John Day & Lake Umatilla
April 2025
| 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 | | | | 228.70 | 220.80 | 184.60 | 34.90 | 265.92 | 265.86 | 161.77 | 104.09 |
| 2 | | | | 200.60 | 209.60 | 191.10 | 17.20 | 265.52 | 265.65 | 161.50 | 104.15 |
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| TOT | | | | | | | | | | | |
| AVG | | | | 214.65 | 215.20 | 187.85 | 26.05 | 265.72 | 265.75 | 161.63 | 104.12 |
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| MAX | | | | 228.70 | 220.80 | 191.10 | 34.90 | 265.92 | 265.86 | 161.77 | 104.15 |
| MIN | | | | 200.60 | 209.60 | 184.60 | 17.20 | 265.52 | 265.65 | 161.50 | 104.09 |