US Army Corps of Engineers

Priest Rapids Dam & Reservoir

May 2022

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 9650 402 39 102.80 95.90 69.70 25.30 485.70 485.87 406.90 78.97
2 9464 394 40 96.00 93.40 68.70 23.80 486.42 485.28 406.70 78.58
3 8491 354 40 81.70 85.30 61.10 23.30 485.43 485.07 405.92 79.15
4 10083 420 40 100.70 97.40 74.90 21.50 486.35 484.09 407.14 76.95
5 12449 519 39 120.20 120.10 91.20 27.80 486.38 486.68 408.99 77.69
6 11753 490 39 115.10 113.80 86.00 26.90 486.73 486.38 408.43 77.95
7 9165 382 39 80.80 93.10 66.70 25.50 483.22 485.00 406.63 78.37
8 9204 384 39 94.30 89.50 67.90 20.60 484.65 483.92 406.40 77.52
9 9393 391 40 98.50 92.50 68.20 23.40 486.34 485.18 406.64 78.54
10 14736 614 39 136.80 138.00 111.90 24.90 486.02 485.67 410.49 75.18
11 16328 680 39 152.00 153.20 128.30 23.60 485.70 485.22 411.73 73.49
12 16012 667 39 149.70 150.10 125.40 23.40 485.58 485.16 411.44 73.72
13 16252 677 39 158.40 155.10 126.30 27.60 486.47 485.78 411.77 74.01
14 17331 722 38 166.30 164.30 135.00 28.00 487.01 486.74 412.30 74.44
15 16630 693 39 159.50 160.00 127.40 31.30 486.89 487.11 411.96 75.15
16 15448 644 39 143.10 146.30 115.80 29.30 486.00 487.15 411.03 76.12
17 15407 642 39 134.40 143.20 122.70 19.20 483.47 483.42 411.04 72.38
18 14943 623 39 149.40 139.60 115.30 23.10 486.27 485.09 410.66 74.43
19 15138 631 39 148.20 146.90 115.30 30.40 486.62 486.25 411.01 75.24
20 16806 700 39 162.70 161.40 130.10 30.00 486.97 486.64 412.15 74.49
21 162.30 161.00 130.20 29.50 487.33 487.08 412.00 75.08
22 164.00 164.20 132.50 30.30 487.30 487.47 412.26 75.21
23 164.50 164.60 123.00 40.40 487.26 487.39 412.17 75.22
24 171.00 171.00 136.30 33.30 487.26 487.00 412.73 74.27
25 182.40 183.10 125.70 56.00 487.06 487.34 413.24 74.10
26 179.30 178.00 136.20 40.40 487.40 487.47 413.10 74.37
27 173.60 173.30 115.50 56.50 487.47 487.50 412.57 74.93
28
29
30
31
TOT264683  783        
AVG 13234 551 39 138.80 138.31 107.68 29.46 486.27 486.04 410.27 75.76
MAX 17331   182.40 183.10 136.30 56.50 487.47 487.50 413.24 79.15
MIN 8491   80.80 85.30 61.10 19.20 483.22 483.42 405.92 72.38