Priest Rapids Dam
Thursday May 21, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 155.90 | 128.85 | 26.16 | 486.16 | 412.89 | 73.27 |
| 2 | 156.50 | 129.84 | 25.71 | 486.03 | 412.97 | 73.06 |
| 3 | 150.40 | 124.00 | 25.52 | 486.03 | 412.54 | 73.49 |
| 4 | 152.20 | 125.60 | 25.70 | 486.11 | 412.71 | 73.40 |
| 5 | 157.70 | 130.82 | 25.88 | 486.14 | 413.09 | 73.05 |
| 6 | 155.00 | 128.12 | 25.98 | 486.24 | 412.74 | 73.50 |
| 7 | 149.20 | 121.90 | 26.38 | 486.37 | 412.40 | 73.98 |
| 8 | 148.50 | 120.95 | 26.57 | 486.36 | 412.40 | 73.96 |
| 9 | 146.70 | 119.09 | 26.62 | 486.39 | 412.30 | 74.09 |
| 10 | 146.50 | 118.70 | 26.83 | 486.47 | 412.30 | 74.17 |
| 11 | 147.30 | 119.22 | 27.09 | 486.57 | 412.27 | 74.30 |
| 12 | 150.40 | 121.71 | 27.64 | 486.79 | 412.66 | 74.13 |
| 13 | 157.40 | 128.35 | 28.00 | 486.81 | 413.20 | 73.61 |
| 14 | 167.00 | 138.25 | 27.68 | 486.61 | 413.63 | 72.98 |
| 15 | 166.90 | 138.90 | 26.95 | 486.38 | 413.60 | 72.78 |
| 16 | 167.00 | 139.71 | 26.27 | 486.15 | 413.77 | 72.39 |
| 17 | 169.30 | 142.68 | 25.54 | 485.93 | 413.99 | 71.94 |
| 18 | 170.20 | 144.39 | 24.83 | 485.62 | 414.06 | 71.56 |
| 19 | 165.40 | 140.28 | 24.15 | 485.40 | 413.83 | 71.57 |
| 20 | 160.50 | 135.78 | 23.72 | 485.36 | 412.96 | 72.40 |
| 21 | 147.20 | 122.27 | 23.97 | 485.56 | 412.50 | 73.06 |
| 22 | 147.10 | 121.84 | 24.38 | 485.61 | 412.49 | 73.12 |
| 23 | 149.50 | 124.19 | 24.41 | 485.64 | 412.54 | 73.10 |
| 24 | 150.70 | 125.13 | 24.63 | 485.74 | 412.62 | 73.12 |
|
| AVG | 155.60 | 128.77 | 25.86 | 486.10 | 412.94 | 73.17 |
|
| MAX | 170.20 | 144.39 | 28.00 | 486.81 | 414.06 | 74.30 |
| MIN | 146.50 | 118.70 | 23.72 | 485.36 | 412.27 | 71.56 |