Wanapum Dam
Sunday March 22, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 173.00 | 162.67 | 8.93 | 570.43 | 493.42 | 77.01 |
| 2 | 160.30 | 158.89 | 0.00 | 570.48 | 493.05 | 77.43 |
| 3 | 166.50 | 165.15 | 0.00 | 570.30 | 493.30 | 77.00 |
| 4 | 158.90 | 157.49 | 0.00 | 570.58 | 493.09 | 77.49 |
| 5 | 170.10 | 168.65 | 0.00 | 570.65 | 493.40 | 77.25 |
| 6 | 165.70 | 164.30 | 0.00 | 570.72 | 493.25 | 77.47 |
| 7 | 169.30 | 167.86 | 0.00 | 570.80 | 493.51 | 77.28 |
| 8 | 170.30 | 168.86 | 0.00 | 570.74 | 493.21 | 77.53 |
| 9 | 158.60 | 157.16 | 0.00 | 570.76 | 493.21 | 77.55 |
| 10 | 167.50 | 166.14 | 0.00 | 570.91 | 493.17 | 77.74 |
| 11 | 158.00 | 156.63 | 0.00 | 570.90 | 492.90 | 78.00 |
| 12 | 156.70 | 155.26 | 0.00 | 570.88 | 493.05 | 77.83 |
| 13 | 172.20 | 170.79 | 0.00 | 570.85 | 493.43 | 77.42 |
| 14 | 159.20 | 157.84 | 0.00 | 570.93 | 493.12 | 77.82 |
| 15 | 152.00 | 150.57 | 0.00 | 570.70 | 492.68 | 78.02 |
| 16 | 157.90 | 156.46 | 0.00 | 570.48 | 492.70 | 77.78 |
| 17 | 167.90 | 166.48 | 0.00 | 570.40 | 493.34 | 77.06 |
| 18 | 168.60 | 167.25 | 0.00 | 569.87 | 493.30 | 76.56 |
| 19 | 166.30 | 164.87 | 0.00 | 570.11 | 493.27 | 76.84 |
| 20 | 163.50 | 162.10 | 0.00 | 569.96 | 493.07 | 76.90 |
| 21 | 162.40 | 161.04 | 0.00 | 569.83 | 493.01 | 76.82 |
| 22 | 167.00 | 165.61 | 0.00 | 569.91 | 493.15 | 76.76 |
| 23 | 169.40 | 168.00 | 0.00 | 569.76 | 493.15 | 76.61 |
| 24 | 167.60 | 166.21 | 0.00 | 569.62 | 493.05 | 76.56 |
|
| AVG | 164.54 | 162.76 | 0.37 | 570.44 | 493.16 | 77.28 |
|
| MAX | 173.00 | 170.79 | 8.93 | 570.93 | 493.51 | 78.02 |
| MIN | 152.00 | 150.57 | 0.00 | 569.62 | 492.68 | 76.56 |