Ice Harbor Dam
Thursday August 6, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 21.80 | 12.90 | 8.40 | 437.79 | 338.71 | 99.08 | 339.17 |
| 2 | 22.00 | 12.90 | 8.50 | 437.98 | 338.63 | 99.35 | 339.16 |
| 3 | 22.00 | 13.00 | 8.50 | 438.04 | 338.67 | 99.37 | 339.11 |
| 4 | 23.50 | 12.90 | 8.60 | 438.02 | 338.71 | 99.31 | 339.15 |
| 5 | 22.10 | 13.00 | 8.60 | 438.08 | 338.68 | 99.40 | 339.13 |
| 6 | 22.00 | 12.90 | 8.60 | 438.04 | 338.72 | 99.32 | 339.11 |
| 7 | 21.80 | 12.80 | 8.50 | 438.05 | 338.70 | 99.35 | 339.14 |
| 8 | 23.00 | 12.70 | 8.30 | 438.25 | 338.68 | 99.57 | 339.14 |
| 9 | 21.40 | 12.60 | 8.30 | 438.25 | 338.68 | 99.57 | 339.17 |
| 10 | 34.00 | 25.20 | 8.30 | 438.43 | 340.10 | 98.33 | 340.28 |
| 11 | 35.10 | 26.30 | 8.30 | 438.35 | 339.98 | 98.37 | 340.24 |
| 12 | 36.60 | 26.30 | 8.30 | 438.14 | 340.00 | 98.14 | 340.26 |
| 13 | 35.20 | 26.40 | 8.30 | 438.18 | 340.32 | 97.86 | 340.74 |
| 14 | 35.40 | 26.60 | 8.40 | 438.11 | 340.07 | 98.04 | 340.30 |
| 15 | 35.20 | 26.40 | 8.30 | 438.12 | 340.00 | 98.12 | 340.26 |
| 16 | 35.30 | 26.40 | 8.30 | 438.10 | 339.97 | 98.13 | 340.20 |
| 17 | 35.20 | 26.40 | 8.30 | 438.04 | 339.96 | 98.08 | 340.24 |
| 18 | 35.30 | 26.40 | 8.40 | 437.99 | 339.95 | 98.04 | 340.21 |
| 19 | 35.30 | 26.40 | 8.40 | 437.95 | 339.91 | 98.04 | 340.19 |
| 20 | 36.60 | 26.20 | 8.40 | 438.06 | 339.98 | 98.08 | 340.22 |
| 21 | 35.30 | 26.40 | 8.40 | 437.96 | 339.90 | 98.06 | 340.13 |
| 22 | 35.30 | 26.50 | 8.40 | 437.86 | 339.89 | 97.97 | 340.09 |
| 23 | 35.30 | 26.50 | 8.40 | 437.81 | 339.89 | 97.92 | 340.12 |
| 24 | 35.00 | 26.10 | 8.40 | 437.79 | 339.36 | 98.43 | 339.88 |
|
| AVG | 30.40 | 21.26 | 8.40 | 438.06 | 339.48 | 98.58 | 339.82 |
|
| MAX | 36.60 | 26.60 | 8.60 | 438.43 | 340.32 | 99.57 | 340.74 |
| MIN | 21.40 | 12.60 | 8.30 | 437.79 | 338.63 | 97.86 | 339.11 |