US Army Corps of Engineers

Rocky Reach Dam & Lake

October 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 10500 438 0 62.54 61.64 61.33 0.31 705.51 705.86 613.97 91.89
2 9408 392 0 53.94 54.84 54.84 0.00 705.36 705.86 613.79 92.07
3 10069 420 0 64.74 60.54 59.34 1.20 706.20 706.26 614.30 91.96
4 9919 413 0 57.27 58.37 58.01 0.35 706.01 705.71 613.83 91.88
5 11926 497 0 65.83 73.63 70.14 3.49 704.15 705.71 614.81 90.90
6 8816 367 0 58.28 52.38 52.38 0.00 705.75 705.35 613.79 91.56
7 10331 430 0 66.61 60.41 60.00 0.41 706.87 706.23 614.19 92.04
8 12799 533 0 70.47 81.56 75.69 5.87 704.24 705.91 615.21 90.70
9 5488 229 0 35.96 32.03 32.03 0.00 705.64 705.44 612.10 93.34
10 8196 342 0 48.17 50.65 47.38 3.28 704.99 705.88 613.42 92.46
11 10240 427 0 68.66 59.90 59.24 0.67 706.67 706.11 613.84 92.27
12 14972 624 0 88.25 88.85 88.85 0.00 706.21 706.19 615.49 90.70
13 66.69 71.09 67.25 3.85 705.47 705.98 614.34 91.64
14 48.13 51.33 51.33 0.00 705.14 705.67 613.34 92.33
15 62.72 58.42 58.42 0.00 705.93 705.91 613.99 91.92
16 44.58 50.49 50.06 0.43 704.77 706.06 613.34 92.72
17 65.19 64.90 64.90 0.00 704.63 705.86 614.17 91.69
18 44.95 40.23 40.23 0.00 705.87 705.45 612.70 92.75
19 75.85 73.45 73.45 0.00 705.98 705.94 614.71 91.23
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TOT122664  0        
AVG 10222 426 0 60.46 60.25 59.20 1.05 705.55 705.86 613.96 91.90
MAX 14972   88.25 88.85 88.85 5.87 706.87 706.26 615.49 93.34
MIN 5488   35.96 32.03 32.03 0.00 704.15 705.35 612.10 90.70