Wanapum Dam
Monday June 22, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 94.20 | 75.13 | 17.05 | 566.12 | 489.16 | 76.96 |
| 2 | 97.00 | 77.85 | 17.16 | 566.39 | 489.40 | 76.99 |
| 3 | 86.10 | 66.77 | 17.36 | 566.56 | 489.08 | 77.47 |
| 4 | 98.50 | 79.19 | 17.34 | 566.24 | 489.62 | 76.62 |
| 5 | 101.50 | 82.33 | 17.14 | 566.07 | 489.78 | 76.29 |
| 6 | 108.60 | 89.56 | 17.03 | 565.88 | 489.97 | 75.92 |
| 7 | 119.00 | 100.22 | 16.81 | 565.46 | 490.58 | 74.88 |
| 8 | 119.90 | 101.39 | 16.54 | 565.12 | 490.56 | 74.56 |
| 9 | 121.10 | 102.69 | 16.42 | 565.01 | 490.71 | 74.30 |
| 10 | 134.30 | 116.00 | 16.26 | 564.84 | 491.19 | 73.65 |
| 11 | 133.80 | 115.60 | 16.19 | 564.71 | 491.08 | 73.63 |
| 12 | 112.60 | 94.49 | 16.14 | 564.75 | 489.85 | 74.90 |
| 13 | 108.70 | 90.52 | 16.17 | 564.80 | 490.06 | 74.74 |
| 14 | 108.10 | 89.82 | 16.23 | 564.87 | 490.12 | 74.76 |
| 15 | 119.90 | 101.61 | 16.27 | 564.92 | 490.82 | 74.10 |
| 16 | 128.00 | 109.77 | 16.22 | 564.76 | 491.02 | 73.73 |
| 17 | 138.20 | 119.90 | 16.26 | 565.17 | 491.25 | 73.93 |
| 18 | 114.50 | 95.97 | 16.57 | 565.43 | 490.51 | 74.92 |
| 19 | 144.70 | 126.13 | 16.60 | 565.43 | 492.26 | 73.17 |
| 20 | 162.10 | 143.35 | 16.71 | 565.79 | 492.64 | 73.15 |
| 21 | 148.40 | 129.38 | 17.03 | 566.09 | 492.05 | 74.05 |
| 22 | 140.10 | 120.99 | 17.14 | 566.18 | 491.81 | 74.38 |
| 23 | 149.20 | 129.98 | 17.18 | 566.31 | 492.21 | 74.10 |
| 24 | 152.00 | 132.69 | 17.33 | 566.68 | 492.23 | 74.45 |
|
| AVG | 122.52 | 103.80 | 16.71 | 565.57 | 490.75 | 74.82 |
|
| MAX | 162.10 | 143.35 | 17.36 | 566.68 | 492.64 | 77.47 |
| MIN | 86.10 | 66.77 | 16.14 | 564.71 | 489.08 | 73.15 |