Wanapum Dam
Sunday May 3, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 179.20 | 147.17 | 30.07 | 570.51 | 493.51 | 77.00 |
| 2 | 175.90 | 143.84 | 30.10 | 570.42 | 493.48 | 76.94 |
| 3 | 179.60 | 147.59 | 30.05 | 570.36 | 493.65 | 76.71 |
| 4 | 178.80 | 146.70 | 30.07 | 570.35 | 493.80 | 76.56 |
| 5 | 180.70 | 148.53 | 30.14 | 570.59 | 493.71 | 76.88 |
| 6 | 182.20 | 149.94 | 30.25 | 570.57 | 493.95 | 76.61 |
| 7 | 179.10 | 146.80 | 30.27 | 570.62 | 493.85 | 76.78 |
| 8 | 179.20 | 135.97 | 41.23 | 570.65 | 493.24 | 77.41 |
| 9 | 182.10 | 133.49 | 46.57 | 570.88 | 493.20 | 77.69 |
| 10 | 162.10 | 119.81 | 40.29 | 571.03 | 492.88 | 78.15 |
| 11 | 143.30 | 101.07 | 40.19 | 570.68 | 491.71 | 78.96 |
| 12 | 114.20 | 81.61 | 30.63 | 570.89 | 490.47 | 80.42 |
| 13 | 110.30 | 78.09 | 30.23 | 570.76 | 490.53 | 80.23 |
| 14 | 106.10 | 73.94 | 30.12 | 570.61 | 490.16 | 80.45 |
| 15 | 132.80 | 105.05 | 25.73 | 570.46 | 491.33 | 79.13 |
| 16 | 156.80 | 134.85 | 19.94 | 570.19 | 492.62 | 77.57 |
| 17 | 148.50 | 126.72 | 19.83 | 569.74 | 492.51 | 77.22 |
| 18 | 155.30 | 133.70 | 19.63 | 569.73 | 492.91 | 76.82 |
| 19 | 174.30 | 152.66 | 19.68 | 569.99 | 493.23 | 76.76 |
| 20 | 172.30 | 150.54 | 19.72 | 569.78 | 493.14 | 76.64 |
| 21 | 169.70 | 147.97 | 19.71 | 570.14 | 493.12 | 77.02 |
| 22 | 174.80 | 152.83 | 19.94 | 570.33 | 493.31 | 77.02 |
| 23 | 171.20 | 149.21 | 20.02 | 570.44 | 493.16 | 77.28 |
| 24 | 174.30 | 146.02 | 26.29 | 570.60 | 493.50 | 77.10 |
|
| AVG | 161.78 | 131.42 | 28.36 | 570.43 | 492.79 | 77.64 |
|
| MAX | 182.20 | 152.83 | 46.57 | 571.03 | 493.95 | 80.45 |
| MIN | 106.10 | 73.94 | 19.63 | 569.73 | 490.16 | 76.56 |