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 13414 559 40 126.50 126.40 100.60 24.70 486.21 485.72 410.19 75.53
6 14303 596 40 133.80 134.10 108.80 24.20 486.11 485.54 410.81 74.73
7 13188 550 40 125.60 124.40 99.40 24.00 486.44 485.46 410.05 75.41
8 14586 608 40 138.50 136.80 111.60 24.00 486.90 485.43 411.01 74.42
9 15565 649 40 142.30 146.50 122.70 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
12 130.50 131.50 106.10 24.30 485.14 485.56 410.63 74.93
13 128.50 127.50 102.40 24.00 485.42 485.46 410.31 75.15
14 107.50 112.60 90.20 21.40 483.94 484.44 409.18 75.26
15 121.40 113.80 98.50 14.30 486.10 483.75 409.36 74.39
16 135.20 136.90 109.60 26.20 485.64 486.22 410.97 75.25
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TOT121967  362        
AVG 13552 565 40 129.88 129.60 103.81 24.72 485.90 485.55 410.43 75.12
MAX 15565   148.80 147.20 122.70 34.10 486.94 486.53 411.68 77.50
MIN 11477   107.50 111.30 83.20 14.30 483.94 483.75 409.03 73.19