Priest Rapids Dam & Reservoir
August 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 | | | | 102.40 | 104.40 | 80.50 | 23.40 | 484.91 | 485.28 | 408.36 | 76.92 |
| 2 | | | | 87.20 | 87.80 | 64.80 | 22.60 | 484.74 | 484.99 | 406.84 | 78.15 |
| 3 | | | | 84.90 | 77.20 | 58.20 | 18.70 | 486.86 | 485.37 | 405.86 | 79.51 |
| 4 | | | | 98.30 | 104.40 | 79.60 | 24.40 | 485.16 | 485.60 | 408.41 | 77.19 |
| 5 | | | | 97.00 | 94.10 | 70.00 | 23.70 | 485.98 | 485.39 | 407.51 | 77.88 |
| 6 | | | | 98.40 | 95.40 | 68.00 | 27.00 | 486.80 | 486.57 | 407.60 | 78.97 |
| 7 | | | | 106.60 | 108.70 | 81.20 | 27.00 | 486.23 | 486.52 | 408.72 | 77.80 |
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| TOT | | | | | | | | | | | |
| AVG | | | | 96.40 | 96.00 | 71.76 | 23.83 | 485.81 | 485.67 | 407.61 | 78.06 |
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| MAX | | | | 106.60 | 108.70 | 81.20 | 27.00 | 486.86 | 486.57 | 408.72 | 79.51 |
| MIN | | | | 84.90 | 77.20 | 58.20 | 18.70 | 484.74 | 484.99 | 405.86 | 76.92 |