Priest Rapids Dam & Reservoir
May 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 |
| 1 | | | | 168.20 | 165.00 | 132.00 | 32.00 | 487.11 | 485.77 | 414.29 | 71.48 |
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| TOT | | | | | | | | | | | |
| AVG | | | | 168.20 | 165.00 | 132.00 | 32.00 | 487.11 | 485.77 | 414.29 | 71.48 |
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| MAX | | | | 168.20 | 165.00 | 132.00 | 32.00 | 487.11 | 485.77 | 414.29 | 71.48 |
| MIN | | | | 168.20 | 165.00 | 132.00 | 32.00 | 487.11 | 485.77 | 414.29 | 71.48 |