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 | 23949 | 998 | 48 | 161.70 | 161.30 | 159.20 | 0.00 | 158.87 | 158.95 | 76.70 | 82.25 |
| 8 | 24366 | 1015 | 48 | 163.50 | 163.70 | 161.60 | 0.00 | 158.79 | 158.90 | 76.37 | 82.53 |
| 9 | 22850 | 952 | 48 | 151.00 | 154.60 | 153.50 | 0.00 | 158.14 | 158.41 | 76.82 | 81.59 |
| 10 | 22085 | 920 | 48 | 152.80 | 148.90 | 148.30 | 0.00 | 158.84 | 158.74 | 77.02 | 81.72 |
| 11 | 22949 | 956 | 48 | 154.30 | 153.40 | 152.80 | 0.00 | 159.03 | 158.84 | 76.52 | 82.32 |
| 12 | 24867 | 1036 | 48 | 169.20 | 168.70 | 168.10 | 0.00 | 159.08 | 158.61 | 77.47 | 81.14 |
| 13 | 24721 | 1030 | 48 | 167.10 | 166.50 | 165.90 | 0.00 | 159.22 | 159.09 | 77.43 | 81.66 |
| 14 | | | | 156.20 | 159.10 | 158.50 | 0.00 | 158.71 | 159.00 | 77.02 | 81.98 |
| 15 | | | | 170.40 | 168.30 | 167.70 | 0.00 | 159.06 | 159.25 | 76.49 | 82.76 |
| 16 | | | | 173.10 | 177.70 | 177.10 | 0.00 | 158.25 | 158.54 | 77.18 | 81.36 |
| 17 | | | | 173.00 | 176.40 | 175.80 | 0.00 | 157.75 | 158.27 | 77.55 | 80.72 |
| 18 | | | | 183.90 | 173.90 | 173.30 | 0.00 | 159.64 | 158.29 | 77.98 | 80.31 |
| 19 | | | | 175.20 | 182.30 | 181.70 | 0.00 | 158.27 | 158.81 | 78.72 | 80.09 |
| 20 | | | | 174.10 | 175.50 | 174.90 | 0.00 | 158.04 | 158.26 | 79.00 | 79.26 |
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| TOT | 313020 | | 624 | | | | | | | | |
| AVG | 24078 | 1003 | 48 | 166.28 | 166.45 | 165.28 | 0.00 | 158.73 | 158.80 | 77.30 | 81.50 |
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| MAX | 25754 | | | 183.90 | 182.30 | 181.70 | 0.00 | 159.64 | 159.33 | 79.00 | 82.76 |
| MIN | 22085 | | | 151.00 | 148.90 | 148.30 | 0.00 | 157.75 | 158.26 | 76.37 | 79.26 |