Ice Harbor Dam
Saturday May 30, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 77.30 | 13.00 | 63.90 | 438.21 | 343.02 | 95.19 | 343.60 |
| 2 | 79.50 | 13.00 | 66.00 | 438.20 | 343.09 | 95.11 | 343.79 |
| 3 | 79.50 | 13.00 | 66.00 | 438.24 | 343.07 | 95.17 | 343.86 |
| 4 | 79.50 | 13.00 | 66.00 | 438.22 | 343.07 | 95.15 | 343.74 |
| 5 | 79.50 | 13.00 | 66.00 | 438.24 | 343.15 | 95.09 | 343.74 |
| 6 | 79.60 | 13.00 | 66.10 | 438.27 | 343.13 | 95.14 | 343.81 |
| 7 | 79.50 | 13.00 | 66.10 | 438.28 | 343.10 | 95.18 | 343.77 |
| 8 | 80.60 | 13.00 | 67.20 | 438.33 | 343.36 | 94.97 | 344.01 |
| 9 | 81.50 | 13.00 | 68.00 | 438.29 | 343.38 | 94.91 | 343.99 |
| 10 | 81.50 | 13.00 | 68.00 | 438.33 | 343.43 | 94.90 | 344.04 |
| 11 | 81.60 | 13.10 | 68.00 | 438.26 | 343.37 | 94.89 | 343.96 |
| 12 | 83.00 | 13.10 | 68.00 | 438.29 | 343.31 | 94.98 | 343.99 |
| 13 | 81.50 | 13.00 | 68.00 | 438.26 | 343.42 | 94.84 | 343.98 |
| 14 | 81.00 | 13.00 | 67.50 | 438.15 | 343.18 | 94.97 | 343.76 |
| 15 | 72.50 | 12.90 | 59.10 | 438.13 | 342.66 | 95.47 | 343.31 |
| 16 | 72.50 | 12.90 | 59.10 | 438.15 | 342.64 | 95.51 | 343.30 |
| 17 | 72.50 | 12.90 | 59.10 | 438.23 | 342.63 | 95.60 | 343.17 |
| 18 | 72.40 | 12.90 | 59.00 | 438.18 | 342.55 | 95.63 | 343.28 |
| 19 | 72.30 | 13.00 | 58.80 | 438.21 | 342.51 | 95.70 | 343.27 |
| 20 | 73.80 | 12.90 | 58.90 | 438.27 | 342.67 | 95.60 | 343.29 |
| 21 | 73.80 | 12.90 | 58.90 | 438.22 | 342.50 | 95.72 | 343.21 |
| 22 | 72.30 | 12.90 | 58.90 | 438.31 | 342.58 | 95.73 | 343.25 |
| 23 | 72.40 | 12.90 | 58.90 | 438.31 | 342.58 | 95.73 | 343.36 |
| 24 | 72.50 | 12.90 | 59.10 | 438.25 | 342.56 | 95.69 | 343.19 |
|
| AVG | 77.17 | 12.97 | 63.53 | 438.24 | 342.96 | 95.29 | 343.61 |
|
| MAX | 83.00 | 13.10 | 68.00 | 438.33 | 343.43 | 95.73 | 344.04 |
| MIN | 72.30 | 12.90 | 58.80 | 438.13 | 342.50 | 94.84 | 343.17 |