The Dalles Dam
February 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 | 25113 | 1046 | 48 | 171.60 | 170.00 | 168.80 | 0.00 | 158.82 | 159.28 | 77.73 | 81.55 |
| 2 | 24268 | 1011 | 48 | 165.70 | 165.50 | 163.70 | 0.00 | 158.85 | 158.90 | 77.67 | 81.23 |
| 3 | 24308 | 1013 | 48 | 161.90 | 166.00 | 163.90 | 0.00 | 158.09 | 158.96 | 77.61 | 81.35 |
| 4 | 22845 | 952 | 48 | 162.50 | 154.90 | 152.80 | 0.00 | 159.48 | 158.59 | 76.78 | 81.81 |
| 5 | 25754 | 1073 | 48 | 169.60 | 173.20 | 171.10 | 0.00 | 158.85 | 159.33 | 76.76 | 82.57 |
| 6 | 24945 | 1039 | 48 | 168.80 | 169.10 | 167.00 | 0.00 | 158.80 | 158.98 | 77.12 | 81.86 |
| 7 | | | | 161.70 | 161.30 | 159.20 | 0.00 | 158.87 | 158.95 | 76.70 | 82.25 |
| 8 | | | | 163.50 | 163.70 | 161.60 | 0.00 | 158.79 | 158.90 | 76.37 | 82.53 |
| 9 | | | | 151.00 | 154.60 | 153.50 | 0.00 | 158.14 | 158.41 | 76.82 | 81.59 |
| 10 | | | | 152.80 | 148.90 | 148.30 | 0.00 | 158.84 | 158.74 | 77.02 | 81.72 |
| 11 | | | | 154.30 | 153.40 | 152.80 | 0.00 | 159.03 | 158.84 | 76.52 | 82.32 |
| 12 | | | | 169.20 | 168.70 | 168.10 | 0.00 | 159.08 | 158.61 | 77.47 | 81.14 |
| 13 | | | | 167.10 | 166.50 | 165.90 | 0.00 | 159.22 | 159.09 | 77.43 | 81.66 |
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| TOT | 147233 | | 288 | | | | | | | | |
| AVG | 24539 | 1022 | 48 | 163.05 | 162.75 | 161.28 | 0.00 | 158.84 | 158.89 | 77.08 | 81.81 |
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| MAX | 25754 | | | 171.60 | 173.20 | 171.10 | 0.00 | 159.48 | 159.33 | 77.73 | 82.57 |
| MIN | 22845 | | | 151.00 | 148.90 | 148.30 | 0.00 | 158.09 | 158.41 | 76.37 | 81.14 |