Ice Harbor Dam
September 2026
| 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 |
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| 1 | | | | 20.00 | 20.80 | 13.10 | 7.00 | 438.32 | 438.18 | 338.51 | 99.67 |
| 2 | | | | 17.30 | 18.00 | 13.10 | 4.20 | 438.14 | 438.26 | 338.98 | 99.28 |
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| TOT | | | | | | | | | | | |
| AVG | | | | 18.65 | 19.40 | 13.10 | 5.60 | 438.23 | 438.22 | 338.75 | 99.47 |
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| MAX | | | | 20.00 | 20.80 | 13.10 | 7.00 | 438.32 | 438.26 | 338.98 | 99.67 |
| MIN | | | | 17.30 | 18.00 | 13.10 | 4.20 | 438.14 | 438.18 | 338.51 | 99.28 |