Wanapum Dam
Thursday May 7, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 155.20 | 134.04 | 19.12 | 569.05 | 491.82 | 77.24 |
| 2 | 147.60 | 126.53 | 19.07 | 568.94 | 492.15 | 76.78 |
| 3 | 141.90 | 120.88 | 19.03 | 568.78 | 492.18 | 76.60 |
| 4 | 144.40 | 123.46 | 18.91 | 568.71 | 492.03 | 76.68 |
| 5 | 158.00 | 137.22 | 18.80 | 568.61 | 492.20 | 76.41 |
| 6 | 139.00 | 118.24 | 18.80 | 568.56 | 491.93 | 76.63 |
| 7 | 134.00 | 113.14 | 18.84 | 568.79 | 491.20 | 77.59 |
| 8 | 117.60 | 96.61 | 18.99 | 568.92 | 490.30 | 78.62 |
| 9 | 140.40 | 119.48 | 18.90 | 568.73 | 491.60 | 77.14 |
| 10 | 153.80 | 132.88 | 18.95 | 568.74 | 492.42 | 76.31 |
| 11 | 138.70 | 117.79 | 18.91 | 568.65 | 491.58 | 77.07 |
| 12 | 147.40 | 126.57 | 18.79 | 568.69 | 492.04 | 76.65 |
| 13 | 146.50 | 125.59 | 18.88 | 568.64 | 492.19 | 76.45 |
| 14 | 150.10 | 129.25 | 18.84 | 568.64 | 492.15 | 76.50 |
| 15 | 143.80 | 123.05 | 18.80 | 568.55 | 491.93 | 76.62 |
| 16 | 143.20 | 122.50 | 18.75 | 568.44 | 492.15 | 76.29 |
| 17 | 146.50 | 125.78 | 18.74 | 568.50 | 491.99 | 76.52 |
| 18 | 137.20 | 116.47 | 18.74 | 568.46 | 491.73 | 76.73 |
| 19 | 152.80 | 132.06 | 18.71 | 568.49 | 492.40 | 76.09 |
| 20 | 158.60 | 137.89 | 18.76 | 568.57 | 492.58 | 75.98 |
| 21 | 150.30 | 129.49 | 18.81 | 568.67 | 492.21 | 76.46 |
| 22 | 152.50 | 131.65 | 18.86 | 568.75 | 492.29 | 76.46 |
| 23 | 147.20 | 126.27 | 18.97 | 568.92 | 492.00 | 76.92 |
| 24 | 142.60 | 121.56 | 19.08 | 569.12 | 491.73 | 77.39 |
|
| AVG | 145.39 | 124.52 | 18.88 | 568.71 | 491.95 | 76.76 |
|
| MAX | 158.60 | 137.89 | 19.12 | 569.12 | 492.58 | 78.62 |
| MIN | 117.60 | 96.61 | 18.71 | 568.44 | 490.30 | 75.98 |