Ice Harbor Dam
Friday June 19, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 36.00 | 12.60 | 22.90 | 438.07 | 339.94 | 98.13 | 340.82 |
| 2 | 36.10 | 12.60 | 23.00 | 437.94 | 340.01 | 97.93 | 340.89 |
| 3 | 36.00 | 12.60 | 23.00 | 438.01 | 340.12 | 97.89 | 341.20 |
| 4 | 36.10 | 12.60 | 23.10 | 438.09 | 340.15 | 97.94 | 341.04 |
| 5 | 36.20 | 12.60 | 23.10 | 438.09 | 339.90 | 98.19 | 340.95 |
| 6 | 35.90 | 12.60 | 22.90 | 438.04 | 339.98 | 98.06 | 340.78 |
| 7 | 35.90 | 12.50 | 22.90 | 438.03 | 339.94 | 98.09 | 340.85 |
| 8 | 35.90 | 12.50 | 22.90 | 438.03 | 339.95 | 98.08 | 340.73 |
| 9 | 30.20 | 12.60 | 17.10 | 438.05 | 339.73 | 98.32 | 340.52 |
| 10 | 30.00 | 12.50 | 17.00 | 437.99 | 339.76 | 98.23 | 340.66 |
| 11 | 30.00 | 12.50 | 17.00 | 438.07 | 339.74 | 98.33 | 340.65 |
| 12 | 30.10 | 12.60 | 17.00 | 438.03 | 339.82 | 98.21 | 340.63 |
| 13 | 30.00 | 12.50 | 17.00 | 438.03 | 339.63 | 98.40 | 340.49 |
| 14 | 30.10 | 12.50 | 17.00 | 438.06 | 339.62 | 98.44 | 340.45 |
| 15 | 30.00 | 12.50 | 17.00 | 438.03 | 339.67 | 98.36 | 340.42 |
| 16 | 30.00 | 12.50 | 17.00 | 438.06 | 339.63 | 98.43 | 340.42 |
| 17 | 30.10 | 12.50 | 17.10 | 438.05 | 339.78 | 98.27 | 340.42 |
| 18 | 30.10 | 12.50 | 17.00 | 438.04 | 339.63 | 98.41 | 340.45 |
| 19 | 30.20 | 12.60 | 17.10 | 438.20 | 339.61 | 98.59 | 340.45 |
| 20 | 30.10 | 12.50 | 17.10 | 438.13 | 339.58 | 98.55 | 340.35 |
| 21 | 31.60 | 12.50 | 17.10 | 438.13 | 339.70 | 98.43 | 340.43 |
| 22 | 30.20 | 12.60 | 17.10 | 438.09 | 339.51 | 98.58 | 340.43 |
| 23 | 30.20 | 12.50 | 17.10 | 438.11 | 339.61 | 98.50 | 340.47 |
| 24 | 30.10 | 12.50 | 17.10 | 438.15 | 339.58 | 98.57 | 340.26 |
|
| AVG | 32.13 | 12.54 | 19.03 | 438.06 | 339.77 | 98.29 | 340.62 |
|
| MAX | 36.20 | 12.60 | 23.10 | 438.20 | 340.15 | 98.59 | 341.20 |
| MIN | 30.00 | 12.50 | 17.00 | 437.94 | 339.51 | 97.89 | 340.26 |