Grand Coulee Dam
October 2025
Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow kcfs | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Midnight Reservoir Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet | Banks Lake Pump kcfs | Banks Lake Pump MWh | Banks Lake Elev |
1 | 28398 | 1183 | 191 | 73.00 | 48.90 | 48.90 | 0.00 | 1285.00 | 1284.65 | 956.73 | 327.92 | 2.99 | 1989 | 1568.07 |
2 | 35390 | 1475 | 176 | 69.50 | 59.30 | 59.30 | 0.00 | 1285.10 | 1285.02 | 957.21 | 327.81 | 3.00 | 1993 | 1567.93 |
3 | 30660 | 1278 | 179 | 71.20 | 51.50 | 51.50 | 0.00 | 1285.50 | 1285.24 | 956.33 | 328.91 | 3.33 | 2215 | 1567.87 |
4 | 25466 | 1061 | 190 | 61.90 | 42.90 | 42.90 | 0.00 | 1285.80 | 1285.68 | 956.05 | 329.63 | 9.00 | 6006 | 1568.05 |
5 | 27623 | 1151 | 192 | 66.80 | 46.80 | 46.80 | 0.00 | 1286.10 | 1285.90 | 956.36 | 329.54 | 8.71 | 5795 | 1568.44 |
6 | 42275 | 1761 | 216 | 65.20 | 71.30 | 71.30 | 0.00 | 1285.90 | 1285.94 | 957.88 | 328.06 | 1.99 | 1279 | 1568.29 |
7 | 40988 | 1708 | 208 | 66.50 | 69.70 | 69.70 | 0.00 | 1285.70 | 1285.78 | 957.65 | 328.13 | 2.40 | 1639 | 1568.07 |
8 | 43916 | 1830 | 233 | 65.90 | 73.20 | 73.20 | 0.00 | 1285.50 | 1285.62 | 958.53 | 327.09 | 3.09 | 2063 | 1567.91 |
9 | 42761 | 1782 | 265 | 68.30 | 71.70 | 71.70 | 0.00 | 1285.30 | 1285.39 | 958.77 | 326.62 | 2.66 | 1783 | 1567.74 |
10 | | | | 67.10 | 55.70 | 55.70 | 0.00 | 1285.40 | 1285.33 | 957.03 | 328.30 | | | 1567.96 |
11 | | | | 62.10 | 47.90 | 47.90 | 0.00 | 1285.50 | 1285.40 | 955.99 | 329.41 | | | 1568.22 |
12 | | | | 76.40 | 57.80 | 57.80 | 0.00 | 1285.80 | 1285.65 | 956.59 | 329.06 | | | 1568.51 |
13 | | | | 70.50 | 75.50 | 75.50 | 0.00 | 1285.50 | 1285.66 | 958.03 | 327.63 | | | 1568.53 |
14 | | | | 73.10 | 75.30 | 75.30 | 0.00 | 1285.40 | 1285.40 | 958.60 | 326.80 | | | 1568.36 |
15 | | | | 66.00 | 73.40 | 73.40 | 0.00 | 1285.20 | 1285.15 | 958.43 | 326.72 | | | 1568.20 |
16 | | | | 68.10 | 67.90 | 67.90 | 0.00 | 1285.10 | 1284.99 | 957.67 | 327.32 | | | 1568.02 |
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TOT | 317477 | | 1850 | | | | | | | | | | | |
AVG | 35275 | 1470 | 206 | 68.22 | 61.80 | 61.80 | 0.00 | 1285.49 | 1285.43 | 957.37 | 328.06 | 4.13 | 2751 | 1568.14 |
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MAX | 43916 | | | 76.40 | 75.50 | 75.50 | 0.00 | 1286.10 | 1285.94 | 958.77 | 329.63 | 9.00 | 6006 | 1568.53 |
MIN | 25466 | | | 61.90 | 42.90 | 42.90 | 0.00 | 1285.00 | 1284.65 | 955.99 | 326.62 | 1.99 | 1279 | 1567.74 |