Ice Harbor Dam
Saturday May 2, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 68.40 | 12.90 | 55.10 | 437.73 | 342.01 | 95.72 | 342.76 |
| 2 | 68.30 | 12.80 | 55.00 | 437.68 | 342.06 | 95.62 | 342.74 |
| 3 | 68.40 | 12.90 | 55.00 | 437.72 | 342.04 | 95.68 | 342.83 |
| 4 | 68.30 | 12.80 | 55.00 | 437.66 | 342.04 | 95.62 | 342.88 |
| 5 | 68.30 | 12.80 | 55.00 | 437.70 | 342.00 | 95.70 | 342.79 |
| 6 | 68.30 | 12.80 | 55.00 | 437.70 | 342.11 | 95.59 | 342.81 |
| 7 | 68.30 | 12.80 | 55.00 | 437.69 | 342.13 | 95.56 | 342.81 |
| 8 | 68.30 | 12.80 | 55.00 | 437.69 | 342.16 | 95.53 | 342.81 |
| 9 | 68.20 | 12.80 | 54.90 | 437.65 | 342.19 | 95.46 | 342.75 |
| 10 | 69.80 | 12.80 | 54.90 | 437.72 | 342.32 | 95.40 | 343.00 |
| 11 | 68.40 | 12.80 | 55.00 | 437.84 | 342.15 | 95.69 | 342.80 |
| 12 | 68.40 | 12.80 | 55.10 | 437.83 | 342.18 | 95.65 | 342.88 |
| 13 | 68.50 | 12.80 | 55.20 | 437.88 | 342.17 | 95.71 | 342.84 |
| 14 | 68.60 | 12.80 | 55.30 | 437.91 | 342.16 | 95.75 | 342.87 |
| 15 | 70.20 | 12.80 | 55.30 | 437.92 | 342.11 | 95.81 | 342.93 |
| 16 | 68.70 | 12.80 | 55.40 | 438.05 | 342.22 | 95.83 | 343.02 |
| 17 | 68.70 | 12.80 | 55.40 | 438.02 | 342.23 | 95.79 | 342.94 |
| 18 | 68.80 | 12.80 | 55.50 | 437.98 | 342.27 | 95.71 | 343.03 |
| 19 | 68.80 | 12.80 | 55.50 | 438.05 | 342.16 | 95.89 | 342.88 |
| 20 | 70.20 | 12.80 | 55.40 | 437.99 | 342.10 | 95.89 | 342.91 |
| 21 | 68.30 | 12.80 | 55.00 | 438.03 | 342.20 | 95.83 | 342.91 |
| 22 | 68.20 | 12.80 | 55.00 | 438.05 | 342.13 | 95.92 | 342.80 |
| 23 | 68.10 | 12.70 | 54.90 | 438.14 | 342.06 | 96.08 | 342.89 |
| 24 | 69.60 | 12.70 | 54.90 | 438.19 | 342.26 | 95.93 | 342.82 |
|
| AVG | 68.67 | 12.80 | 55.12 | 437.87 | 342.14 | 95.72 | 342.86 |
|
| MAX | 70.20 | 12.90 | 55.50 | 438.19 | 342.32 | 96.08 | 343.03 |
| MIN | 68.10 | 12.70 | 54.90 | 437.65 | 342.00 | 95.40 | 342.74 |