Ice Harbor Dam
Saturday August 1, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 21.00 | 12.60 | 7.90 | 438.09 | 338.92 | 99.17 | 339.50 |
| 2 | 21.00 | 12.60 | 7.90 | 437.95 | 339.04 | 98.91 | 339.55 |
| 3 | 20.90 | 12.50 | 7.90 | 438.00 | 339.02 | 98.98 | 339.53 |
| 4 | 22.50 | 12.60 | 7.90 | 438.05 | 339.11 | 98.94 | 339.65 |
| 5 | 21.00 | 12.60 | 7.90 | 438.03 | 339.12 | 98.91 | 339.67 |
| 6 | 20.90 | 12.50 | 7.90 | 438.22 | 339.15 | 99.07 | 339.68 |
| 7 | 20.90 | 12.50 | 7.80 | 438.17 | 339.16 | 99.01 | 339.72 |
| 8 | 22.20 | 13.90 | 7.80 | 438.15 | 340.18 | 97.97 | 340.43 |
| 9 | 34.20 | 25.90 | 7.80 | 438.12 | 340.68 | 97.44 | 340.90 |
| 10 | 34.60 | 26.30 | 7.80 | 438.03 | 340.62 | 97.41 | 340.81 |
| 11 | 35.00 | 26.70 | 7.90 | 437.95 | 340.72 | 97.23 | 340.94 |
| 12 | 35.10 | 26.70 | 7.80 | 437.92 | 340.75 | 97.17 | 340.92 |
| 13 | 21.40 | 13.10 | 7.80 | 438.01 | 339.37 | 98.64 | 339.89 |
| 14 | 20.90 | 12.60 | 7.80 | 437.98 | 339.53 | 98.45 | 340.01 |
| 15 | 21.00 | 12.70 | 7.80 | 438.16 | 339.50 | 98.66 | 340.02 |
| 16 | 21.80 | 13.40 | 7.90 | 438.05 | 340.29 | 97.76 | 340.67 |
| 17 | 34.30 | 25.90 | 7.90 | 437.98 | 340.87 | 97.11 | 341.00 |
| 18 | 34.70 | 26.20 | 7.90 | 438.01 | 340.71 | 97.30 | 340.92 |
| 19 | 36.10 | 26.20 | 7.90 | 437.70 | 340.77 | 96.93 | 340.99 |
| 20 | 34.60 | 26.20 | 7.90 | 437.87 | 340.57 | 97.30 | 340.81 |
| 21 | 36.00 | 26.10 | 7.90 | 437.70 | 340.62 | 97.08 | 340.82 |
| 22 | 34.60 | 26.20 | 7.90 | 437.66 | 340.55 | 97.11 | 340.79 |
| 23 | 34.60 | 26.20 | 7.90 | 437.62 | 340.55 | 97.07 | 340.78 |
| 24 | 33.90 | 25.50 | 7.90 | 437.59 | 339.84 | 97.75 | 340.33 |
|
| AVG | 28.05 | 19.49 | 7.87 | 437.96 | 339.98 | 97.97 | 340.35 |
|
| MAX | 36.10 | 26.70 | 7.90 | 438.22 | 340.87 | 99.17 | 341.00 |
| MIN | 20.90 | 12.50 | 7.80 | 437.59 | 338.92 | 96.93 | 339.50 |