US Army Corps of Engineers

Priest Rapids Dam & Reservoir

September 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 12370 515 44 90.70 91.30 87.80 2.80 486.89 487.23 407.46 79.77
2 11228 468 45 83.20 84.40 81.30 2.50 486.68 486.33 406.88 79.45
3 10092 420 44 77.10 78.60 75.10 2.40 486.10 486.08 406.18 79.90
4 7751 323 46 54.20 56.30 53.40 2.30 485.53 485.67 403.95 81.72
5 8400 350 46 63.00 62.30 59.50 2.20 485.74 485.32 404.56 80.76
6 11168 465 46 84.20 84.80 81.70 2.20 485.57 485.51 406.77 78.74
7 9508 396 43 75.30 74.10 69.90 2.40 486.07 485.91 405.78 80.13
8 8996 375 45 67.60 67.00 63.80 2.50 486.23 486.42 405.02 81.40
9 9574 399 47 69.00 71.00 68.70 1.60 485.67 485.35 405.44 79.91
10 9215 384 45 65.20 67.50 65.60 1.20 485.02 485.08 405.26 79.82
11 7708 321 43 62.40 57.50 54.10 2.80 486.39 485.14 404.10 81.04
12 49.10 48.60 44.90 3.30 486.52 485.38 403.16 82.22
13 53.10 52.20 50.30 1.40 486.87 486.21 403.65 82.56
14 53.00 55.00 51.90 2.60 486.32 486.38 403.79 82.59
15 46.40 48.40 45.60 2.30 485.62 485.62 403.20 82.42
16 67.60 62.70 59.60 2.60 486.95 486.27 404.69 81.58
17 59.90 58.10 54.70 2.80 487.32 487.00 404.21 82.79
18 57.00 58.20 55.00 2.70 486.99 486.55 404.32 82.23
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TOT106010  494        
AVG 9637 402 45 65.44 65.44 62.38 2.37 486.25 485.97 404.91 81.06
MAX 12370   90.70 91.30 87.80 3.30 487.32 487.23 407.46 82.79
MIN 7708   46.40 48.40 44.90 1.20 485.02 485.08 403.16 78.74