Wanapum Dam
Saturday September 19, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 43.30 | 40.24 | 1.02 | 566.67 | 486.44 | 80.24 |
| 2 | 41.80 | 38.72 | 1.06 | 567.12 | 486.26 | 80.86 |
| 3 | 40.60 | 37.45 | 1.12 | 566.79 | 486.38 | 80.41 |
| 4 | 41.60 | 38.59 | 1.05 | 566.85 | 486.38 | 80.46 |
| 5 | 38.80 | 35.76 | 1.07 | 566.79 | 486.35 | 80.44 |
| 6 | 41.60 | 38.57 | 1.02 | 566.44 | 486.43 | 80.01 |
| 7 | 48.60 | 45.63 | 0.95 | 566.57 | 486.87 | 79.69 |
| 8 | 52.80 | 49.80 | 1.02 | 566.90 | 486.64 | 80.26 |
| 9 | 25.90 | 22.81 | 1.09 | 566.98 | 485.36 | 81.62 |
| 10 | 25.90 | 22.82 | 1.05 | 566.55 | 486.06 | 80.49 |
| 11 | 54.50 | 51.49 | 1.00 | 566.90 | 487.15 | 79.75 |
| 12 | 69.00 | 65.95 | 1.08 | 566.86 | 487.75 | 79.11 |
| 13 | 64.20 | 61.23 | 1.01 | 566.56 | 487.27 | 79.29 |
| 14 | 38.10 | 35.12 | 0.99 | 566.77 | 486.28 | 80.49 |
| 15 | 48.40 | 45.35 | 1.04 | 566.73 | 487.16 | 79.57 |
| 16 | 55.40 | 52.41 | 1.01 | 566.62 | 487.25 | 79.37 |
| 17 | 55.40 | 52.38 | 1.01 | 566.73 | 487.31 | 79.42 |
| 18 | 72.60 | 69.55 | 1.02 | 566.62 | 488.55 | 78.07 |
| 19 | 88.60 | 85.61 | 1.02 | 566.74 | 489.02 | 77.73 |
| 20 | 92.60 | 89.59 | 1.03 | 566.70 | 489.13 | 77.57 |
| 21 | 77.20 | 74.22 | 1.02 | 566.71 | 488.23 | 78.49 |
| 22 | 67.00 | 63.90 | 1.09 | 566.88 | 487.81 | 79.06 |
| 23 | 46.90 | 43.79 | 1.07 | 566.99 | 486.65 | 80.34 |
| 24 | 39.80 | 36.73 | 1.11 | 566.99 | 486.75 | 80.24 |
|
| AVG | 52.94 | 49.90 | 1.04 | 566.77 | 487.06 | 79.71 |
|
| MAX | 92.60 | 89.59 | 1.12 | 567.12 | 489.13 | 81.62 |
| MIN | 25.90 | 22.81 | 0.95 | 566.44 | 485.36 | 77.57 |