US Army Corps of Engineers

Grand Coulee Dam

August 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 48743 2031 113 101.90 86.50 86.40 0.10 1282.70 1282.55 959.34 323.21 3.67 2426 1568.48
2 47117 1963 104 101.10 79.40 79.30 0.10 1283.10 1283.00 958.82 324.18 4.04 2678 1568.15
3 57271 2386 95 105.50 97.00 96.90 0.10 1283.10 1283.28 960.55 322.73 10.47 6981 1567.99
4 59327 2472 92 105.30 100.70 100.60 0.10 1282.90 1283.04 960.89 322.15 14.40 9648 1568.23
5 50168 2090 97 105.40 85.10 85.00 0.10 1283.00 1283.02 959.17 323.85 14.40 9645 1568.65
6 55695 2321 104 105.70 94.90 94.80 0.10 1283.20 1283.20 960.13 323.07 4.84 3240 1568.76
7 67319 2805 104 114.20 115.30 115.20 0.10 1283.00 1283.24 962.17 321.07 4.88 3265 1568.72
8 69961 2915 107 109.10 119.80 119.70 0.10 1282.60 1282.85 962.99 319.86 4.87 3256 1568.06
9 70124 2922 112 113.20 120.10 120.00 0.10 1282.30 1282.54 963.05 319.49 4.85 3244 1567.71
10 59896 2496 112 102.90 102.00 101.90 0.10 1282.20 1282.30 961.22 321.08 4.82 3222 1567.45
11 46654 1944 96 93.60 79.20 79.20 0.00 1282.20 1282.29 959.00 323.29 14.40 9648 1567.87
12 51702 2154 84 104.40 88.10 88.00 0.10 1282.30 1282.33 959.65 322.68 14.40 9641 1568.20
13 54803 2283 94 98.60 93.70 93.60 0.10 1282.20 1282.37 959.63 322.74 4.89 3273 1568.20
14 99.60 93.10 93.00 0.10 1282.30 1282.45 959.68 322.77 1567.97
15 104.70 98.00 97.90 0.10 1282.40 1282.44 960.86 321.58 1567.76
16 102.00 95.70 95.60 0.10 1282.40 1282.52 960.73 321.79 1567.52
17 101.80 87.80 87.70 0.10 1282.70 1282.67 960.39 322.28 1567.29
18 103.20 99.00 98.90 0.10 1282.70 1282.83 960.54 322.29 1567.08
19 104.10 94.00 93.90 0.10 1282.80 1282.92 960.31 322.61 1566.91
20 108.40 100.30 100.30 0.10 1282.90 1282.87 961.18 321.69 1566.75
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TOT738780  1314           
AVG 56829 2368 101 104.23 96.48 96.40 0.10 1282.65 1282.74 960.51 322.22 8.07 5397 1567.89
MAX 70124   114.20 120.10 120.00 0.10 1283.20 1283.28 963.05 324.18 14.40 9648 1568.76
MIN 46654   93.60 79.20 79.20 0.00 1282.20 1282.29 958.82 319.49 3.67 2426 1566.75