US Army Corps of Engineers

Grand Coulee Dam

December 2019

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 56208 2342 144 90.30 94.80 94.80 0.00 1272.40 1272.41 960.86 311.55 0.00 0 1568.04
2 52230 2176 144 88.30 90.50 90.50 0.00 1272.30 1272.29 960.30 311.99 0.00 0 1567.96
3 50961 2123 144 87.30 88.40 88.40 0.00 1272.30 1272.22 959.91 312.31 0.00 0 1567.95
4 51511 2146 144 91.60 90.50 90.50 0.00 1272.30 1272.43 960.61 311.82 0.00 0 1567.95
5 88.70 94.90 94.90 0.00 1272.20 1272.16 960.79 311.37 1567.94
6 86.10 93.50 93.50 0.00 1272.00 1272.05 959.77 312.28 1567.98
7 88.80 90.30 90.30 0.00 1271.90 1271.88 960.19 311.69 1567.97
8 84.20 86.00 86.00 0.00 1271.90 1271.93 959.28 312.65 1568.02
9 92.80 96.80 96.80 0.00 1271.70 1271.76 960.63 311.13 1568.00
10 91.30 97.90 97.90 0.00 1271.60 1271.59 960.95 310.64 1568.00
11 93.20 102.60 102.60 0.00 1271.30 1271.39 961.08 310.31 1568.00
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TOT210910  576           
AVG 52728 2197 144 89.33 93.29 93.29 0.00 1271.99 1272.01 960.40 311.61 0.00 0 1567.98
MAX 56208   93.20 102.60 102.60 0.00 1272.40 1272.43 961.08 312.65 0.00 0 1568.04
MIN 50961   84.20 86.00 86.00 0.00 1271.30 1271.39 959.28 310.31 0.00 0 1567.94