US Army Corps of Engineers

Priest Rapids Dam & Reservoir

October 2020

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 11907 496 42 91.90 89.30 85.40 2.90 487.80 487.24 406.91 80.33
2 12663 528 42 103.70 103.80 92.10 10.60 487.79 487.40 408.13 79.27
3 13319 555 41 94.90 103.40 98.40 3.90 485.49 485.90 408.30 77.60
4 9471 395 42 76.40 71.00 67.80 2.40 486.96 485.75 405.08 80.67
5 10110 421 42 75.30 74.70 71.10 2.70 487.11 486.73 405.54 81.19
6 11192 466 40 78.50 84.90 81.60 2.40 485.34 485.82 406.42 79.40
7 9930 414 41 73.30 75.30 72.40 2.00 484.78 484.84 405.60 79.24
8 9179 382 41 72.80 69.60 66.90 1.90 485.69 484.48 404.93 79.55
9 7635 318 41 59.50 56.80 53.80 2.40 486.45 485.70 403.49 82.21
10 6248 260 42 47.70 45.80 42.70 2.60 486.96 486.31 402.25 84.06
11 8178 341 41 60.90 60.70 56.90 3.20 487.01 487.13 403.93 83.20
12 7243 302 41 52.80 53.30 49.90 2.80 486.87 486.93 403.13 83.80
13 9301 388 40 67.30 69.80 66.50 2.50 486.19 486.09 404.83 81.26
14 7660 319 41 59.30 56.40 53.10 2.80 486.97 486.84 403.50 83.34
15 9012 376 40 61.70 66.10 63.00 2.30 485.78 487.22 404.59 82.63
16 9284 387 40 69.30 72.50 67.60 4.10 484.88 484.49 405.05 79.44
17 8811 367 41 63.80 66.50 63.90 1.80 484.12 484.12 404.66 79.46
18 7182 299 41 56.40 53.80 51.40 1.80 484.87 484.25 403.27 80.98
19 50.00 53.20 50.90 1.60 483.94 483.63 403.25 80.38
20 58.40 56.60 54.20 1.80 484.45 484.36 403.68 80.68
21 64.10 66.20 63.10 2.40 483.82 483.45 404.65 78.80
22 64.30 63.50 61.10 1.70 484.07 483.39 404.38 79.01
23 90.50 86.40 68.10 17.30 485.24 484.79 406.21 78.58
24 101.90 106.70 69.80 35.90 483.86 484.24 407.45 76.79
25 78.40 82.80 69.80 12.10 482.50 484.44 405.84 78.60
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TOT168325  739        
AVG 9351 390 41 70.92 71.56 65.66 5.12 485.56 485.42 405.00 80.42
MAX 13319   103.70 106.70 98.40 35.90 487.80 487.40 408.30 84.06
MIN 6248   47.70 45.80 42.70 1.60 482.50 483.39 402.25 76.79