The Dalles Dam
Sunday May 10, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 241.00 | 146.50 | 88.70 | 158.02 | 79.78 | 78.24 |
| 2 | 239.90 | 145.10 | 89.00 | 157.92 | 79.64 | 78.28 |
| 3 | 239.50 | 144.70 | 89.00 | 157.78 | 79.77 | 78.01 |
| 4 | 240.70 | 145.90 | 89.00 | 157.66 | 79.71 | 77.95 |
| 5 | 241.60 | 146.80 | 89.00 | 157.54 | 79.82 | 77.72 |
| 6 | 241.60 | 146.80 | 89.00 | 157.40 | 79.65 | 77.75 |
| 7 | 228.40 | 133.60 | 89.00 | 157.45 | 79.48 | 77.97 |
| 8 | 230.10 | 135.30 | 89.00 | 157.54 | 79.49 | 78.05 |
| 9 | 229.60 | 134.80 | 89.00 | 157.69 | 79.68 | 78.01 |
| 10 | 230.20 | 135.40 | 89.00 | 157.75 | 79.74 | 78.01 |
| 11 | 230.50 | 135.70 | 89.00 | 157.84 | 79.72 | 78.12 |
| 12 | 230.10 | 135.30 | 89.00 | 157.93 | 79.86 | 78.07 |
| 13 | 238.90 | 144.10 | 89.00 | 157.93 | 80.23 | 77.70 |
| 14 | 241.10 | 146.30 | 89.00 | 157.93 | 80.38 | 77.55 |
| 15 | 232.60 | 137.80 | 89.00 | 158.05 | 80.16 | 77.89 |
| 16 | 229.30 | 134.50 | 89.00 | 158.19 | 80.14 | 78.05 |
| 17 | 230.20 | 135.40 | 89.00 | 158.22 | 80.31 | 77.91 |
| 18 | 240.30 | 145.50 | 89.00 | 158.21 | 80.59 | 77.62 |
| 19 | 243.00 | 148.20 | 89.00 | 158.31 | 80.52 | 77.79 |
| 20 | 241.40 | 146.60 | 89.00 | 158.28 | 80.54 | 77.74 |
| 21 | 241.80 | 147.00 | 89.00 | 158.36 | 80.44 | 77.92 |
| 22 | 240.80 | 146.00 | 89.00 | 158.19 | 80.31 | 77.88 |
| 23 | 213.80 | 119.00 | 89.00 | 158.63 | 79.51 | 79.12 |
| 24 | 210.70 | 115.90 | 89.00 | 158.53 | 79.45 | 79.08 |
|
| AVG | 234.46 | 139.67 | 88.99 | 157.97 | 79.95 | 78.02 |
|
| MAX | 243.00 | 148.20 | 89.00 | 158.63 | 80.59 | 79.12 |
| MIN | 210.70 | 115.90 | 88.70 | 157.40 | 79.45 | 77.55 |