Ice Harbor Dam
Tuesday May 12, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 90.00 | 13.10 | 74.90 | 437.89 | 343.87 | 94.02 | 344.59 |
| 2 | 88.60 | 13.10 | 75.00 | 437.91 | 343.91 | 94.00 | 344.59 |
| 3 | 88.50 | 13.10 | 74.90 | 437.96 | 343.85 | 94.11 | 344.46 |
| 4 | 90.00 | 13.00 | 75.00 | 437.96 | 344.30 | 93.66 | 344.92 |
| 5 | 88.70 | 13.10 | 75.00 | 437.88 | 343.95 | 93.93 | 344.53 |
| 6 | 88.70 | 13.10 | 75.10 | 437.95 | 343.91 | 94.04 | 344.57 |
| 7 | 88.70 | 13.00 | 75.20 | 437.96 | 343.88 | 94.08 | 344.52 |
| 8 | 88.50 | 13.00 | 75.00 | 437.98 | 343.83 | 94.15 | 344.61 |
| 9 | 90.10 | 13.00 | 75.00 | 438.04 | 343.99 | 94.05 | 344.52 |
| 10 | 88.60 | 13.10 | 75.00 | 437.94 | 343.91 | 94.03 | 344.50 |
| 11 | 88.50 | 13.00 | 75.00 | 437.98 | 343.87 | 94.11 | 344.45 |
| 12 | 88.40 | 13.00 | 74.90 | 437.84 | 343.86 | 93.98 | 344.44 |
| 13 | 88.40 | 13.10 | 74.80 | 437.81 | 343.88 | 93.93 | 344.46 |
| 14 | 88.30 | 13.10 | 74.70 | 437.79 | 343.85 | 93.94 | 344.56 |
| 15 | 88.20 | 13.10 | 74.60 | 437.70 | 343.87 | 93.83 | 344.53 |
| 16 | 88.30 | 13.10 | 74.60 | 437.80 | 343.96 | 93.84 | 344.49 |
| 17 | 88.40 | 13.10 | 74.80 | 437.79 | 343.92 | 93.87 | 344.43 |
| 18 | 88.60 | 13.10 | 75.00 | 437.81 | 343.99 | 93.82 | 344.62 |
| 19 | 88.70 | 13.10 | 75.10 | 437.86 | 343.92 | 93.94 | |
| 20 | | | | | | | |
| 21 | | | | | | | |
| 22 | | | | | | | |
| 23 | | | | | | | |
| 24 | | | | | | | |
|
| AVG | 88.75 | 13.07 | 74.93 | 437.89 | 343.92 | 93.96 | 344.54 |
|
| MAX | 90.10 | 13.10 | 75.20 | 438.04 | 344.30 | 94.15 | 344.92 |
| MIN | 88.20 | 13.00 | 74.60 | 437.70 | 343.83 | 93.66 | 344.43 |