Ice Harbor Dam
Tuesday June 16, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 35.00 | 12.70 | 21.80 | 437.75 | 339.25 | 98.50 | 340.09 |
| 2 | 36.50 | 12.70 | 21.80 | 437.67 | 339.20 | 98.47 | 340.06 |
| 3 | 34.90 | 12.60 | 21.80 | 437.66 | 339.38 | 98.28 | 340.29 |
| 4 | 35.00 | 12.80 | 21.80 | 437.67 | 339.41 | 98.26 | 340.12 |
| 5 | 35.10 | 12.70 | 21.80 | 437.69 | 339.40 | 98.29 | 340.21 |
| 6 | 35.20 | 12.70 | 22.00 | 437.83 | 339.42 | 98.41 | 340.35 |
| 7 | 41.10 | 12.60 | 27.90 | 437.75 | 339.94 | 97.81 | 340.85 |
| 8 | 41.10 | 12.60 | 28.00 | 437.78 | 340.10 | 97.68 | 341.04 |
| 9 | 41.20 | 12.60 | 28.10 | 437.74 | 340.22 | 97.52 | 341.07 |
| 10 | 41.10 | 12.70 | 28.00 | 437.61 | 340.30 | 97.31 | 341.18 |
| 11 | 41.10 | 12.60 | 28.00 | 437.72 | 340.25 | 97.47 | 341.05 |
| 12 | 40.70 | 12.70 | 26.10 | 437.69 | 340.36 | 97.33 | 341.04 |
| 13 | 39.20 | 12.70 | 26.00 | 437.71 | 340.38 | 97.33 | 340.96 |
| 14 | 39.20 | 12.70 | 26.00 | 437.72 | 340.38 | 97.34 | 340.95 |
| 15 | 39.10 | 12.60 | 26.00 | 437.69 | 340.28 | 97.41 | 340.92 |
| 16 | 35.70 | 13.00 | 22.20 | 437.84 | 339.78 | 98.06 | 340.81 |
| 17 | 34.10 | 12.60 | 21.00 | 437.74 | 339.63 | 98.11 | 340.45 |
| 18 | 34.00 | 12.50 | 21.00 | 437.74 | 339.65 | 98.09 | 340.66 |
| 19 | 34.10 | 12.50 | 21.10 | 437.78 | 339.70 | 98.08 | 340.53 |
| 20 | 34.00 | 12.50 | 21.00 | 437.73 | 339.65 | 98.08 | 340.39 |
| 21 | 34.00 | 12.50 | 21.10 | 437.78 | 339.52 | 98.26 | 340.50 |
| 22 | 34.10 | 12.50 | 21.10 | 437.79 | 339.38 | 98.41 | 340.29 |
| 23 | 34.10 | 12.50 | 21.00 | 437.80 | 339.47 | 98.33 | 340.24 |
| 24 | 34.10 | 12.50 | 21.10 | 437.82 | 339.33 | 98.49 | 340.22 |
|
| AVG | 36.82 | 12.63 | 23.57 | 437.74 | 339.77 | 97.97 | 340.59 |
|
| MAX | 41.20 | 13.00 | 28.10 | 437.84 | 340.38 | 98.50 | 341.18 |
| MIN | 34.00 | 12.50 | 21.00 | 437.61 | 339.20 | 97.31 | 340.06 |