Wanapum Dam
Sunday May 10, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 200.30 | 152.56 | 45.78 | 571.03 | 494.53 | 76.50 |
| 2 | 178.30 | 145.65 | 30.64 | 571.01 | 493.66 | 77.35 |
| 3 | 172.20 | 140.19 | 29.97 | 570.95 | 493.67 | 77.28 |
| 4 | 179.00 | 147.07 | 29.92 | 570.94 | 493.69 | 77.25 |
| 5 | 175.20 | 143.23 | 29.93 | 570.92 | 493.53 | 77.39 |
| 6 | 166.90 | 135.06 | 29.87 | 570.79 | 492.83 | 77.96 |
| 7 | 154.70 | 127.42 | 25.27 | 570.87 | 491.96 | 78.91 |
| 8 | 144.40 | 112.02 | 30.36 | 570.84 | 492.56 | 78.28 |
| 9 | 150.90 | 128.61 | 20.27 | 570.70 | 492.39 | 78.31 |
| 10 | 144.20 | 121.95 | 20.24 | 570.58 | 491.56 | 79.02 |
| 11 | 144.80 | 114.52 | 28.27 | 570.68 | 491.45 | 79.23 |
| 12 | 149.50 | 108.44 | 39.08 | 570.61 | 491.21 | 79.40 |
| 13 | 142.60 | 101.63 | 39.02 | 570.61 | 490.76 | 79.85 |
| 14 | 130.60 | 89.74 | 38.90 | 570.57 | 490.50 | 80.07 |
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| AVG | 159.54 | 126.29 | 31.25 | 570.79 | 492.45 | 78.34 |
|
| MAX | 200.30 | 152.56 | 45.78 | 571.03 | 494.53 | 80.07 |
| MIN | 130.60 | 89.74 | 20.24 | 570.57 | 490.50 | 76.50 |