US Army Corps of Engineers

Grand Coulee Dam

April 2018

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetBanks Lake Pump kcfsBanks Lake Pump MWhBanks Lake Elev
1 49154 2048 102 85.30 92.50 92.50 0.00 1248.90 1248.94 960.25 288.69 5.70 4258 1568.79
2 63858 2661 114 91.30 123.00 123.00 0.00 1247.70 1248.26 963.39 284.87 4.95 3690 1568.83
3 59304 2471 119 84.30 112.90 112.90 0.00 1246.80 1247.16 961.89 285.27 0.00 0 1568.53
4 58903 2454 110 81.50 112.20 112.20 0.00 1245.70 1246.16 962.35 283.81 5.57 4188 1568.48
5 57986 2416 106 88.00 111.80 111.80 0.00 1244.70 1245.22 962.58 282.64 5.76 4349 1568.55
6 59515 2480 102 87.10 114.30 114.30 0.00 1243.60 1244.07 962.55 281.52 6.92 5222 1568.62
7 61017 2542 103 94.60 118.30 118.30 0.00 1242.60 1243.07 962.90 280.17 7.00 5306 1568.81
8 53466 2228 100 93.00 102.90 102.90 0.00 1242.10 1242.23 961.13 281.10 7.00 5301 1568.95
9 55703 2321 98 91.60 107.50 107.50 0.00 1241.30 1241.56 962.03 279.53 6.95 5286 1569.05
10 61585 2566 96 99.80 121.80 121.80 0.00 1240.40 1240.73 963.25 277.48 6.90 5278 1569.21
11 62927 2622 100 95.70 123.40 123.40 0.00 1239.20 1239.68 963.37 276.31 6.90 5257 1569.35
12 63481 2645 97 101.90 124.90 124.90 0.00 1238.20 1238.73 963.37 275.36 6.83 5243 1569.49
13 65385 2724 111 105.20 129.50 129.50 0.00 1237.20 1237.60 963.87 273.73 6.80 5227 1569.59
14 65792 2741 97 105.50 131.00 131.00 0.00 1236.00 1236.45 963.97 272.48 6.75 5205 1569.68
15 108.10 127.90 127.90 0.00 1235.20 1235.61 963.83 271.78 1569.82
16 117.40 137.20 137.20 0.00 1234.30 1234.80 964.63 270.17 1569.84
17 121.90 146.00 146.00 0.00 1233.30 1233.89 965.74 268.15 1569.75
18 125.70 155.70 155.70 0.00 1232.20 1232.81 966.78 266.03 1569.54
19 120.10 145.60 145.60 0.00 1231.20 1231.57 965.50 266.07 1569.54
20 130.50 154.50 154.50 0.00 1230.10 1230.47 966.50 263.97 1569.54
21 125.30 154.60 154.60 0.00 1228.90 1229.34 967.20 262.14 1569.54
22
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30
TOT838076  1455           
AVG 59863 2494 104 102.56 126.07 126.07 0.00 1239.03 1239.45 963.67 275.77 6.00 4558 1569.21
MAX 65792   130.50 155.70 155.70 0.00 1248.90 1248.94 967.20 288.69 7.00 5306 1569.84
MIN 49154   81.50 92.50 92.50 0.00 1228.90 1229.34 960.25 262.14 0.00 0 1568.48