The Dalles Dam
March 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 | 24581 | 1024 | 48 | 174.60 | 172.50 | 168.40 | 0.00 | 159.10 | 158.57 | 77.48 | 81.09 |
| 2 | 25263 | 1053 | 48 | 174.80 | 176.00 | 171.90 | 0.00 | 158.86 | 159.08 | 77.41 | 81.67 |
| 3 | 24657 | 1027 | 48 | 170.70 | 172.10 | 168.10 | 0.00 | 158.59 | 158.68 | 77.27 | 81.41 |
| 4 | 23785 | 991 | 48 | 171.50 | 167.60 | 163.50 | 0.00 | 159.30 | 158.62 | 77.91 | 80.71 |
| 5 | 24068 | 1003 | 48 | 164.90 | 168.70 | 164.70 | 0.00 | 158.56 | 158.72 | 78.21 | 80.51 |
| 6 | 23877 | 995 | 48 | 167.50 | 167.00 | 163.00 | 0.00 | 158.69 | 158.65 | 78.26 | 80.39 |
| 7 | 23648 | 985 | 48 | 166.20 | 166.00 | 162.00 | 0.00 | 158.75 | 158.65 | 78.69 | 79.96 |
| 8 | 24270 | 1011 | 46 | 179.10 | 178.80 | 174.80 | 0.00 | 158.81 | 158.80 | 79.24 | 79.56 |
| 9 | 26005 | 1084 | 48 | 190.20 | 188.00 | 184.00 | 0.00 | 159.42 | 158.82 | 79.86 | 78.96 |
| 10 | 24238 | 1010 | 48 | 172.00 | 172.90 | 168.80 | 0.00 | 159.04 | 159.03 | 79.04 | 79.99 |
| 11 | 26087 | 1087 | 48 | 187.00 | 187.10 | 183.10 | 0.00 | 159.01 | 159.03 | 79.07 | 79.96 |
| 12 | 26655 | 1111 | 48 | 188.40 | 191.50 | 187.50 | 0.00 | 158.36 | 158.78 | 79.08 | 79.70 |
| 13 | 27536 | 1147 | 48 | 196.90 | 201.60 | 197.60 | 0.00 | 157.55 | 157.83 | 79.61 | 78.22 |
| 14 | 28771 | 1199 | 48 | 225.60 | 216.20 | 210.60 | 1.60 | 159.42 | 157.85 | 80.16 | 77.69 |
| 15 | 28758 | 1198 | 48 | 240.70 | 250.40 | 208.60 | 37.50 | 157.42 | 158.46 | 80.35 | 78.11 |
| 16 | | | | 239.10 | 230.90 | 206.20 | 20.40 | 159.03 | 158.59 | 80.18 | 78.41 |
| 17 | | | | 187.50 | 184.70 | 178.30 | 2.10 | 159.59 | 158.90 | 78.33 | 80.57 |
| 18 | | | | 188.00 | 189.80 | 178.30 | 7.20 | 159.19 | 159.32 | 77.96 | 81.36 |
| 19 | | | | 194.10 | 195.80 | 191.50 | 0.00 | 158.83 | 158.79 | 78.49 | 80.30 |
| 20 | | | | 203.30 | 200.80 | 196.50 | 0.00 | 159.35 | 159.13 | 78.47 | 80.66 |
| 21 | | | | 236.10 | 244.10 | 225.90 | 14.00 | 157.90 | 158.41 | 80.47 | 77.94 |
| 22 | | | | 249.90 | 246.90 | 232.20 | 10.40 | 158.45 | 158.19 | 81.25 | 76.94 |
| 23 | | | | | | | | 158.88 | | | |
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| TOT | 382199 | | 718 | | | | | | | | |
| AVG | 25480 | 1062 | 48 | 194.00 | 194.06 | 185.70 | 4.24 | 158.79 | 158.68 | 78.94 | 79.73 |
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| MAX | 28771 | | | 249.90 | 250.40 | 232.20 | 37.50 | 159.59 | 159.32 | 81.25 | 81.67 |
| MIN | 23648 | | | 164.90 | 166.00 | 162.00 | 0.00 | 157.42 | 157.83 | 77.27 | 76.94 |