Rock Island Dam
Thursday January 8, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 165.80 | 165.80 | 0.00 | 611.96 | 574.26 | 37.70 |
| 2 | 146.60 | 146.60 | 0.00 | 611.96 | 574.03 | 37.93 |
| 3 | 155.90 | 155.90 | 0.00 | 611.88 | 573.92 | 37.96 |
| 4 | 144.30 | 144.30 | 0.00 | 611.94 | 574.11 | 37.83 |
| 5 | 149.40 | 149.40 | 0.00 | 611.82 | 574.38 | 37.44 |
| 6 | 158.80 | 158.80 | 0.00 | 611.72 | 574.78 | 36.94 |
| 7 | 170.50 | 170.50 | 0.00 | 611.72 | 574.97 | 36.75 |
| 8 | 172.30 | 172.30 | 0.00 | 611.74 | 575.13 | 36.61 |
| 9 | 169.40 | 169.40 | 0.00 | 612.04 | 574.67 | 37.37 |
| 10 | 161.30 | 161.30 | 0.00 | 612.05 | 574.40 | 37.65 |
| 11 | 154.00 | 154.00 | 0.00 | 612.11 | 574.10 | 38.01 |
| 12 | 143.70 | 143.70 | 0.00 | 612.15 | 573.76 | 38.39 |
| 13 | 147.70 | 147.70 | 0.00 | 612.07 | 573.92 | 38.15 |
| 14 | 150.40 | 150.40 | 0.00 | 611.99 | 574.29 | 37.70 |
| 15 | 149.90 | 149.90 | 0.00 | 612.01 | 574.00 | 38.01 |
| 16 | 157.00 | 157.00 | 0.00 | 611.41 | 574.70 | 36.71 |
| 17 | 170.60 | 170.60 | 0.00 | 611.23 | 574.92 | 36.31 |
| 18 | 169.50 | 169.50 | 0.00 | 611.62 | 574.79 | 36.83 |
| 19 | 170.20 | 170.20 | 0.00 | 611.89 | 574.75 | 37.14 |
| 20 | 170.50 | 170.50 | 0.00 | 612.12 | 574.81 | 37.31 |
| 21 | 170.30 | 170.30 | 0.00 | 612.31 | 574.79 | 37.52 |
| 22 | 170.40 | 170.40 | 0.00 | 612.27 | 574.73 | 37.54 |
| 23 | 170.80 | 170.80 | 0.00 | 612.20 | 574.83 | 37.37 |
| 24 | 168.10 | 168.10 | 0.00 | 612.31 | 574.10 | 38.21 |
|
| AVG | 160.72 | 160.72 | 0.00 | 611.94 | 574.46 | 37.47 |
|
| MAX | 172.30 | 172.30 | 0.00 | 612.31 | 575.13 | 38.39 |
| MIN | 143.70 | 143.70 | 0.00 | 611.23 | 573.76 | 36.31 |