Ice Harbor Dam
Friday August 7, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 24.70 | 13.60 | 9.10 | 437.89 | 338.43 | 99.46 | 338.93 |
| 2 | 23.00 | 13.50 | 9.00 | 437.89 | 338.52 | 99.37 | 339.05 |
| 3 | 22.90 | 13.40 | 9.00 | 438.04 | 338.49 | 99.55 | 338.99 |
| 4 | 22.90 | 13.40 | 9.00 | 438.10 | 338.57 | 99.53 | 339.07 |
| 5 | 22.90 | 13.40 | 9.10 | 438.13 | 338.59 | 99.54 | 339.11 |
| 6 | 23.20 | 13.70 | 9.00 | 438.21 | 338.90 | 99.31 | 339.24 |
| 7 | 35.30 | 26.00 | 8.90 | 438.25 | 339.99 | 98.26 | 340.34 |
| 8 | 37.20 | 26.40 | 8.90 | 438.10 | 339.96 | 98.14 | 340.31 |
| 9 | 35.80 | 26.40 | 8.90 | 438.01 | 340.02 | 97.99 | 340.34 |
| 10 | 35.80 | 26.40 | 8.80 | 438.00 | 340.18 | 97.82 | 340.45 |
| 11 | 35.70 | 26.30 | 8.80 | 438.10 | 340.06 | 98.04 | 340.28 |
| 12 | 23.30 | 13.90 | 8.90 | 438.03 | 339.20 | 98.83 | 339.77 |
| 13 | 24.30 | 13.50 | 8.80 | 438.12 | 338.80 | 99.32 | 339.34 |
| 14 | 22.80 | 13.40 | 8.90 | 438.36 | 338.94 | 99.42 | 339.49 |
| 15 | 24.60 | 13.70 | 8.90 | 438.28 | 339.08 | 99.20 | 339.56 |
| 16 | 37.10 | 26.30 | 8.90 | 438.33 | 340.22 | 98.11 | 340.52 |
| 17 | 35.90 | 26.60 | 8.90 | 438.40 | 340.16 | 98.24 | 340.48 |
| 18 | 35.90 | 26.50 | 8.90 | 438.22 | 340.10 | 98.12 | 340.38 |
| 19 | 37.60 | 26.70 | 8.90 | 438.37 | 340.53 | 97.84 | 340.75 |
| 20 | 35.90 | 26.60 | 8.90 | 438.27 | 340.06 | 98.21 | |
| 21 | | | | | | | |
| 22 | | | | | | | |
| 23 | | | | | | | |
| 24 | | | | | | | |
|
| AVG | 29.84 | 19.99 | 8.93 | 438.16 | 339.44 | 98.72 | 339.81 |
|
| MAX | 37.60 | 26.70 | 9.10 | 438.40 | 340.53 | 99.55 | 340.75 |
| MIN | 22.80 | 13.40 | 8.80 | 437.89 | 338.43 | 97.82 | 338.93 |