US Army Corps of Engineers

McNary Dam & Lake Wallula

November 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 15650 652 100 119.50 126.20 121.50 0.00 338.14 338.62 266.44 72.18
2 15347 639 96 133.40 129.20 124.60 0.00 338.34 338.54 266.52 72.02
3 13562 565 96 120.20 113.20 108.50 0.00 338.64 338.73 266.03 72.70
4 13906 579 96 114.50 116.70 110.40 1.50 338.57 338.91 265.62 73.29
5 13375 557 96 116.10 110.80 106.10 0.00 338.87 338.75 265.32 73.43
6 13580 566 96 108.50 113.60 107.30 1.60 338.59 338.91 265.30 73.61
7 14824 618 96 127.80 122.70 118.00 0.00 338.86 338.87 265.56 73.31
8 15848 660 96 126.20 133.10 126.70 1.60 338.52 338.92 265.94 72.98
9 17098 712 96 145.40 144.90 140.20 0.00 338.54 338.51 266.51 72.00
10 15420 643 96 130.20 130.30 124.00 1.60 338.52 338.73 266.12 72.61
11 17320 722 96 134.60 144.30 139.60 0.00 337.98 338.51 266.14 72.37
12 17205 717 96 146.60 147.90 141.70 1.50 337.91 338.25 266.37 71.88
13 16827 701 96 142.90 142.40 137.70 0.00 337.98 338.14 266.52 71.62
14 15379 641 96 132.70 130.40 124.20 1.50 338.04 338.37 266.06 72.31
15 14485 604 96 119.30 120.40 115.70 0.00 338.02 338.46 265.56 72.90
16 13243 552 96 116.70 109.70 105.00 0.00 338.38 338.31 265.00 73.31
17 15773 657 96 124.70 130.90 126.20 0.00 338.06 338.54 265.31 73.23
18 15930 664 96 135.50 132.20 127.50 0.00 338.22 338.42 265.40 73.02
19 136.50 137.40 132.70 0.00 338.18 338.42 265.68 72.74
20 150.10 150.60 145.90 0.00 338.15 338.49 265.95 72.54
21 146.90 149.30 144.60 0.00 338.00 338.34 265.93 72.41
22 152.30 150.20 145.50 0.00 338.12 338.36 265.89 72.47
23 146.40 135.80 131.10 0.00 338.66 338.36 265.39 72.97
24 143.40 141.00 136.30 0.00 338.83 338.87 265.42 73.45
25 125.30 136.20 131.50 0.00 338.23 338.58 265.43 73.15
26
27
28
29
30
TOT274772  1732        
AVG 15265 636 96 131.83 131.98 126.90 0.37 338.33 338.56 265.82 72.74
MAX 17320   152.30 150.60 145.90 1.60 338.87 338.92 266.52 73.61
MIN 13243   108.50 109.70 105.00 0.00 337.91 338.14 265.00 71.62
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