Wanapum Dam
Sunday February 1, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 158.60 | 157.21 | 0.00 | 570.55 | 493.63 | 76.92 |
| 2 | 142.20 | 140.79 | 0.00 | 570.64 | 492.83 | 77.81 |
| 3 | 172.40 | 171.04 | 0.00 | 570.07 | 494.10 | 75.97 |
| 4 | 176.20 | 174.78 | 0.00 | 569.79 | 494.11 | 75.68 |
| 5 | 168.30 | 166.94 | 0.00 | 569.71 | 493.88 | 75.82 |
| 6 | 172.40 | 171.04 | 0.00 | 569.35 | 494.28 | 75.07 |
| 7 | 176.70 | 175.26 | 0.00 | 569.47 | 494.23 | 75.25 |
| 8 | 134.70 | 133.29 | 0.00 | 569.72 | 491.86 | 77.86 |
| 9 | 112.40 | 110.97 | 0.00 | 569.64 | 490.97 | 78.66 |
| 10 | 106.10 | 104.69 | 0.00 | 569.88 | 490.78 | 79.10 |
| 11 | 100.80 | 99.39 | 0.00 | 570.04 | 490.21 | 79.82 |
| 12 | 86.00 | 84.62 | 0.00 | 569.97 | 489.63 | 80.34 |
| 13 | 93.40 | 92.04 | 0.00 | 570.11 | 489.72 | 80.39 |
| 14 | 70.80 | 69.40 | 0.00 | 570.38 | 488.06 | 82.32 |
| 15 | 73.60 | 72.20 | 0.00 | 570.05 | 488.59 | 81.46 |
| 16 | 59.10 | 57.74 | 0.00 | 570.02 | 488.72 | 81.30 |
| 17 | 117.70 | 116.28 | 0.00 | 569.78 | 491.17 | 78.62 |
| 18 | 167.70 | 166.26 | 0.00 | 569.39 | 492.93 | 76.46 |
| 19 | 151.70 | 150.30 | 0.00 | 569.10 | 492.38 | 76.72 |
| 20 | 135.50 | 134.10 | 0.00 | 568.82 | 491.78 | 77.04 |
| 21 | 131.30 | 129.88 | 0.00 | 568.58 | 491.68 | 76.90 |
| 22 | 127.20 | 125.79 | 0.00 | 568.82 | 491.52 | 77.30 |
| 23 | 132.40 | 130.96 | 0.00 | 568.83 | 491.60 | 77.23 |
| 24 | 136.20 | 134.75 | 0.00 | 569.03 | 491.53 | 77.50 |
|
| AVG | 129.31 | 127.91 | 0.00 | 569.66 | 491.67 | 77.98 |
|
| MAX | 176.70 | 175.26 | 0.00 | 570.64 | 494.28 | 82.32 |
| MIN | 59.10 | 57.74 | 0.00 | 568.58 | 488.06 | 75.07 |