Ice Harbor Dam
Wednesday January 28, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 28.50 | 13.30 | 15.10 | 438.85 | 339.87 | 98.98 | 340.41 |
| 2 | 28.50 | 13.30 | 15.00 | 438.84 | 339.83 | 99.01 | 340.36 |
| 3 | 28.50 | 13.30 | 15.00 | 438.65 | 339.82 | 98.83 | 340.37 |
| 4 | 28.50 | 13.40 | 15.00 | 438.58 | 339.76 | 98.82 | 340.29 |
| 5 | 30.10 | 13.40 | 15.00 | 438.37 | 339.78 | 98.59 | 340.27 |
| 6 | 28.50 | 13.40 | 15.00 | 438.44 | 339.78 | 98.66 | 340.28 |
| 7 | 28.60 | 13.40 | 15.00 | 438.78 | 339.63 | 99.15 | 340.18 |
| 8 | 28.50 | 13.30 | 15.00 | 439.18 | 339.75 | 99.43 | 340.21 |
| 9 | 28.40 | 13.20 | 15.10 | 439.25 | 339.90 | 99.35 | 340.39 |
| 10 | 28.50 | 13.20 | 15.10 | 439.25 | 339.82 | 99.43 | 340.34 |
| 11 | 28.50 | 13.20 | 15.10 | 439.16 | 339.87 | 99.29 | 340.37 |
| 12 | 28.60 | 13.30 | 15.10 | 439.15 | 340.01 | 99.14 | 340.53 |
| 13 | 28.50 | 13.30 | 15.10 | 438.84 | 339.97 | 98.87 | 340.50 |
| 14 | 28.50 | 13.30 | 15.00 | 438.79 | 340.08 | 98.71 | 340.58 |
| 15 | 28.60 | 13.30 | 15.00 | 438.68 | 340.05 | 98.63 | 340.65 |
| 16 | 28.70 | 13.40 | 15.00 | 438.44 | 340.10 | 98.34 | 340.72 |
| 17 | 28.80 | 13.50 | 15.00 | 438.45 | 340.14 | 98.31 | 340.70 |
| 18 | 28.00 | 13.40 | 14.30 | 438.60 | 340.09 | 98.51 | 340.52 |
| 19 | 23.90 | 13.50 | 10.20 | 438.97 | 340.03 | 98.94 | |
| 20 | | | | | | | |
| 21 | | | | | | | |
| 22 | | | | | | | |
| 23 | | | | | | | |
| 24 | | | | | | | |
|
| AVG | 28.35 | 13.34 | 14.74 | 438.80 | 339.91 | 98.89 | 340.43 |
|
| MAX | 30.10 | 13.50 | 15.10 | 439.25 | 340.14 | 99.43 | 340.72 |
| MIN | 23.90 | 13.20 | 10.20 | 438.37 | 339.63 | 98.31 | 340.18 |