Wanapum Dam
Wednesday November 4, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 99.20 | 96.36 | 0.84 | 565.99 | 488.89 | 77.09 |
| 2 | 104.30 | 101.44 | 0.83 | 566.01 | 488.84 | 77.17 |
| 3 | 92.10 | 89.28 | 0.85 | 566.07 | 488.34 | 77.72 |
| 4 | 69.30 | 66.47 | 0.85 | 566.02 | 486.95 | 79.06 |
| 5 | 66.50 | 63.66 | 0.84 | 565.96 | 486.95 | 79.01 |
| 6 | 73.00 | 70.13 | 0.84 | 566.02 | 487.46 | 78.56 |
| 7 | 73.90 | 71.06 | 0.81 | 565.71 | 487.31 | 78.40 |
| 8 | 72.20 | 69.40 | 0.84 | 566.66 | 487.17 | 79.49 |
| 9 | 69.50 | 66.38 | 1.09 | 567.26 | 486.85 | 80.41 |
| 10 | 65.90 | 62.76 | 1.17 | 567.24 | 486.84 | 80.40 |
| 11 | 82.10 | 78.82 | 1.27 | 567.87 | 487.85 | 80.01 |
| 12 | 109.70 | 106.39 | 1.34 | 567.71 | 489.49 | 78.22 |
| 13 | 121.00 | 117.70 | 1.26 | 567.18 | 490.38 | 76.80 |
| 14 | 138.50 | 135.42 | 1.10 | 566.81 | 491.25 | 75.56 |
| 15 | 111.10 | 108.07 | 1.06 | 566.77 | 490.31 | 76.46 |
| 16 | 100.80 | 97.76 | 1.01 | 566.42 | 490.23 | 76.19 |
| 17 | 112.90 | 110.00 | 0.92 | 566.37 | 490.74 | 75.63 |
| 18 | 149.00 | 146.07 | 0.91 | 566.26 | 492.62 | 73.64 |
| 19 | 155.30 | 152.41 | 0.86 | 565.98 | 492.56 | 73.41 |
| 20 | 143.90 | 141.11 | 0.83 | 565.92 | 491.95 | 73.97 |
| 21 | 149.60 | 146.84 | 0.79 | 565.64 | 492.20 | 73.44 |
| 22 | 151.40 | 148.63 | 0.73 | 565.36 | 492.27 | 73.09 |
| 23 | 158.10 | 155.40 | 0.69 | 565.24 | 492.16 | 73.09 |
| 24 | 144.80 | 142.20 | 0.64 | 564.88 | 491.69 | 73.19 |
|
| AVG | 108.92 | 105.99 | 0.93 | 566.31 | 489.64 | 76.67 |
|
| MAX | 158.10 | 155.40 | 1.34 | 567.87 | 492.62 | 80.41 |
| MIN | 65.90 | 62.76 | 0.64 | 564.88 | 486.84 | 73.09 |