US Army Corps of Engineers

Priest Rapids Dam & Reservoir

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 13928 580 18 104.90 104.10 103.70 0.00 485.89 485.83 408.41 77.42
2 11365 474 18 82.10 82.20 81.70 0.00 485.85 485.86 406.44 79.42
3 12923 538 17 101.80 95.70 94.40 0.80 487.49 486.86 407.52 79.34
4 14453 602 21 124.00 122.40 108.00 14.00 487.92 487.19 409.59 77.60
5 15809 659 22 116.40 119.70 118.10 1.30 487.04 487.05 409.69 77.36
6 15462 644 20 115.70 114.90 114.50 0.00 487.25 487.02 409.33 77.69
7 17079 712 20 128.40 129.90 129.40 0.00 486.85 486.88 410.52 76.36
8 17626 734 20 136.60 133.90 133.40 0.00 487.59 487.11 410.75 76.36
9 18284 762 20 139.70 140.30 139.90 0.00 487.43 487.18 411.25 75.93
10 18035 751 20 135.30 138.80 138.50 0.00 486.49 486.63 411.13 75.50
11 16992 708 20 129.20 128.70 128.40 0.00 486.64 487.00 410.37 76.63
12 15504 646 21 125.00 120.40 117.50 2.60 487.85 486.21 409.61 76.60
13 14162 590 20 138.60 139.50 106.70 32.40 487.59 487.12 410.63 76.49
14 17116 713 19 129.30 131.10 130.60 0.00 487.11 486.80 410.56 76.24
15 17709 738 20 145.30 143.60 135.50 7.60 487.55 487.44 411.39 76.05
16 150.40 150.70 138.80 11.50 487.46 487.41 411.92 75.49
17 127.80 132.40 126.70 5.40 486.21 486.85 410.65 76.20
18 125.40 122.30 121.90 0.00 487.04 486.69 409.90 76.79
19 127.10 127.00 126.60 0.00 487.06 486.92 410.25 76.67
20 124.40 124.00 123.60 0.00 487.16 487.04 410.04 77.00
21 127.60 125.20 124.70 0.00 487.81 487.13 410.14 76.99
22 131.80 133.70 130.80 2.30 487.32 487.41 410.73 76.68
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TOT236447  296        
AVG 15763 657 20 125.76 125.48 121.52 3.54 487.12 486.89 410.04 76.86
MAX 18284   150.40 150.70 139.90 32.40 487.92 487.44 411.92 79.42
MIN 11365   82.10 82.20 81.70 0.00 485.85 485.83 406.44 75.49