Ice Harbor Dam
Wednesday March 18, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 64.40 | 53.90 | 10.00 | 439.34 | 343.29 | 96.05 | 343.01 |
| 2 | 64.40 | 53.90 | 10.00 | 439.17 | 343.28 | 95.89 | 343.00 |
| 3 | 64.40 | 53.90 | 10.00 | 439.26 | 343.20 | 96.06 | 343.01 |
| 4 | 64.30 | 53.90 | 10.00 | 439.14 | 343.29 | 95.85 | 343.01 |
| 5 | 64.50 | 54.10 | 9.90 | 439.13 | 343.14 | 95.99 | 343.14 |
| 6 | 63.90 | 53.90 | 9.40 | 439.13 | 342.79 | 96.34 | 342.96 |
| 7 | 63.90 | 53.80 | 9.60 | 439.42 | 342.82 | 96.60 | 342.98 |
| 8 | 64.00 | 53.80 | 9.70 | 439.50 | 342.85 | 96.65 | 342.99 |
| 9 | 63.40 | 53.00 | 9.90 | 439.68 | 342.26 | 97.42 | 342.60 |
| 10 | 60.50 | 40.30 | 19.70 | 439.50 | 342.28 | 97.22 | 342.58 |
| 11 | 60.50 | 40.30 | 19.70 | 439.47 | 342.22 | 97.25 | 342.52 |
| 12 | 60.80 | 40.30 | 20.00 | 439.56 | 342.28 | 97.28 | 342.65 |
| 13 | 61.00 | 40.40 | 20.10 | 439.48 | 342.31 | 97.17 | 342.71 |
| 14 | 60.80 | 40.30 | 20.00 | 439.49 | 342.30 | 97.19 | 342.58 |
| 15 | 61.00 | 40.40 | 20.10 | 439.46 | 342.34 | 97.12 | 342.78 |
| 16 | 74.30 | 53.80 | 20.00 | 439.42 | 343.95 | 95.47 | 343.80 |
| 17 | 74.80 | 54.20 | 20.00 | 439.36 | 344.00 | 95.36 | 343.85 |
| 18 | 74.60 | 54.60 | 20.00 | 439.18 | 344.10 | 95.08 | 343.85 |
| 19 | 74.80 | 54.30 | 20.00 | 439.43 | 344.06 | 95.37 | 343.91 |
| 20 | 74.70 | 54.10 | 20.10 | 439.41 | 344.13 | 95.28 | 343.93 |
| 21 | 74.80 | 54.30 | 20.10 | 439.53 | 344.15 | 95.38 | 343.97 |
| 22 | 75.00 | 54.40 | 20.10 | 439.64 | 344.15 | 95.49 | 344.02 |
| 23 | 74.90 | 54.30 | 20.10 | 439.59 | 344.22 | 95.37 | 344.01 |
| 24 | 74.80 | 54.30 | 20.10 | 439.40 | 344.25 | 95.15 | 344.06 |
|
| AVG | 67.27 | 50.60 | 16.19 | 439.40 | 343.24 | 96.17 | 343.25 |
|
| MAX | 75.00 | 54.60 | 20.10 | 439.68 | 344.25 | 97.42 | 344.06 |
| MIN | 60.50 | 40.30 | 9.40 | 439.13 | 342.22 | 95.08 | 342.52 |