US Army Corps of Engineers

Grand Coulee Dam

October 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 41261 1719 52 61.80 69.00 69.00 0.00 1283.60 1283.69 957.35 326.34 0.70 448 1567.69
2 28456 1186 51 46.80 48.20 48.20 0.00 1283.50 1283.50 955.75 327.75 2.58 1661 1567.57
3 33374 1391 77 73.40 57.10 57.10 0.00 1283.90 1283.53 956.35 327.18 2.54 1639 1567.40
4 31394 1308 89 54.60 54.00 54.00 0.00 1283.80 1283.72 956.25 327.47 2.55 1643 1567.29
5 35620 1484 96 67.40 60.80 60.80 0.00 1283.90 1283.78 957.03 326.75 2.55 1641 1567.19
6 24292 1012 82 58.70 42.30 42.30 0.00 1284.20 1283.91 955.63 328.28 4.59 2961 1567.26
7 30306 1263 91 66.20 51.70 51.70 0.00 1284.50 1284.34 956.15 328.19 2.54 1639 1567.19
8 42696 1779 90 74.30 71.80 71.80 0.00 1284.50 1284.42 957.99 326.43 2.54 1639 1567.10
9 37124 1547 90 75.10 64.60 64.60 0.00 1284.70 1284.60 957.16 327.44 2.55 1643 1567.10
10 44859 1869 88 73.70 75.10 75.10 0.00 1284.60 1284.51 958.27 326.24 2.55 1652 1567.03
11 69.80 75.20 75.20 0.00 1284.40 1284.47 958.28 326.19 1566.96
12 67.70 62.90 62.90 0.00 1284.40 1284.31 957.20 327.11 1566.86
13 67.30 50.50 50.50 0.00 1284.60 1284.49 956.29 328.20 1567.24
14 50.70 59.70 59.70 0.00 1284.10 1284.25 957.11 327.14 1567.94
15 57.20 63.50 63.50 0.00 1283.80 1283.92 957.03 326.89 1567.97
16 57.50 55.90 55.90 0.00 1283.80 1283.75 956.71 327.04 1567.94
17 69.20 53.70 53.70 0.00 1284.10 1283.89 956.25 327.64 1567.94
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TOT349382  806           
AVG 34938 1456 81 64.20 59.76 59.76 0.00 1284.14 1284.06 956.87 327.19 2.57 1657 1567.39
MAX 44859   75.10 75.20 75.20 0.00 1284.70 1284.60 958.28 328.28 4.59 2961 1567.97
MIN 24292   46.80 42.30 42.30 0.00 1283.50 1283.50 955.63 326.19 0.70 448 1566.86