US Army Corps of Engineers

Wanapum Dam & Lake

February 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 11183 466 22 82.50 83.40 82.50 0.00 567.13 566.11 489.32 76.79
2 13313 555 23 117.70 98.00 97.10 0.00 569.86 567.98 490.32 77.66
3 17442 727 23 132.30 126.30 125.40 0.00 570.68 570.50 491.81 78.69
4 18259 761 23 133.60 133.50 132.60 0.00 570.69 570.45 492.18 78.27
5 17947 748 23 130.60 131.70 130.80 0.00 570.55 570.10 491.99 78.11
6 18742 781 22 139.90 137.50 136.60 0.00 570.88 570.55 492.30 78.25
7 18688 779 22 136.20 137.30 136.40 0.00 570.73 570.38 492.31 78.07
8 15924 664 21 111.30 119.00 114.00 4.10 569.68 570.49 491.49 79.00
9 16382 683 21 124.50 117.80 116.90 0.00 570.60 570.22 491.40 78.82
10 19222 801 22 128.90 143.70 142.80 0.00 568.55 569.41 492.43 76.98
11 16759 698 22 119.30 125.80 124.90 0.00 567.65 567.55 491.49 76.06
12 17821 743 22 130.10 138.10 137.20 0.00 566.52 566.47 492.13 74.34
13 16356 682 22 138.40 124.30 123.40 0.00 568.49 567.04 491.55 75.49
14 17390 725 22 145.40 127.90 127.00 0.00 570.90 569.45 491.90 77.55
15 19401 808 21 140.00 143.00 142.10 0.00 570.48 570.67 492.69 77.98
16 17719 738 21 133.60 128.10 127.20 0.00 571.23 570.92 492.16 78.76
17 151.60 153.50 143.80 8.80 570.98 571.09 493.30 77.79
18 150.70 148.50 147.60 0.00 571.27 570.81 493.05 77.76
19 133.40 149.90 149.00 0.00 569.01 569.98 493.06 76.92
20 133.40 141.30 140.30 0.00 567.92 568.07 492.57 75.50
21 132.60 143.60 142.60 0.00 566.39 567.02 492.33 74.69
22 120.20 117.10 116.10 0.00 566.82 566.23 491.13 75.10
23 102.80 105.40 104.40 0.00 566.45 565.87 489.89 75.98
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TOT272548  352        
AVG 17034 710 22 129.09 129.33 127.86 0.56 569.28 569.02 491.86 77.15
MAX 19401   151.60 153.50 149.00 8.80 571.27 571.09 493.30 79.00
MIN 11183   82.50 83.40 82.50 0.00 566.39 565.87 489.32 74.34