Rocky Reach Dam
Thursday June 4, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 190.80 | 169.40 | 16.60 | 706.19 | 622.42 | 83.77 |
| 2 | 188.20 | 166.70 | 16.50 | 706.02 | 622.30 | 83.72 |
| 3 | 184.40 | 162.90 | 16.50 | 705.94 | 622.07 | 83.87 |
| 4 | 170.50 | 149.00 | 16.50 | 705.86 | 621.42 | 84.44 |
| 5 | 168.40 | 146.90 | 16.50 | 706.06 | 621.00 | 85.06 |
| 6 | 175.30 | 153.80 | 16.50 | 706.14 | 621.61 | 84.53 |
| 7 | 172.90 | 157.30 | 15.20 | 706.07 | 621.42 | 84.65 |
| 8 | 162.60 | 152.30 | 10.00 | 706.33 | 620.83 | 85.50 |
| 9 | 179.00 | 168.80 | 9.90 | 706.13 | 621.51 | 84.62 |
| 10 | 168.00 | 157.80 | 9.90 | 706.22 | 621.21 | 85.01 |
| 11 | 161.30 | 151.10 | 9.90 | 706.41 | 620.96 | 85.45 |
| 12 | 181.60 | 171.40 | 9.90 | 706.51 | 621.78 | 84.73 |
| 13 | 181.60 | 171.40 | 9.90 | 706.36 | 622.17 | 84.19 |
| 14 | 177.90 | 167.70 | 9.90 | 706.29 | 621.58 | 84.71 |
| 15 | 174.00 | 163.80 | 9.90 | 706.39 | 621.26 | 85.13 |
| 16 | 177.70 | 167.50 | 9.90 | 706.29 | 621.52 | 84.77 |
| 17 | 177.90 | 167.60 | 9.90 | 706.31 | 621.53 | 84.78 |
| 18 | 182.40 | 166.70 | 15.30 | 706.05 | 622.54 | 83.51 |
| 19 | 198.20 | 182.60 | 15.30 | 705.70 | 622.86 | 82.84 |
| 20 | 189.30 | 173.80 | 15.20 | 705.58 | 622.46 | 83.12 |
| 21 | 198.60 | 177.50 | 20.80 | 705.33 | 622.78 | 82.55 |
| 22 | 201.00 | 179.60 | 21.10 | 705.15 | 622.87 | 82.28 |
| 23 | 194.60 | 173.20 | 21.10 | 704.98 | 622.73 | 82.25 |
| 24 | 185.50 | 164.20 | 21.00 | 704.92 | 622.15 | 82.77 |
|
| AVG | 180.90 | 165.12 | 14.30 | 705.97 | 621.87 | 84.09 |
|
| MAX | 201.00 | 182.60 | 21.10 | 706.51 | 622.87 | 85.50 |
| MIN | 161.30 | 146.90 | 9.90 | 704.92 | 620.83 | 82.25 |