Wanapum Dam
Wednesday January 21, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 158.50 | 157.09 | 0.00 | 571.22 | 493.50 | 77.72 |
| 2 | 167.90 | 166.53 | 0.00 | 570.98 | 493.84 | 77.14 |
| 3 | 158.90 | 157.50 | 0.00 | 570.85 | 493.66 | 77.19 |
| 4 | 163.60 | 162.23 | 0.00 | 570.73 | 493.81 | 76.92 |
| 5 | 163.90 | 162.50 | 0.00 | 570.62 | 493.70 | 76.93 |
| 6 | 169.20 | 167.78 | 0.00 | 570.68 | 494.03 | 76.64 |
| 7 | 165.50 | 164.14 | 0.00 | 570.75 | 493.80 | 76.95 |
| 8 | 152.60 | 151.16 | 0.00 | 570.75 | 493.28 | 77.47 |
| 9 | 162.60 | 161.19 | 0.00 | 570.84 | 493.55 | 77.30 |
| 10 | 148.50 | 147.08 | 0.00 | 571.01 | 493.25 | 77.75 |
| 11 | 164.30 | 162.88 | 0.00 | 570.98 | 493.60 | 77.38 |
| 12 | 159.10 | 157.66 | 0.00 | 571.03 | 493.40 | 77.64 |
| 13 | 162.30 | 160.85 | 0.00 | 570.94 | 493.56 | 77.38 |
| 14 | 148.70 | 147.29 | 0.00 | 571.09 | 493.18 | 77.92 |
| 15 | 163.50 | 162.14 | 0.00 | 571.15 | 493.61 | 77.55 |
| 16 | 162.30 | 160.94 | 0.00 | 571.17 | 493.68 | 77.49 |
| 17 | 169.50 | 168.09 | 0.00 | 571.17 | 493.99 | 77.18 |
| 18 | 169.40 | 168.03 | 0.00 | 571.17 | 493.99 | 77.18 |
| 19 | 168.30 | 166.88 | 0.00 | 571.19 | 493.95 | 77.24 |
| 20 | 168.40 | 167.01 | 0.00 | 571.17 | 493.99 | 77.18 |
| 21 | 166.80 | 165.38 | 0.00 | 571.23 | 493.83 | 77.40 |
| 22 | 166.20 | 164.78 | 0.00 | 571.25 | 493.92 | 77.33 |
| 23 | 170.20 | 168.82 | 0.00 | 571.25 | 493.99 | 77.26 |
| 24 | 167.10 | 165.67 | 0.00 | 571.17 | 493.94 | 77.23 |
|
| AVG | 163.22 | 161.82 | 0.00 | 571.02 | 493.71 | 77.31 |
|
| MAX | 170.20 | 168.82 | 0.00 | 571.25 | 494.03 | 77.92 |
| MIN | 148.50 | 147.08 | 0.00 | 570.62 | 493.18 | 76.64 |