Ice Harbor Dam
Wednesday August 5, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 21.40 | 13.00 | 7.90 | 437.74 | 338.76 | 98.98 | 339.24 |
| 2 | 21.40 | 13.00 | 7.90 | 437.86 | 338.69 | 99.17 | 339.22 |
| 3 | 21.40 | 13.00 | 7.90 | 437.79 | 338.77 | 99.02 | 339.21 |
| 4 | 21.40 | 13.00 | 7.90 | 437.97 | 338.73 | 99.24 | 339.28 |
| 5 | 21.40 | 13.00 | 7.90 | 437.94 | 338.79 | 99.15 | 339.27 |
| 6 | 21.40 | 13.00 | 7.90 | 438.02 | 338.83 | 99.19 | 339.34 |
| 7 | 21.40 | 13.00 | 7.90 | 438.11 | 338.86 | 99.25 | 339.33 |
| 8 | 21.40 | 12.90 | 7.90 | 438.20 | 338.90 | 99.30 | 339.37 |
| 9 | 21.40 | 12.90 | 7.90 | 438.18 | 338.94 | 99.24 | 339.40 |
| 10 | 21.30 | 12.80 | 7.90 | 438.19 | 338.88 | 99.31 | 339.40 |
| 11 | 23.10 | 13.20 | 7.90 | 438.27 | 339.24 | 99.03 | 339.65 |
| 12 | 34.20 | 25.70 | 7.90 | 438.21 | 340.11 | 98.10 | 340.44 |
| 13 | 34.40 | 26.00 | 7.90 | 438.31 | 340.08 | 98.23 | 340.39 |
| 14 | 34.40 | 25.90 | 7.90 | 438.14 | 340.06 | 98.08 | 340.36 |
| 15 | 34.50 | 26.00 | 7.90 | 438.24 | 340.03 | 98.21 | 340.32 |
| 16 | 35.90 | 25.90 | 7.90 | 438.23 | 340.08 | 98.15 | 340.34 |
| 17 | 34.40 | 25.90 | 7.90 | 438.17 | 340.04 | 98.13 | 340.30 |
| 18 | 36.00 | 26.10 | 7.90 | 438.12 | 340.11 | 98.01 | 340.34 |
| 19 | 34.60 | 26.20 | 7.90 | 438.08 | 339.95 | 98.13 | 340.28 |
| 20 | 34.40 | 26.00 | 7.90 | 438.07 | 339.96 | 98.11 | 340.26 |
| 21 | 34.40 | 26.00 | 7.90 | 438.10 | 339.90 | 98.20 | 340.19 |
| 22 | 34.40 | 26.00 | 7.90 | 437.76 | 339.91 | 97.85 | 340.21 |
| 23 | 34.30 | 25.90 | 7.90 | 437.77 | 339.86 | 97.91 | 340.18 |
| 24 | 23.80 | 13.90 | 7.90 | 437.86 | 338.50 | 99.36 | 339.00 |
|
| AVG | 28.20 | 19.51 | 7.90 | 438.06 | 339.42 | 98.64 | 339.81 |
|
| MAX | 36.00 | 26.20 | 7.90 | 438.31 | 340.11 | 99.36 | 340.44 |
| MIN | 21.30 | 12.80 | 7.90 | 437.74 | 338.50 | 97.85 | 339.00 |