Wanapum Dam
Wednesday May 13, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 149.20 | 127.83 | 19.41 | 569.54 | 491.99 | 77.56 |
| 2 | 143.70 | 122.21 | 19.48 | 569.66 | 491.52 | 78.14 |
| 3 | 141.80 | 120.48 | 19.32 | 568.93 | 491.49 | 77.44 |
| 4 | 123.30 | 102.15 | 19.14 | 569.29 | 491.08 | 78.21 |
| 5 | 135.30 | 113.99 | 19.33 | 569.60 | 490.96 | 78.65 |
| 6 | 103.00 | 81.64 | 19.39 | 569.14 | 490.19 | 78.94 |
| 7 | 103.10 | 81.63 | 19.43 | 569.57 | 491.15 | 78.42 |
| 8 | 148.80 | 127.14 | 19.61 | 569.92 | 492.01 | 77.91 |
| 9 | 154.10 | 132.31 | 19.80 | 570.12 | 492.41 | 77.71 |
| 10 | 150.60 | 128.80 | 19.77 | 569.94 | 491.67 | 78.27 |
| 11 | 103.10 | 78.09 | 23.02 | 570.32 | 489.78 | 80.53 |
| 12 | 148.80 | 106.02 | 40.76 | 570.17 | 491.83 | 78.34 |
| 13 | 148.30 | 105.46 | 40.86 | 570.44 | 491.91 | 78.53 |
| 14 | 157.40 | 123.20 | 32.22 | 570.55 | 492.83 | 77.72 |
| 15 | 130.50 | 93.57 | 34.93 | 570.37 | 490.72 | 79.65 |
| 16 | 119.60 | 82.64 | 34.97 | 570.59 | 490.67 | 79.91 |
| 17 | 144.70 | 111.43 | 31.26 | 570.37 | 491.91 | 78.46 |
| 18 | 135.00 | 112.99 | 20.04 | 570.26 | 491.17 | 79.09 |
| 19 | 98.00 | 76.03 | 19.95 | 570.27 | 489.41 | 80.85 |
| 20 | 139.90 | 117.97 | 19.89 | 570.25 | 491.92 | 78.33 |
| 21 | 152.20 | 130.25 | 19.97 | 570.36 | 491.98 | 78.38 |
| 22 | 151.50 | 129.54 | 19.96 | 570.23 | 492.21 | 78.02 |
| 23 | 153.60 | 131.78 | 19.80 | 570.04 | 491.56 | 78.48 |
| 24 | 152.80 | 131.10 | 19.73 | 569.97 | 492.08 | 77.89 |
|
| AVG | 137.01 | 111.18 | 23.84 | 570.00 | 491.44 | 78.56 |
|
| MAX | 157.40 | 132.31 | 40.86 | 570.59 | 492.83 | 80.85 |
| MIN | 98.00 | 76.03 | 19.14 | 568.93 | 489.41 | 77.44 |