Ice Harbor Dam
Friday January 23, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 27.20 | 27.00 | 0.00 | 438.12 | 340.71 | 97.41 | 340.64 |
| 2 | 27.20 | 27.00 | 0.00 | 438.03 | 340.64 | 97.39 | 340.59 |
| 3 | 27.10 | 26.90 | 0.00 | 437.99 | 340.58 | 97.41 | 340.52 |
| 4 | 28.60 | 26.90 | 0.00 | 438.14 | 340.55 | 97.59 | 340.50 |
| 5 | 27.20 | 27.00 | 0.00 | 437.98 | 340.42 | 97.56 | 340.42 |
| 6 | 27.40 | 27.20 | 0.00 | 438.08 | 340.57 | 97.51 | 340.51 |
| 7 | 39.80 | 39.60 | 0.00 | 438.31 | 341.56 | 96.75 | 341.38 |
| 8 | 40.10 | 39.90 | 0.00 | 438.04 | 341.72 | 96.32 | 341.40 |
| 9 | 41.70 | 40.00 | 0.00 | 438.29 | 341.54 | 96.75 | 341.37 |
| 10 | 40.20 | 40.00 | 0.00 | 438.32 | 341.55 | 96.77 | 341.36 |
| 11 | 40.20 | 40.00 | 0.00 | 438.43 | 341.52 | 96.91 | 341.36 |
| 12 | 40.20 | 40.00 | 0.00 | 438.56 | 341.58 | 96.98 | 341.38 |
| 13 | 39.80 | 39.60 | 0.00 | 438.16 | 341.21 | 96.95 | 341.14 |
| 14 | 26.70 | 26.50 | 0.00 | 438.38 | 340.28 | 98.10 | 340.22 |
| 15 | 26.50 | 26.30 | 0.00 | 438.19 | 340.38 | 97.81 | 340.34 |
| 16 | 26.60 | 26.40 | 0.00 | 438.31 | 340.39 | 97.92 | 340.31 |
| 17 | 26.80 | 26.60 | 0.00 | 438.25 | 340.58 | 97.67 | 340.61 |
| 18 | 41.30 | 39.60 | 0.00 | 438.00 | 341.77 | 96.23 | 341.54 |
| 19 | 40.30 | 40.10 | 0.00 | 438.58 | 341.54 | 97.04 | 341.33 |
| 20 | 40.40 | 40.20 | 0.00 | 438.33 | 341.55 | 96.78 | 341.37 |
| 21 | 40.30 | 40.10 | 0.00 | 438.54 | 341.54 | 97.00 | 341.30 |
| 22 | 40.40 | 40.20 | 0.00 | 438.68 | 341.53 | 97.15 | 341.35 |
| 23 | 40.10 | 39.90 | 0.00 | 438.71 | 341.33 | 97.38 | 341.23 |
| 24 | 27.60 | 27.40 | 0.00 | 438.50 | 340.24 | 98.26 | 340.15 |
|
| AVG | 34.32 | 33.93 | 0.00 | 438.29 | 341.05 | 97.24 | 340.93 |
|
| MAX | 41.70 | 40.20 | 0.00 | 438.71 | 341.77 | 98.26 | 341.54 |
| MIN | 26.50 | 26.30 | 0.00 | 437.98 | 340.24 | 96.23 | 340.15 |