US Army Corps of Engineers

Grand Coulee Dam

April 2024

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 30042 1252 208 66.80 52.20 52.20 0.00 1283.60 1283.23 957.64 325.59 2.41 1587 1568.67
2 26914 1121 214 65.40 48.50 48.50 0.00 1283.90 1283.64 957.35 326.29 2.38 1562 1568.49
3 28268 1178 214 58.80 58.90 58.90 0.00 1284.10 1283.98 957.05 326.93 3.16 2091 1568.20
4 35140 1464 213 58.00 60.70 60.70 0.00 1284.00 1283.87 957.19 326.68 0.85 568 1567.80
5 36423 1518 206 64.20 61.00 61.00 0.00 1283.90 1283.84 957.20 326.64 5.98 3891 1567.84
6 24558 1023 198 65.00 44.60 44.60 0.00 1284.10 1283.96 955.81 328.15 10.90 7246 1568.21
7 29333 1222 197 70.20 50.90 50.90 0.00 1284.40 1284.14 956.65 327.49 10.90 7247 1568.55
8 41539 1731 207 68.50 69.70 69.70 0.00 1284.20 1284.15 958.24 325.91 4.40 2935 1568.41
9 37797 1575 214 60.70 63.10 63.10 0.00 1284.10 1283.98 957.50 326.48 3.98 2651 1568.15
10 49569 2065 206 71.40 82.70 82.70 0.00 1283.70 1283.77 959.10 324.67 2.58 1719 1567.77
11 50944 2123 199 72.30 86.70 86.70 0.00 1283.20 1283.31 959.68 323.63 3.76 2627 1567.55
12 43584 1816 199 66.10 74.40 74.40 0.00 1282.90 1282.96 958.83 324.13 5.41 3750 1567.43
13 67.50 76.80 76.80 0.00 1282.40 1282.52 958.68 323.84 1567.56
14 68.40 67.20 67.20 0.00 1282.20 1282.17 957.54 324.63 1567.75
15 63.70 57.10 57.10 0.00 1282.20 1282.16 957.02 325.14 1567.70
16 78.00 80.80 80.80 0.00 1282.00 1282.02 958.86 323.16 1567.56
17 78.00 82.80 82.80 0.00 1281.80 1281.74 959.26 322.48 1567.45
18 75.50 76.90 70.90 6.00 1281.60 1281.63 959.01 322.62 1567.07
19 74.10 74.00 74.00 0.00 1281.40 1281.53 958.57 322.96 1567.14
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TOT434111  2475           
AVG 36176 1507 206 68.03 66.79 66.47 0.32 1283.14 1283.08 957.96 325.13 4.73 3156 1567.86
MAX 50944   78.00 86.70 86.70 6.00 1284.40 1284.15 959.68 328.15 10.90 7247 1568.67
MIN 24558   58.00 44.60 44.60 0.00 1281.40 1281.53 955.81 322.48 0.85 568 1567.07