US Army Corps of Engineers

Priest Rapids Dam & Reservoir

May 2023

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 9124 380 40 95.90 87.90 66.70 20.10 485.44 483.98 406.36 77.62
2 10614 442 39 108.70 103.00 77.30 24.60 487.00 485.70 407.59 78.11
3 13324 555 41 126.60 128.40 99.40 27.80 486.50 486.06 409.62 76.44
4 16374 682 40 155.30 156.40 126.50 28.50 486.19 486.46 411.80 74.66
5 16787 699 39 167.00 169.30 130.70 37.10 485.55 486.56 412.60 73.96
6 12858 536 39 183.90 184.40 99.50 83.40 485.43 486.71 412.96 73.75
7 11882 495 39 169.20 167.00 92.20 73.40 486.03 485.48 411.95 73.53
8 15806 659 39 190.20 195.00 130.30 63.10 484.66 484.59 414.24 70.35
9 15149 631 39 208.60 201.40 121.30 78.50 486.65 486.46 414.33 72.13
10 15271 636 38 228.20 226.90 123.30 101.90 486.99 487.19 415.80 71.39
11 16586 691 38 204.30 203.80 132.10 70.10 487.12 487.24 414.55 72.69
12 15921 663 40 197.50 197.40 125.10 70.70 487.15 487.23 414.09 73.14
13 13425 559 41 216.30 215.90 106.20 108.00 487.27 487.40 414.82 72.58
14 13787 574 41 218.60 219.30 110.60 107.10 487.09 486.95 415.20 71.75
15 12730 530 41 255.90 253.70 104.20 147.80 487.67 487.33 416.93 70.40
16 10648 444 40 256.80 258.60 87.30 169.60 487.21 487.32 416.87 70.45
17 12518 522 45 263.10 263.40 104.00 157.70 487.13 487.16 417.46 69.70
18 14810 617 43 259.40 260.00 124.10 134.10 486.97 487.04 417.64 69.40
19 13729 572 44 223.00 241.60 112.00 127.90 487.55 487.21 416.51 70.70
20 14292 596 44 254.60 255.20 118.70 134.80 487.38 487.12 417.32 69.80
21 249.70 252.20 95.70 154.90 486.71 486.91 416.69 70.22
22 221.90 220.30 119.10 99.70 487.29 487.01 415.27 71.74
23 212.50 214.10 126.00 86.50 486.88 486.45 415.11 71.34
24 212.50 210.90 121.70 87.70 487.30 486.57 414.85 71.72
25 215.20 215.30 115.00 98.70 487.28 487.28 414.95 72.33
26 187.70 187.80 114.40 71.90 487.25 487.37 413.37 74.00
27 169.70 173.00 120.80 50.70 486.37 487.19 412.68 74.51
28
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31
TOT275635  810        
AVG 13782 574 40 201.94 202.30 111.27 89.49 486.74 486.67 414.13 72.53
MAX 16787   263.10 263.40 132.10 169.60 487.67 487.40 417.64 78.11
MIN 9124   95.90 87.90 66.70 20.10 484.66 483.98 406.36 69.40