US Army Corps of Engineers

Priest Rapids Dam & Reservoir

May 2025

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 13579 566 40 135.60 130.40 104.30 24.90 485.89 485.38 410.41 74.97
2 14158 590 41 147.00 143.20 108.00 34.10 486.94 486.51 411.26 75.25
3 11477 478 41 108.20 111.30 83.20 27.20 486.07 486.53 409.03 77.50
4 11697 487 40 112.00 111.60 85.90 24.80 486.18 485.76 409.12 76.64
5 126.50 126.40 100.60 24.70 486.21 485.72 410.19 75.53
6 133.80 134.10 108.80 24.20 486.11 485.54 410.81 74.73
7 125.60 124.40 99.40 24.00 486.44 485.46 410.05 75.41
8 138.50 136.80 111.60 24.00 486.90 485.43 411.01 74.42
9 142.30 146.50 122.70 22.60 485.74 484.86 411.67 73.19
10 148.80 147.20 116.60 29.50 486.19 486.32 411.68 74.64
11 136.70 139.40 113.00 25.30 485.43 485.93 411.20 74.73
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TOT 50911  162        
AVG 12728 530 40 132.27 131.94 104.92 25.94 486.19 485.77 410.58 75.18
MAX 14158   148.80 147.20 122.70 34.10 486.94 486.53 411.68 77.50
MIN 11477   108.20 111.30 83.20 22.60 485.43 484.86 409.03 73.19