.94
14 11838 493 0 72.80 70.06 70.06 0.00 705.04 704.85 614.35 90.50
15 73.40 70.10 70.10 0.00 705.73 705.85 614.13 91.72
16 87.00 85.10 72.95 12.15 705.92 706.35 613.47 92.88
17 72.51 75.91 75.91 0.00 705.33 705.92 613.89 92.03
18 56.33 59.37 59.37 0.00 704.89 705.43 614.71 90.72
19 44.71 42.27 42.27 0.00 705.58 705.38 616.04 89.34
20 56.92 56.63 54.74 1.89 705.55 705.75 614.87 90.88
21 58.92 55.22 55.22 0.00 706.34 705.89 615.19 90.70
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TOT171907  0        
AVG 12279 512 0 69.95 70.10 68.63 1.46 705.58 705.69 614.42 91.27
MAX 14413   87.29 86.54 85.69 12.15 706.45 706.51 616.04 92.88
MIN 9595   44.71 42.27 42.27 0.00 704.32 704.85 613.12 89.34