Ice Harbor Dam
Monday June 22, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 24.10 | 14.00 | 9.50 | 437.94 | 339.15 | 98.79 | 340.12 |
| 2 | 23.10 | 13.00 | 9.60 | 437.89 | 339.16 | 98.73 | 340.17 |
| 3 | 23.60 | 13.50 | 9.60 | 438.02 | 339.73 | 98.29 | 340.55 |
| 4 | 35.50 | 24.10 | 9.40 | 438.03 | 340.36 | 97.67 | 341.09 |
| 5 | 34.20 | 24.30 | 9.40 | 438.01 | 340.02 | 97.99 | 340.71 |
| 6 | 35.40 | 25.40 | 9.40 | 437.91 | 340.07 | 97.84 | 340.87 |
| 7 | 23.00 | 13.00 | 9.50 | 438.00 | 338.95 | 99.05 | 339.90 |
| 8 | 23.00 | 13.00 | 9.50 | 438.03 | 339.17 | 98.86 | 340.00 |
| 9 | 23.10 | 13.00 | 9.60 | 438.21 | 339.08 | 99.13 | 339.94 |
| 10 | 23.10 | 13.00 | 9.60 | 438.23 | 339.40 | 98.83 | 339.89 |
| 11 | 23.00 | 13.00 | 9.40 | 438.26 | 339.40 | 98.86 | 339.82 |
| 12 | 23.60 | 13.60 | 9.50 | 438.27 | 339.72 | 98.55 | 340.22 |
| 13 | 34.10 | 24.20 | 9.40 | 438.28 | 340.37 | 97.91 | 340.67 |
| 14 | 34.20 | 24.20 | 9.50 | 438.31 | 340.22 | 98.09 | 340.58 |
| 15 | 34.30 | 24.30 | 9.50 | 438.21 | 340.25 | 97.96 | 340.58 |
| 16 | 35.50 | 25.50 | 9.40 | 438.10 | 340.98 | 97.12 | 341.18 |
| 17 | 45.20 | 35.30 | 9.40 | 438.01 | 341.43 | 96.58 | 341.53 |
| 18 | 45.70 | 35.80 | 9.40 | 438.23 | 341.42 | 96.81 | 341.55 |
| 19 | 45.90 | 36.00 | 9.40 | 438.07 | 341.51 | 96.56 | 341.60 |
| 20 | 45.70 | 35.80 | 9.40 | 438.16 | 341.45 | 96.71 | 341.62 |
| 21 | 45.70 | 35.70 | 9.40 | 438.04 | 341.46 | 96.58 | 341.55 |
| 22 | 45.80 | 35.90 | 9.40 | 438.11 | 341.45 | 96.66 | 341.60 |
| 23 | 46.40 | 36.50 | 9.40 | 437.62 | 341.60 | 96.02 | 341.82 |
| 24 | 37.80 | 26.40 | 9.40 | 437.78 | 340.60 | 97.18 | 340.91 |
|
| AVG | 33.79 | 23.69 | 9.46 | 438.07 | 340.29 | 97.78 | 340.77 |
|
| MAX | 46.40 | 36.50 | 9.60 | 438.31 | 341.60 | 99.13 | 341.82 |
| MIN | 23.00 | 13.00 | 9.40 | 437.62 | 338.95 | 96.02 | 339.82 |