Wanapum Dam
Tuesday May 12, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 161.20 | 139.49 | 19.73 | 570.05 | 492.71 | 77.34 |
| 2 | 157.10 | 135.35 | 19.80 | 570.00 | 492.73 | 77.27 |
| 3 | 157.90 | 136.12 | 19.81 | 570.13 | 492.52 | 77.62 |
| 4 | 161.00 | 139.12 | 19.86 | 570.04 | 492.82 | 77.22 |
| 5 | 164.30 | 142.53 | 19.76 | 569.97 | 492.84 | 77.13 |
| 6 | 163.30 | 141.59 | 19.75 | 569.97 | 492.79 | 77.18 |
| 7 | 163.30 | 141.60 | 19.70 | 569.86 | 492.79 | 77.06 |
| 8 | 160.40 | 138.76 | 19.65 | 569.80 | 492.76 | 77.04 |
| 9 | 156.20 | 134.57 | 19.59 | 569.67 | 492.46 | 77.21 |
| 10 | 154.20 | 132.63 | 19.55 | 569.75 | 492.42 | 77.33 |
| 11 | 159.60 | 138.08 | 19.56 | 569.61 | 492.64 | 76.96 |
| 12 | 163.10 | 141.65 | 19.40 | 569.32 | 492.76 | 76.56 |
| 13 | 146.20 | 124.87 | 19.33 | 569.31 | 492.09 | 77.22 |
| 14 | 162.90 | 141.77 | 19.16 | 568.92 | 492.80 | 76.12 |
| 15 | 163.00 | 142.03 | 18.99 | 568.86 | 492.67 | 76.19 |
| 16 | 159.30 | 138.37 | 18.98 | 568.81 | 492.60 | 76.22 |
| 17 | 160.90 | 140.03 | 18.89 | 568.71 | 492.55 | 76.16 |
| 18 | 157.80 | 136.91 | 18.86 | 568.65 | 492.56 | 76.09 |
| 19 | 160.60 | 139.71 | 18.84 | 568.71 | 492.54 | 76.16 |
| 20 | 163.30 | 142.47 | 18.86 | 568.55 | 492.79 | 75.76 |
| 21 | 165.50 | 144.67 | 18.86 | 568.68 | 492.70 | 75.97 |
| 22 | 168.00 | 147.00 | 18.96 | 568.87 | 492.79 | 76.08 |
| 23 | 158.70 | 137.60 | 19.07 | 569.08 | 492.25 | 76.83 |
| 24 | 129.70 | 108.43 | 19.28 | 569.45 | 491.17 | 78.28 |
|
| AVG | 159.06 | 137.72 | 19.34 | 569.37 | 492.57 | 76.79 |
|
| MAX | 168.00 | 147.00 | 19.86 | 570.13 | 492.84 | 78.28 |
| MIN | 129.70 | 108.43 | 18.84 | 568.55 | 491.17 | 75.76 |