Ice Harbor Dam
Sunday December 14, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 40.10 | 39.60 | 0.00 | 438.11 | 341.00 | 97.11 | 340.72 |
| 2 | 40.40 | 39.90 | 0.00 | 437.98 | 340.97 | 97.01 | 340.77 |
| 3 | 40.40 | 39.90 | 0.00 | 438.01 | 340.99 | 97.02 | 340.74 |
| 4 | 40.30 | 39.80 | 0.00 | 438.00 | 340.90 | 97.10 | 340.74 |
| 5 | 40.10 | 39.60 | 0.00 | 438.01 | 340.96 | 97.05 | 340.74 |
| 6 | 40.30 | 39.80 | 0.00 | 438.08 | 341.05 | 97.03 | 340.77 |
| 7 | 40.40 | 39.90 | 0.00 | 438.05 | 341.07 | 96.98 | 340.83 |
| 8 | 40.00 | 39.50 | 0.00 | 438.07 | 341.03 | 97.04 | 340.77 |
| 9 | 40.00 | 39.50 | 0.00 | 438.06 | 341.07 | 96.99 | 340.81 |
| 10 | 40.10 | 39.60 | 0.00 | 438.03 | 341.02 | 97.01 | 340.86 |
| 11 | 41.60 | 39.60 | 0.00 | 437.96 | 341.00 | 96.96 | 340.83 |
| 12 | 40.30 | 39.80 | 0.00 | 437.98 | 341.09 | 96.89 | 340.86 |
| 13 | 40.20 | 39.70 | 0.00 | 437.99 | 341.06 | 96.93 | 340.82 |
| 14 | 40.20 | 39.70 | 0.00 | 438.03 | 341.05 | 96.98 | 340.79 |
| 15 | 40.30 | 39.80 | 0.00 | 438.02 | 341.05 | 96.97 | 340.76 |
| 16 | 40.40 | 39.90 | 0.00 | 438.01 | 341.00 | 97.01 | 340.77 |
| 17 | 40.40 | 39.90 | 0.00 | 438.02 | 341.18 | 96.84 | 340.95 |
| 18 | 53.20 | 52.70 | 0.00 | 438.14 | 342.37 | 95.77 | 341.99 |
| 19 | 53.70 | 53.20 | 0.00 | 438.09 | 342.41 | 95.68 | 342.07 |
| 20 | 53.90 | 53.40 | 0.00 | 438.00 | 342.39 | 95.61 | 342.06 |
| 21 | 53.80 | 53.30 | 0.00 | 437.99 | 342.32 | 95.67 | 341.99 |
| 22 | 53.40 | 52.90 | 0.00 | 437.99 | 342.06 | 95.93 | 341.85 |
| 23 | 40.50 | 40.00 | 0.00 | 437.88 | 340.88 | 97.00 | 340.75 |
| 24 | 40.00 | 39.50 | 0.00 | 437.88 | 340.86 | 97.02 | 340.69 |
|
| AVG | 43.08 | 42.52 | 0.00 | 438.02 | 341.28 | 96.73 | 341.04 |
|
| MAX | 53.90 | 53.40 | 0.00 | 438.14 | 342.41 | 97.11 | 342.07 |
| MIN | 40.00 | 39.50 | 0.00 | 437.88 | 340.86 | 95.61 | 340.69 |