Wanapum Dam
Monday June 1, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 153.10 | 130.60 | 20.47 | 571.08 | 492.88 | 78.20 |
| 2 | 158.70 | 136.15 | 20.50 | 571.11 | 493.04 | 78.07 |
| 3 | 173.40 | 136.22 | 35.18 | 571.24 | 493.90 | 77.33 |
| 4 | 189.90 | 148.26 | 39.68 | 571.18 | 494.21 | 76.97 |
| 5 | 184.20 | 142.56 | 39.64 | 571.04 | 494.18 | 76.87 |
| 6 | 184.30 | 142.73 | 39.60 | 571.00 | 494.19 | 76.81 |
| 7 | 172.80 | 130.31 | 40.46 | 571.02 | 493.54 | 77.48 |
| 8 | 179.30 | 126.34 | 50.95 | 570.99 | 493.77 | 77.22 |
| 9 | 180.00 | 127.21 | 50.84 | 570.96 | 493.77 | 77.18 |
| 10 | 176.80 | 128.01 | 46.84 | 570.81 | 493.67 | 77.13 |
| 11 | 163.50 | 129.58 | 31.89 | 570.68 | 493.05 | 77.63 |
| 12 | 152.30 | 130.16 | 20.18 | 570.44 | 492.78 | 77.66 |
| 13 | 153.30 | 131.43 | 19.89 | 569.98 | 492.90 | 77.08 |
| 14 | 158.40 | 136.58 | 19.83 | 570.14 | 493.08 | 77.05 |
| 15 | 170.40 | 148.48 | 19.90 | 570.13 | 493.46 | 76.67 |
| 16 | 165.80 | 143.91 | 19.87 | 570.08 | 493.29 | 76.79 |
| 17 | 166.70 | 144.84 | 19.89 | 570.15 | 493.32 | 76.83 |
| 18 | 168.20 | 146.34 | 19.89 | 570.26 | 493.35 | 76.91 |
| 19 | 156.60 | 134.68 | 19.97 | 570.30 | 492.97 | 77.33 |
| 20 | 165.10 | 143.12 | 20.03 | 570.45 | 493.25 | 77.20 |
| 21 | 170.40 | 148.28 | 20.14 | 570.66 | 493.42 | 77.24 |
| 22 | 163.70 | 141.40 | 20.26 | 570.78 | 493.20 | 77.58 |
| 23 | 164.90 | 142.54 | 20.36 | 570.93 | 493.25 | 77.68 |
| 24 | 165.70 | 143.20 | 20.46 | 571.08 | 493.47 | 77.61 |
|
| AVG | 168.23 | 138.04 | 28.20 | 570.69 | 493.41 | 77.27 |
|
| MAX | 189.90 | 148.48 | 50.95 | 571.24 | 494.21 | 78.20 |
| MIN | 152.30 | 126.34 | 19.83 | 569.98 | 492.78 | 76.67 |