Wanapum Dam
Monday May 11, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 126.60 | 101.33 | 23.26 | 569.77 | 490.38 | 79.39 |
| 2 | 157.40 | 105.53 | 49.84 | 569.76 | 491.89 | 77.87 |
| 3 | 181.80 | 130.11 | 49.72 | 569.73 | 492.89 | 76.84 |
| 4 | 173.30 | 121.47 | 49.84 | 569.78 | 492.76 | 77.02 |
| 5 | 177.60 | 125.86 | 49.72 | 569.50 | 493.11 | 76.39 |
| 6 | 157.20 | 132.72 | 22.50 | 569.64 | 492.03 | 77.61 |
| 7 | 133.80 | 112.18 | 19.61 | 569.87 | 490.75 | 79.12 |
| 8 | 144.20 | 122.56 | 19.60 | 570.00 | 490.51 | 79.49 |
| 9 | 137.30 | 115.53 | 19.74 | 570.10 | 491.12 | 78.97 |
| 10 | 121.70 | 99.87 | 19.88 | 570.25 | 489.73 | 80.51 |
| 11 | 153.70 | 131.82 | 19.87 | 570.22 | 491.68 | 78.54 |
| 12 | 154.30 | 132.41 | 19.89 | 570.13 | 492.06 | 78.07 |
| 13 | 147.60 | 125.76 | 19.88 | 570.22 | 491.34 | 78.88 |
| 14 | 118.10 | 96.13 | 19.96 | 570.23 | 490.38 | 79.84 |
| 15 | 170.10 | 148.36 | 19.71 | 569.80 | 492.63 | 77.17 |
| 16 | 171.40 | 149.75 | 19.68 | 570.04 | 492.68 | 77.36 |
| 17 | 174.10 | 152.50 | 19.63 | 569.45 | 492.91 | 76.54 |
| 18 | 174.00 | 152.74 | 19.29 | 569.33 | 492.93 | 76.39 |
| 19 | 172.10 | 150.78 | 19.29 | 569.16 | 493.03 | 76.13 |
| 20 | 171.40 | 150.31 | 19.13 | 569.10 | 492.91 | 76.19 |
| 21 | 163.50 | 142.32 | 19.22 | 569.25 | 492.53 | 76.72 |
| 22 | 162.60 | 141.29 | 19.32 | 569.50 | 492.60 | 76.90 |
| 23 | 171.20 | 149.76 | 19.44 | 569.61 | 493.05 | 76.56 |
| 24 | 156.50 | 134.89 | 19.59 | 569.86 | 492.51 | 77.35 |
|
| AVG | 157.15 | 130.25 | 24.90 | 569.76 | 492.02 | 77.74 |
|
| MAX | 181.80 | 152.74 | 49.84 | 570.25 | 493.11 | 80.51 |
| MIN | 118.10 | 96.13 | 19.13 | 569.10 | 489.73 | 76.13 |