Ice Harbor Dam
Saturday March 21, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head | Nav Lock Tailwater Elevation |
| 1 | 64.70 | 54.20 | 10.00 | 438.29 | 343.49 | 94.80 | 343.70 |
| 2 | 64.70 | 54.20 | 10.00 | 438.23 | 343.47 | 94.76 | 343.67 |
| 3 | 64.70 | 54.20 | 9.90 | 438.22 | 343.46 | 94.76 | 343.66 |
| 4 | 64.70 | 54.30 | 9.90 | 438.20 | 343.54 | 94.66 | 343.66 |
| 5 | 64.80 | 54.40 | 9.90 | 438.16 | 343.49 | 94.67 | 343.68 |
| 6 | 64.60 | 54.20 | 9.90 | 438.17 | 343.55 | 94.62 | 343.66 |
| 7 | 64.40 | 54.10 | 9.90 | 438.12 | 343.51 | 94.61 | 343.65 |
| 8 | 63.90 | 53.70 | 9.70 | 438.08 | 343.46 | 94.62 | 343.58 |
| 9 | 64.30 | 54.10 | 9.80 | 438.28 | 343.50 | 94.78 | 343.72 |
| 10 | 64.30 | 54.00 | 9.70 | 438.32 | 343.49 | 94.83 | 343.63 |
| 11 | 64.50 | 54.20 | 9.80 | 438.41 | 343.55 | 94.86 | 343.71 |
| 12 | 64.40 | 54.20 | 9.70 | 438.16 | 343.55 | 94.61 | 343.75 |
| 13 | 64.20 | 54.10 | 9.60 | 438.22 | 343.51 | 94.71 | 343.69 |
| 14 | 64.40 | 54.20 | 9.60 | 438.18 | 343.48 | 94.70 | 343.69 |
| 15 | 64.10 | 54.10 | 9.60 | 438.11 | 343.53 | 94.58 | 343.70 |
| 16 | 64.30 | 54.20 | 9.60 | 438.06 | 343.47 | 94.59 | 343.70 |
| 17 | 64.50 | 54.20 | 9.80 | 437.96 | 343.59 | 94.37 | 343.66 |
| 18 | 64.50 | 54.20 | 9.70 | 437.93 | 343.48 | 94.45 | 343.73 |
| 19 | 64.40 | 54.00 | 9.90 | 438.22 | 343.51 | 94.71 | 343.64 |
| 20 | 64.50 | 54.00 | 10.00 | 438.21 | 343.45 | 94.76 | 343.64 |
| 21 | 64.80 | 54.20 | 10.10 | 438.36 | 343.47 | 94.89 | 343.71 |
| 22 | 65.10 | 54.40 | 10.20 | 438.40 | 343.53 | 94.87 | 343.71 |
| 23 | 64.80 | 54.10 | 10.20 | 438.51 | 343.44 | 95.07 | 343.56 |
| 24 | 64.90 | 54.10 | 10.30 | 438.61 | 343.44 | 95.17 | 343.53 |
|
| AVG | 64.52 | 54.15 | 9.87 | 438.23 | 343.50 | 94.73 | 343.67 |
|
| MAX | 65.10 | 54.40 | 10.30 | 438.61 | 343.59 | 95.17 | 343.75 |
| MIN | 63.90 | 53.70 | 9.60 | 437.93 | 343.44 | 94.37 | 343.53 |