The Dalles Dam
June 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 | | | | 226.40 | 230.60 | 134.90 | 89.90 | 157.49 | 158.24 | 79.14 | 79.10 |
| 2 | | | | 231.90 | 234.00 | 136.20 | 92.00 | 157.06 | 158.07 | 78.88 | 79.19 |
| 3 | | | | 233.40 | 231.20 | 131.50 | 94.00 | 157.43 | 158.34 | 79.07 | 79.27 |
| 4 | | | | 198.80 | 202.30 | 104.00 | 92.50 | 156.80 | 157.56 | 77.75 | 79.81 |
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| TOT | | | | | | | | | | | |
| AVG | | | | 222.62 | 224.52 | 126.65 | 92.10 | 157.19 | 158.05 | 78.71 | 79.34 |
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| MAX | | | | 233.40 | 234.00 | 136.20 | 94.00 | 157.49 | 158.34 | 79.14 | 79.81 |
| MIN | | | | 198.80 | 202.30 | 104.00 | 89.90 | 156.80 | 157.56 | 77.75 | 79.10 |