US Army Corps of Engineers

Grand Coulee Dam

February 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 79723 3322 175 120.80 136.00 136.00 0.00 1278.60 1278.75 964.22 314.53 0.00 0 1567.73
2 77341 3223 171 116.00 131.90 131.90 0.00 1278.10 1278.22 963.71 314.51 1.19 797 1567.71
3 69766 2907 152 115.00 119.00 119.00 0.00 1277.90 1277.93 962.44 315.49 3.60 2418 1567.99
4 68693 2862 149 118.10 117.80 117.80 0.00 1277.70 1277.84 962.69 315.15 5.97 4034 1568.44
5 73007 3042 150 120.00 125.70 125.70 0.00 1277.50 1277.61 963.62 313.99 3.73 2520 1568.67
6 76461 3186 169 125.90 131.00 131.00 0.00 1277.30 1277.35 963.24 314.11 2.44 1648 1568.65
7 81300 3388 158 126.90 145.70 142.40 3.30 1276.80 1277.06 964.46 312.60 0.00 0 1568.46
8 84765 3532 146 117.40 147.50 145.50 2.00 1276.00 1276.37 965.42 310.95 0.00 0 1568.30
9 92539 3856 163 122.70 160.10 160.10 0.00 1275.00 1275.47 967.00 308.47 0.00 0 1568.06
10 89376 3724 178 129.60 157.56 157.50 0.00 1274.30 1274.50 966.54 307.96 0.00 0 1568.08
11 93499 3896 178 134.80 162.60 162.60 0.00 1273.50 1273.81 967.11 306.70 0.00 0 1567.78
12 88432 3685 193 128.30 156.00 156.00 0.00 1272.80 1273.12 966.75 306.37 0.00 0 1567.73
13 135.90 156.10 156.10 0.00 1272.20 1272.41 966.87 305.54 1567.55
14 133.70 159.30 159.30 0.00 1271.50 1271.87 966.63 305.24 1567.40
15 138.50 155.00 155.00 0.00 1271.00 1271.33 966.02 305.31 1567.22
16 134.40 155.60 155.60 0.00 1270.50 1270.73 966.03 304.70 1567.03
17 133.70 155.80 155.80 0.00 1269.60 1269.92 966.07 303.85 1567.85
18 141.10 154.60 154.60 0.00 1269.10 1269.46 965.89 303.57 1567.99
19 131.40 150.60 150.60 0.00 1268.40 1268.69 965.42 303.27 1568.58
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TOT974902  1982           
AVG 81242 3385 165 127.59 146.20 145.92 0.28 1274.09 1274.34 965.27 309.07 1.41 951 1567.96
MAX 93499   141.10 162.60 162.60 3.30 1278.60 1278.75 967.11 315.49 5.97 4034 1568.67
MIN 68693   115.00 117.80 117.80 0.00 1268.40 1268.69 962.44 303.27 0.00 0 1567.03