Ice Harbor Dam
Wednesday January 21, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 26.90 | 26.70 | 0.00 | 438.46 | 340.81 | 97.65 | 340.80 |
| 2 | 26.80 | 26.60 | 0.00 | 438.39 | 340.96 | 97.43 | 340.94 |
| 3 | 26.70 | 26.50 | 0.00 | 438.44 | 340.99 | 97.45 | 340.91 |
| 4 | 26.80 | 26.60 | 0.00 | 438.14 | 340.93 | 97.21 | 340.91 |
| 5 | 27.70 | 27.50 | 0.00 | 438.03 | 341.45 | 96.58 | 341.41 |
| 6 | 40.50 | 40.30 | 0.00 | 437.78 | 342.10 | 95.68 | 342.00 |
| 7 | 41.00 | 40.80 | 0.00 | 437.87 | 342.02 | 95.85 | 341.91 |
| 8 | 41.00 | 40.80 | 0.00 | 437.96 | 342.04 | 95.92 | 341.90 |
| 9 | 41.20 | 41.00 | 0.00 | 437.92 | 342.12 | 95.80 | 341.93 |
| 10 | 41.70 | 40.00 | 0.00 | 437.91 | 342.04 | 95.87 | 341.93 |
| 11 | 40.70 | 40.50 | 0.00 | 437.99 | 341.90 | 96.09 | 341.78 |
| 12 | 40.50 | 40.30 | 0.00 | 437.95 | 342.10 | 95.85 | 341.98 |
| 13 | 39.90 | 39.70 | 0.00 | 438.05 | 342.21 | 95.84 | 341.71 |
| 14 | 41.00 | 40.80 | 0.00 | 438.00 | 342.07 | 95.93 | 341.96 |
| 15 | 41.20 | 41.00 | 0.00 | 438.00 | 342.08 | 95.92 | 341.99 |
| 16 | 42.60 | 40.90 | 0.00 | 437.96 | 342.15 | 95.81 | 342.02 |
| 17 | 42.40 | 40.70 | 0.00 | 437.93 | 342.06 | 95.87 | 341.95 |
| 18 | 40.90 | 40.70 | 0.00 | 437.99 | 342.13 | 95.86 | 341.98 |
| 19 | 41.10 | 40.90 | 0.00 | 438.30 | 342.10 | 96.20 | 341.97 |
| 20 | 42.70 | 41.00 | 0.00 | 438.30 | 342.10 | 96.20 | 341.97 |
| 21 | 41.20 | 41.00 | 0.00 | 438.49 | 342.15 | 96.34 | 342.02 |
| 22 | 41.10 | 40.90 | 0.00 | 438.30 | 342.09 | 96.21 | 341.93 |
| 23 | 40.90 | 40.70 | 0.00 | 438.43 | 341.89 | 96.54 | 341.80 |
| 24 | 29.40 | 29.20 | 0.00 | 438.25 | 340.86 | 97.39 | 340.83 |
|
| AVG | 37.75 | 37.30 | 0.00 | 438.12 | 341.81 | 96.31 | 341.69 |
|
| MAX | 42.70 | 41.00 | 0.00 | 438.49 | 342.21 | 97.65 | 342.02 |
| MIN | 26.70 | 26.50 | 0.00 | 437.78 | 340.81 | 95.68 | 340.80 |