Ice Harbor Dam
Monday March 23, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
|---|
| 1 | 69.40 | 54.00 | 14.90 | 438.79 | 343.69 | 95.10 | 343.97 |
| 2 | 69.70 | 54.10 | 15.10 | 438.81 | 343.73 | 95.08 | 344.01 |
| 3 | 69.80 | 54.20 | 15.10 | 438.69 | 343.72 | 94.97 | 343.98 |
| 4 | 69.70 | 54.30 | 14.90 | 438.59 | 343.71 | 94.88 | 344.03 |
| 5 | 69.50 | 54.10 | 14.90 | 438.56 | 343.67 | 94.89 | 344.00 |
| 6 | 69.50 | 54.20 | 14.80 | 438.42 | 343.73 | 94.69 | 344.01 |
| 7 | 69.80 | 54.40 | 15.00 | 438.80 | 343.77 | 95.03 | 344.03 |
| 8 | 69.80 | 53.90 | 15.40 | 439.12 | 343.66 | 95.46 | 343.96 |
| 9 | 69.50 | 49.00 | 20.00 | 439.34 | 343.55 | 95.79 | 343.95 |
| 10 | 69.80 | 40.20 | 29.10 | 439.66 | 343.42 | 96.24 | 343.93 |
| 11 | 70.10 | 40.10 | 29.50 | 439.66 | 343.42 | 96.24 | 343.79 |
| 12 | 70.00 | 40.20 | 29.30 | 439.44 | 343.57 | 95.87 | 343.87 |
| 13 | 66.00 | 52.10 | 13.40 | 439.30 | 343.47 | 95.83 | 343.64 |
| 14 | 64.00 | 54.00 | 9.50 | 439.17 | 343.44 | 95.73 | 343.65 |
| 15 | 63.90 | 54.10 | 9.30 | 438.99 | 343.43 | 95.56 | 343.70 |
| 16 | 63.80 | 54.10 | 9.20 | 438.90 | 343.42 | 95.48 | 343.68 |
| 17 | 63.70 | 54.10 | 9.10 | 438.75 | 343.46 | 95.29 | 343.68 |
| 18 | 63.80 | 54.20 | 9.10 | 438.99 | 343.42 | 95.57 | 343.56 |
| 19 | 63.60 | 53.70 | 9.40 | 439.26 | 343.35 | 95.91 | 343.58 |
| 20 | 63.90 | 53.80 | 9.60 | 439.34 | 343.27 | 96.07 | 343.53 |
| 21 | 63.90 | 53.60 | 9.80 | 439.57 | 343.19 | 96.38 | 343.43 |
| 22 | 64.00 | 53.50 | 10.00 | 439.68 | 343.25 | 96.43 | 343.46 |
| 23 | 64.00 | 53.50 | 10.00 | 439.67 | 343.13 | 96.54 | 343.42 |
| 24 | 64.10 | 53.50 | 10.10 | 439.81 | 343.12 | 96.69 | 343.39 |
|
| AVG | 66.89 | 51.95 | 14.44 | 439.14 | 343.48 | 95.65 | 343.76 |
|
| MAX | 70.10 | 54.40 | 29.50 | 439.81 | 343.77 | 96.69 | 344.03 |
| MIN | 63.60 | 40.10 | 9.10 | 438.42 | 343.12 | 94.69 | 343.39 |