US Army Corps of Engineers

Wanapum Dam & Lake

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 12957 540 18 97.30 95.30 90.70 2.60 571.35 570.87 490.43 80.44
2 14539 606 18 106.60 106.70 102.30 2.40 571.34 571.01 491.06 79.95
3 13181 549 17 79.50 97.10 93.20 1.80 568.93 569.28 489.99 79.29
4 10475 436 18 66.10 77.90 74.60 1.30 567.29 567.70 488.78 78.92
5 10367 432 18 84.30 77.90 75.00 1.00 568.18 566.78 489.36 77.42
6 10812 450 19 69.40 81.40 78.10 1.20 566.50 567.50 489.17 78.33
7 9889 412 18 75.00 74.60 72.10 0.60 566.56 565.52 488.20 77.32
8 9768 407 18 57.20 74.40 72.20 0.20 564.11 564.48 488.00 76.48
9 7923 330 19 59.60 61.40 59.40 0.00 563.85 563.57 487.98 75.59
10 6382 266 17 60.90 49.10 47.00 0.10 565.54 564.12 487.77 76.35
11 7972 332 17 57.20 62.30 60.10 0.20 564.82 564.41 489.04 75.37
12 6707 279 17 61.90 54.90 49.30 3.60 565.82 564.99 488.41 76.58
13 8921 372 17 82.90 68.10 65.60 0.60 567.89 565.64 488.55 77.09
14 8289 345 16 56.80 62.30 59.20 1.10 567.11 567.31 488.68 78.63
15 7394 308 17 70.20 62.60 52.90 7.70 568.18 567.08 488.94 78.14
16 8759 365 18 81.10 70.40 60.00 8.40 569.65 569.58 487.67 81.91
17 8826 368 17 58.50 64.80 61.10 1.70 568.78 568.92 487.25 81.67
18 7391 308 17 52.20 56.70 51.40 3.30 568.16 568.42 486.88 81.54
19 53.10 50.30 40.10 8.20 568.55 568.02 486.07 81.95
20 67.60 61.40 56.80 2.60 569.40 568.00 487.17 80.83
21 51.00 65.10 53.90 9.20 567.45 568.24 486.84 81.40
22 80.80 66.30 60.20 4.10 569.46 568.40 487.04 81.36
23 99.80 93.30 70.80 20.50 570.36 570.09 488.80 81.29
24 80.20 102.00 71.70 28.40 567.33 569.64 489.18 80.46
25 75.80 75.30 70.60 2.70 567.40 566.46 488.12 78.34
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1
TOT170552  316        
AVG 9475 395 18 71.40 72.46 65.93 4.54 567.76 567.44 488.38 79.07
MAX 14539   106.60 106.70 102.30 28.40 571.35 571.01 491.06 81.95
MIN 6382   51.00 49.10 40.10 0.00 563.85 563.57 486.07 75.37
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