Wanapum Dam
Saturday October 31, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 41.30 | 38.12 | 1.21 | 566.84 | 485.91 | 80.93 |
| 2 | 53.40 | 50.38 | 1.04 | 566.76 | 487.23 | 79.53 |
| 3 | 33.30 | 30.25 | 1.05 | 567.03 | 485.46 | 81.57 |
| 4 | 32.10 | 28.92 | 1.14 | 566.78 | 485.44 | 81.34 |
| 5 | 52.40 | 49.39 | 0.99 | 566.62 | 486.41 | 80.21 |
| 6 | 32.50 | 29.45 | 1.09 | 567.21 | 484.85 | 82.36 |
| 7 | 36.20 | 32.96 | 1.20 | 567.18 | 485.49 | 81.70 |
| 8 | 46.30 | 43.13 | 1.17 | 567.34 | 485.70 | 81.64 |
| 9 | 44.70 | 41.42 | 1.29 | 568.04 | 485.11 | 82.93 |
| 10 | 48.00 | 44.51 | 1.45 | 568.24 | 485.53 | 82.71 |
| 11 | 57.00 | 53.47 | 1.51 | 568.61 | 486.23 | 82.38 |
| 12 | 52.70 | 49.01 | 1.65 | 569.10 | 485.80 | 83.30 |
| 13 | 47.90 | 44.18 | 1.76 | 569.23 | 485.58 | 83.64 |
| 14 | 54.40 | 50.66 | 1.75 | 569.10 | 486.49 | 82.61 |
| 15 | 68.80 | 65.05 | 1.71 | 569.05 | 487.72 | 81.33 |
| 16 | 105.20 | 101.53 | 1.68 | 568.81 | 489.50 | 79.31 |
| 17 | 107.30 | 103.70 | 1.56 | 568.29 | 489.70 | 78.58 |
| 18 | 90.00 | 86.55 | 1.49 | 568.20 | 489.00 | 79.20 |
| 19 | 96.90 | 93.40 | 1.45 | 568.13 | 489.51 | 78.63 |
| 20 | 106.70 | 103.31 | 1.43 | 568.07 | 489.92 | 78.16 |
| 21 | 134.60 | 131.25 | 1.39 | 567.86 | 491.16 | 76.71 |
| 22 | 125.40 | 122.04 | 1.39 | 568.09 | 490.60 | 77.49 |
| 23 | 77.60 | 74.14 | 1.47 | 568.24 | 488.19 | 80.04 |
| 24 | 95.50 | 91.98 | 1.47 | 568.22 | 489.28 | 78.94 |
| 1 | 110.40 | 106.99 | 1.42 | 567.82 | 490.05 | 77.77 |
|
| AVG | 70.02 | 66.63 | 1.39 | 567.95 | 487.43 | 80.52 |
|
| MAX | 134.60 | 131.25 | 1.76 | 569.23 | 491.16 | 83.64 |
| MIN | 32.10 | 28.92 | 0.99 | 566.62 | 484.85 | 76.71 |