US Army Corps of Engineers

Grand Coulee Dam

August 2020

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 69415 2892 144 131.30 115.10 115.10 0.00 1289.20 1289.21 962.09 327.12 14.60 9600 1568.17
2 68299 2846 144 116.80 113.30 113.30 0.00 1288.90 1289.15 962.08 327.07 14.60 9600 1568.52
3 73468 3061 144 119.00 122.20 122.20 0.00 1288.70 1288.81 962.80 326.01 4.98 3273 1568.59
4 75456 3144 144 126.20 125.60 125.60 0.00 1288.60 1288.66 963.55 325.11 5.56 3655 1568.35
5 118.30 114.30 114.30 0.00 1288.50 1288.53 962.42 326.11 1568.28
6 113.90 117.50 117.50 0.00 1288.30 1288.41 963.00 325.41 1568.16
7 118.20 126.00 126.00 0.00 1287.90 1288.10 963.66 324.44 1567.96
8 118.90 108.50 108.50 0.00 1288.10 1288.97 961.85 327.12 1567.68
9 123.70 105.60 105.60 0.00 1288.20 1288.19 961.23 326.96 1567.80
10 124.60 106.50 106.50 0.00 1288.60 1288.46 961.24 327.22 1567.85
11 121.30 104.00 104.00 0.00 1288.90 1288.72 961.40 327.32 1567.69
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TOT286638  576           
AVG 71660 2986 144 121.11 114.42 114.42 0.00 1288.54 1288.66 962.30 326.35 9.94 6532 1568.10
MAX 75456   131.30 126.00 126.00 0.00 1289.20 1289.21 963.66 327.32 14.60 9600 1568.59
MIN 68299   113.90 104.00 104.00 0.00 1287.90 1288.10 961.23 324.44 4.98 3273 1567.68