Ice Harbor Dam
Tuesday May 5, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 69.60 | 12.80 | 56.30 | 437.85 | 342.21 | 95.64 | 342.93 |
| 2 | 69.70 | 12.80 | 56.40 | 437.90 | 342.30 | 95.60 | 342.98 |
| 3 | 69.80 | 12.80 | 56.40 | 437.92 | 342.27 | 95.65 | 342.94 |
| 4 | 69.70 | 12.80 | 56.40 | 437.86 | 342.31 | 95.55 | 342.92 |
| 5 | 71.30 | 12.80 | 56.50 | 437.77 | 342.28 | 95.49 | 343.00 |
| 6 | 69.80 | 12.80 | 56.40 | 437.87 | 342.34 | 95.53 | 343.05 |
| 7 | 71.30 | 12.90 | 56.50 | 437.83 | 342.30 | 95.53 | 342.97 |
| 8 | 69.80 | 12.80 | 56.50 | 437.85 | 342.23 | 95.62 | 342.85 |
| 9 | 69.90 | 12.80 | 56.60 | 438.01 | 342.22 | 95.79 | 342.88 |
| 10 | 70.10 | 12.80 | 56.80 | 438.09 | 342.25 | 95.84 | 342.88 |
| 11 | 70.50 | 12.80 | 57.20 | 438.05 | 342.46 | 95.59 | 342.97 |
| 12 | 76.40 | 12.80 | 63.10 | 438.12 | 342.87 | 95.25 | 343.42 |
| 13 | 77.90 | 12.80 | 63.10 | 438.11 | 342.66 | 95.45 | 343.34 |
| 14 | 76.40 | 12.80 | 63.00 | 438.01 | 342.67 | 95.34 | 343.35 |
| 15 | 76.50 | 12.80 | 63.10 | 438.16 | 342.69 | 95.47 | 343.35 |
| 16 | 76.50 | 12.80 | 63.20 | 438.14 | 342.63 | 95.51 | 343.29 |
| 17 | 76.50 | 12.80 | 63.20 | 438.17 | 342.69 | 95.48 | 343.39 |
| 18 | 76.90 | 13.10 | 63.30 | 438.20 | 342.63 | 95.57 | 343.37 |
| 19 | 83.80 | 13.80 | 69.60 | 438.09 | 343.50 | 94.59 | 344.22 |
| 20 | 88.80 | 13.80 | 73.00 | 438.07 | 343.75 | 94.32 | 344.35 |
| 21 | 87.00 | 13.70 | 72.80 | 437.89 | 343.63 | 94.26 | 344.34 |
| 22 | 86.60 | 13.10 | 73.00 | 437.93 | 343.64 | 94.29 | 344.22 |
| 23 | 86.50 | 13.10 | 72.90 | 437.82 | 343.63 | 94.19 | 344.15 |
| 24 | 74.70 | 13.00 | 61.20 | 437.88 | 342.58 | 95.30 | 343.19 |
|
| AVG | 75.67 | 12.97 | 61.94 | 437.98 | 342.70 | 95.29 | 343.35 |
|
| MAX | 88.80 | 13.80 | 73.00 | 438.20 | 343.75 | 95.84 | 344.35 |
| MIN | 69.60 | 12.80 | 56.30 | 437.77 | 342.21 | 94.19 | 342.85 |