Priest Rapids Dam & Reservoir
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 |
| 1 | 16426 | 684 | 48 | 166.00 | 165.30 | 125.30 | 39.00 | 487.48 | 487.32 | 413.39 | 73.93 |
| 2 | | | | 197.50 | 197.30 | 118.80 | 77.40 | 487.53 | 487.43 | 415.09 | 72.34 |
| 3 | | | | 207.30 | 207.60 | 123.30 | 83.20 | 487.44 | 487.48 | 415.75 | 71.73 |
| 4 | | | | 203.00 | 204.60 | 111.30 | 92.20 | 487.01 | 487.10 | 415.79 | 71.31 |
| 5 | | | | 171.80 | 172.60 | 122.90 | 48.70 | 486.81 | 486.72 | 414.52 | 72.20 |
| 6 | | | | 169.40 | 167.70 | 107.60 | 59.10 | 487.25 | 487.16 | 413.45 | 73.71 |
| 7 | | | | 176.30 | 178.90 | 100.70 | 77.20 | 486.54 | 486.87 | 414.53 | 72.34 |
| 8 | | | | 175.70 | 172.60 | 127.90 | 43.70 | 487.36 | 486.90 | 414.96 | 71.94 |
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| TOT | 16426 | | 48 | | | | | | | | |
| AVG | 16426 | 684 | 48 | 183.38 | 183.33 | 117.23 | 65.06 | 487.18 | 487.12 | 414.68 | 72.44 |
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| MAX | 16426 | | | 207.30 | 207.60 | 127.90 | 92.20 | 487.53 | 487.48 | 415.79 | 73.93 |
| MIN | 16426 | | | 166.00 | 165.30 | 100.70 | 39.00 | 486.54 | 486.72 | 413.39 | 71.31 |