Ice Harbor Dam
Thursday June 18, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 33.00 | 12.60 | 19.90 | 437.72 | 339.52 | 98.20 | 340.50 |
| 2 | 32.90 | 12.60 | 19.90 | 437.72 | 339.66 | 98.06 | 340.63 |
| 3 | 33.00 | 12.60 | 19.90 | 437.67 | 339.76 | 97.91 | 340.71 |
| 4 | 32.90 | 12.60 | 19.90 | 437.65 | 339.85 | 97.80 | 340.67 |
| 5 | 32.90 | 12.60 | 19.80 | 437.56 | 339.79 | 97.77 | 340.88 |
| 6 | 34.50 | 12.60 | 19.80 | 437.66 | 339.84 | 97.82 | 340.77 |
| 7 | 33.10 | 12.60 | 20.10 | 437.76 | 339.81 | 97.95 | 340.65 |
| 8 | 33.20 | 12.60 | 20.10 | 437.91 | 339.99 | 97.92 | 340.74 |
| 9 | 36.00 | 12.60 | 22.90 | 437.98 | 340.25 | 97.73 | 341.19 |
| 10 | 36.20 | 12.70 | 23.00 | 438.16 | 340.39 | 97.77 | 341.20 |
| 11 | 36.30 | 12.60 | 23.20 | 438.15 | 340.35 | 97.80 | 341.23 |
| 12 | 36.10 | 12.60 | 23.00 | 437.98 | 340.24 | 97.74 | 341.08 |
| 13 | 36.00 | 12.60 | 22.90 | 438.09 | 340.29 | 97.80 | 341.13 |
| 14 | 36.00 | 12.60 | 22.90 | 438.04 | 340.24 | 97.80 | 341.16 |
| 15 | 36.00 | 12.60 | 22.90 | 437.95 | 340.22 | 97.73 | 341.16 |
| 16 | 36.00 | 12.60 | 22.90 | 437.98 | 340.21 | 97.77 | 341.10 |
| 17 | 35.90 | 12.60 | 22.90 | 437.89 | 340.11 | 97.78 | 341.00 |
| 18 | 36.00 | 12.60 | 22.90 | 437.88 | 340.14 | 97.74 | 341.11 |
| 19 | 36.00 | 12.60 | 22.90 | 437.86 | 340.26 | 97.60 | 341.01 |
| 20 | 36.00 | 12.60 | 22.90 | 437.92 | 340.21 | 97.71 | 341.04 |
| 21 | 37.50 | 12.60 | 22.90 | 437.82 | 340.09 | 97.73 | 340.92 |
| 22 | 36.10 | 12.70 | 22.90 | 437.90 | 340.02 | 97.88 | 341.05 |
| 23 | 35.90 | 12.60 | 22.80 | 437.84 | 340.12 | 97.72 | 340.87 |
| 24 | 36.00 | 12.60 | 22.90 | 437.90 | 339.90 | 98.00 | 340.89 |
|
| AVG | 35.15 | 12.61 | 21.92 | 437.87 | 340.05 | 97.82 | 340.95 |
|
| MAX | 37.50 | 12.70 | 23.20 | 438.16 | 340.39 | 98.20 | 341.23 |
| MIN | 32.90 | 12.60 | 19.80 | 437.56 | 339.52 | 97.60 | 340.50 |