Ice Harbor Dam
Tuesday June 23, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 36.10 | 26.00 | 9.50 | 437.69 | 340.49 | 97.20 | 340.86 |
| 2 | 36.00 | 26.00 | 9.50 | 437.65 | 340.51 | 97.14 | 340.94 |
| 3 | 36.10 | 26.10 | 9.50 | 437.72 | 340.57 | 97.15 | 340.95 |
| 4 | 37.60 | 26.10 | 9.50 | 437.60 | 340.51 | 97.09 | 341.01 |
| 5 | 36.10 | 26.10 | 9.50 | 437.56 | 340.59 | 96.97 | 340.98 |
| 6 | 35.40 | 25.50 | 9.50 | 437.65 | 340.19 | 97.46 | 340.55 |
| 7 | 23.20 | 13.20 | 9.50 | 437.65 | 339.57 | 98.08 | 340.10 |
| 8 | 23.10 | 13.10 | 9.50 | 437.67 | 339.78 | 97.89 | 340.30 |
| 9 | 23.10 | 13.10 | 9.50 | 438.01 | 339.75 | 98.26 | 340.26 |
| 10 | 23.00 | 12.90 | 9.50 | 437.84 | 339.78 | 98.06 | 340.27 |
| 11 | 22.90 | 12.90 | 9.50 | 437.97 | 339.64 | 98.33 | 340.13 |
| 12 | 22.90 | 12.80 | 9.50 | 438.05 | 339.68 | 98.37 | 340.14 |
| 13 | 22.80 | 12.80 | 9.50 | 438.09 | 339.67 | 98.42 | 340.10 |
| 14 | 23.30 | 13.20 | 9.50 | 438.11 | 339.92 | 98.19 | 340.45 |
| 15 | 35.00 | 25.00 | 9.50 | 438.08 | 340.51 | 97.57 | |
| 16 | | | | | | | |
| 17 | | | | | | | |
| 18 | | | | | | | |
| 19 | | | | | | | |
| 20 | | | | | | | |
| 21 | | | | | | | |
| 22 | | | | | | | |
| 23 | | | | | | | |
| 24 | | | | | | | |
|
| AVG | 29.11 | 18.99 | 9.50 | 437.82 | 340.08 | 97.75 | 340.50 |
|
| MAX | 37.60 | 26.10 | 9.50 | 438.11 | 340.59 | 98.42 | 341.01 |
| MIN | 22.80 | 12.80 | 9.50 | 437.56 | 339.57 | 96.97 | 340.10 |