Wanapum Dam
Friday August 7, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 107.80 | 88.37 | 17.45 | 566.66 | 490.26 | 76.40 |
| 2 | 90.50 | 70.90 | 17.58 | 566.80 | 489.42 | 77.39 |
| 3 | 85.40 | 65.95 | 17.46 | 566.45 | 489.06 | 77.39 |
| 4 | 83.60 | 63.99 | 17.64 | 567.39 | 488.90 | 78.49 |
| 5 | 74.50 | 54.63 | 17.82 | 566.91 | 488.54 | 78.37 |
| 6 | 78.70 | 59.30 | 17.38 | 565.91 | 489.48 | 76.43 |
| 7 | 108.40 | 89.24 | 17.14 | 566.69 | 489.93 | 76.76 |
| 8 | 72.90 | 53.39 | 17.46 | 566.51 | 488.09 | 78.43 |
| 9 | 77.80 | 58.35 | 17.44 | 566.62 | 489.03 | 77.59 |
| 10 | 92.60 | 72.98 | 17.60 | 567.14 | 489.41 | 77.73 |
| 11 | 87.80 | 67.77 | 18.00 | 567.53 | 489.18 | 78.35 |
| 12 | 106.80 | 86.85 | 17.96 | 567.29 | 490.68 | 76.61 |
| 13 | 133.70 | 113.86 | 17.84 | 567.21 | 491.67 | 75.54 |
| 14 | 121.20 | 101.27 | 17.93 | 567.32 | 491.00 | 76.32 |
| 15 | 125.70 | 105.92 | 17.80 | 566.80 | 491.32 | 75.48 |
| 16 | 116.50 | 97.02 | 17.48 | 566.60 | 490.80 | 75.80 |
| 17 | 138.10 | 118.58 | 17.52 | 566.82 | 491.97 | 74.84 |
| 18 | 146.50 | 126.94 | 17.55 | 566.82 | 492.48 | 74.34 |
| 19 | 157.60 | 138.07 | 17.52 | 566.70 | 492.88 | 73.83 |
| 20 | 165.40 | 145.97 | 17.46 | 566.70 | 492.73 | 73.97 |
| 21 | | | | | | |
| 22 | | | | | | |
| 23 | | | | | | |
| 24 | | | | | | |
|
| AVG | 108.58 | 88.97 | 17.60 | 566.84 | 490.34 | 76.50 |
|
| MAX | 165.40 | 145.97 | 18.00 | 567.53 | 492.88 | 78.49 |
| MIN | 72.90 | 53.39 | 17.14 | 565.91 | 488.09 | 73.83 |