Ice Harbor Dam
Friday July 31, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 21.20 | 12.70 | 8.00 | 437.77 | 338.96 | 98.81 | 339.42 |
| 2 | 22.60 | 12.60 | 8.00 | 437.73 | 339.55 | 98.18 | 340.03 |
| 3 | 21.20 | 12.70 | 8.00 | 437.82 | 338.82 | 99.00 | 339.43 |
| 4 | 21.20 | 12.70 | 8.00 | 437.95 | 338.89 | 99.06 | 339.45 |
| 5 | 21.20 | 12.70 | 8.00 | 437.94 | 338.87 | 99.07 | 339.43 |
| 6 | 21.20 | 12.70 | 8.00 | 438.02 | 338.81 | 99.21 | 339.41 |
| 7 | 21.00 | 12.60 | 7.90 | 438.06 | 338.86 | 99.20 | 339.38 |
| 8 | 22.50 | 12.70 | 7.90 | 438.07 | 338.86 | 99.21 | 339.34 |
| 9 | 21.00 | 12.70 | 7.90 | 438.13 | 338.79 | 99.34 | 339.31 |
| 10 | 20.90 | 12.60 | 7.80 | 438.16 | 338.79 | 99.37 | 339.33 |
| 11 | 21.00 | 12.70 | 7.80 | 438.23 | 338.79 | 99.44 | 339.27 |
| 12 | 21.00 | 12.60 | 7.80 | 438.39 | 338.77 | 99.62 | 339.29 |
| 13 | 22.00 | 13.70 | 7.80 | 438.30 | 339.51 | 98.79 | 339.83 |
| 14 | 34.00 | 25.60 | 7.90 | 438.27 | 340.17 | 98.10 | 340.37 |
| 15 | 34.00 | 25.60 | 7.90 | 438.19 | 340.09 | 98.10 | 340.28 |
| 16 | 35.60 | 25.70 | 7.90 | 438.05 | 340.14 | 97.91 | 340.35 |
| 17 | 34.10 | 25.70 | 7.90 | 438.04 | 340.00 | 98.04 | 340.28 |
| 18 | 34.20 | 25.80 | 7.90 | 437.95 | 340.06 | 97.89 | 340.26 |
| 19 | 34.30 | 25.90 | 7.90 | 437.86 | 340.04 | 97.82 | 340.31 |
| 20 | 34.10 | 25.70 | 7.90 | 437.83 | 340.05 | 97.78 | 340.32 |
| 21 | 34.10 | 25.70 | 7.90 | 437.74 | 340.12 | 97.62 | 340.37 |
| 22 | 33.50 | 25.10 | 7.90 | 437.76 | 339.49 | 98.27 | 340.05 |
| 23 | 21.00 | 12.60 | 7.90 | 437.75 | 338.76 | 98.99 | 339.36 |
| 24 | 22.50 | 12.60 | 7.90 | 437.77 | 339.51 | 98.26 | 339.96 |
|
| AVG | 26.23 | 17.57 | 7.91 | 437.99 | 339.36 | 98.63 | 339.78 |
|
| MAX | 35.60 | 25.90 | 8.00 | 438.39 | 340.17 | 99.62 | 340.37 |
| MIN | 20.90 | 12.60 | 7.80 | 437.73 | 338.76 | 97.62 | 339.27 |