Ice Harbor Dam
Tuesday January 27, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 26.80 | 26.60 | 0.00 | 437.94 | 340.51 | 97.43 | 340.57 |
| 2 | 22.50 | 22.30 | 0.00 | 437.57 | 339.67 | 97.90 | 339.78 |
| 3 | 13.10 | 12.90 | 0.00 | 437.44 | 339.63 | 97.81 | 339.83 |
| 4 | 13.10 | 12.90 | 0.00 | 437.27 | 339.74 | 97.53 | 339.92 |
| 5 | 17.40 | 17.20 | 0.00 | 437.28 | 340.31 | 96.97 | 340.44 |
| 6 | 26.30 | 26.10 | 0.00 | 437.52 | 340.71 | 96.81 | 340.70 |
| 7 | 28.10 | 26.40 | 0.00 | 437.29 | 340.54 | 96.75 | 340.63 |
| 8 | 26.40 | 26.20 | 0.00 | 437.90 | 340.49 | 97.41 | 340.56 |
| 9 | 26.30 | 26.10 | 0.00 | 438.24 | 340.41 | 97.83 | 340.51 |
| 10 | 13.90 | 13.70 | 0.00 | 438.64 | 339.61 | 99.03 | 339.73 |
| 11 | 13.20 | 13.00 | 0.00 | 438.70 | 339.78 | 98.92 | 339.95 |
| 12 | 14.80 | 13.10 | 0.00 | 439.19 | 339.76 | 99.43 | 339.89 |
| 13 | 13.20 | 13.00 | 0.00 | 439.13 | 339.68 | 99.45 | 339.83 |
| 14 | 28.20 | 13.40 | 14.60 | 438.77 | 340.07 | 98.70 | 340.63 |
| 15 | 29.90 | 13.40 | 14.90 | 438.87 | 340.00 | 98.87 | 340.57 |
| 16 | 28.40 | 13.40 | 14.80 | 438.38 | 339.89 | 98.49 | 340.49 |
| 17 | 28.50 | 13.50 | 14.80 | 438.52 | 339.97 | 98.55 | 340.55 |
| 18 | 28.50 | 13.30 | 15.00 | 438.76 | 340.05 | 98.71 | 340.55 |
| 19 | 28.50 | 13.30 | 15.00 | 438.89 | 340.02 | 98.87 | 340.54 |
| 20 | 30.00 | 13.20 | 15.00 | 439.06 | 339.96 | 99.10 | 340.46 |
| 21 | 28.50 | 13.20 | 15.10 | 439.10 | 339.98 | 99.12 | 340.48 |
| 22 | 28.50 | 13.20 | 15.10 | 439.19 | 339.95 | 99.24 | 340.49 |
| 23 | 30.00 | 13.20 | 15.10 | 439.27 | 340.34 | 98.93 | 340.90 |
| 24 | 28.60 | 13.30 | 15.10 | 439.24 | 339.91 | 99.33 | 340.44 |
|
| AVG | 23.86 | 16.50 | 6.85 | 438.42 | 340.04 | 98.38 | 340.35 |
|
| MAX | 30.00 | 26.60 | 15.10 | 439.27 | 340.71 | 99.45 | 340.90 |
| MIN | 13.10 | 12.90 | 0.00 | 437.27 | 339.61 | 96.75 | 339.73 |