Ice Harbor Dam
Tuesday March 17, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 64.80 | 54.40 | 10.10 | 438.01 | 343.66 | 94.35 | 343.35 |
| 2 | 64.60 | 54.20 | 10.10 | 437.97 | 343.56 | 94.41 | 343.29 |
| 3 | 64.60 | 54.20 | 10.10 | 437.97 | 343.57 | 94.40 | 343.24 |
| 4 | 64.40 | 54.10 | 10.00 | 437.90 | 343.55 | 94.35 | 343.28 |
| 5 | 64.60 | 54.30 | 10.00 | 437.90 | 343.50 | 94.40 | 343.23 |
| 6 | 64.70 | 54.30 | 10.00 | 437.89 | 343.50 | 94.39 | 343.26 |
| 7 | 64.60 | 54.30 | 9.90 | 438.31 | 343.52 | 94.79 | 343.24 |
| 8 | 64.40 | 54.10 | 9.90 | 438.38 | 343.41 | 94.97 | 343.17 |
| 9 | 51.90 | 41.70 | 9.90 | 438.67 | 342.20 | 96.47 | 342.06 |
| 10 | 51.50 | 41.30 | 9.90 | 438.67 | 342.09 | 96.58 | 342.04 |
| 11 | 51.50 | 41.30 | 9.90 | 438.66 | 342.11 | 96.55 | 341.97 |
| 12 | 51.90 | 41.70 | 9.90 | 438.77 | 342.04 | 96.73 | 341.93 |
| 13 | 50.70 | 40.40 | 9.90 | 438.75 | 341.97 | 96.78 | 341.89 |
| 14 | 50.60 | 40.20 | 9.90 | 438.83 | 341.86 | 96.97 | 341.86 |
| 15 | 50.80 | 40.30 | 9.90 | 438.90 | 341.93 | 96.97 | 341.91 |
| 16 | 51.00 | 40.60 | 9.90 | 438.87 | 342.23 | 96.64 | 342.06 |
| 17 | 64.30 | 53.80 | 9.90 | 438.84 | 343.35 | 95.49 | 343.06 |
| 18 | 64.80 | 54.40 | 9.90 | 438.82 | 343.37 | 95.45 | 343.09 |
| 19 | 64.60 | 54.20 | 9.90 | 439.04 | 343.31 | 95.73 | 343.05 |
| 20 | 64.60 | 54.10 | 9.90 | 439.03 | 343.36 | 95.67 | 343.07 |
| 21 | 64.50 | 54.10 | 9.90 | 439.08 | 343.37 | 95.71 | 343.07 |
| 22 | 64.40 | 54.00 | 10.00 | 439.19 | 343.30 | 95.89 | 343.04 |
| 23 | 64.60 | 54.10 | 10.00 | 439.20 | 343.29 | 95.91 | 343.04 |
| 24 | 64.40 | 54.00 | 10.00 | 439.28 | 343.27 | 96.01 | 343.01 |
|
| AVG | 60.12 | 49.75 | 9.95 | 438.62 | 342.97 | 95.65 | 342.76 |
|
| MAX | 64.80 | 54.40 | 10.10 | 439.28 | 343.66 | 96.97 | 343.35 |
| MIN | 50.60 | 40.20 | 9.90 | 437.89 | 341.86 | 94.35 | 341.86 |