Rock Island Dam
Sunday January 25, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 150.30 | 150.30 | 0.00 | 611.96 | 574.64 | 37.32 |
| 2 | 152.50 | 152.50 | 0.00 | 611.79 | 573.84 | 37.95 |
| 3 | 144.70 | 144.70 | 0.00 | 611.47 | 574.03 | 37.44 |
| 4 | 159.30 | 159.30 | 0.00 | 611.41 | 574.75 | 36.66 |
| 5 | 169.50 | 169.50 | 0.00 | 611.52 | 574.81 | 36.71 |
| 6 | 168.10 | 168.10 | 0.00 | 611.28 | 574.76 | 36.52 |
| 7 | 170.10 | 170.10 | 0.00 | 611.53 | 574.81 | 36.72 |
| 8 | 168.30 | 168.30 | 0.00 | 612.42 | 574.56 | 37.86 |
| 9 | 168.70 | 168.70 | 0.00 | 612.31 | 574.75 | 37.56 |
| 10 | 157.80 | 157.80 | 0.00 | 612.19 | 574.08 | 38.11 |
| 11 | 152.90 | 152.90 | 0.00 | 611.85 | 574.26 | 37.59 |
| 12 | 152.00 | 152.00 | 0.00 | 611.84 | 573.62 | 38.22 |
| 13 | 123.20 | 123.20 | 0.00 | 611.98 | 572.73 | 39.25 |
| 14 | 126.80 | 126.80 | 0.00 | 611.83 | 573.02 | 38.81 |
| 15 | 125.90 | 125.90 | 0.00 | 612.38 | 573.02 | 39.36 |
| 16 | 132.20 | 132.20 | 0.00 | 612.37 | 573.89 | 38.48 |
| 17 | 132.60 | 112.30 | 20.30 | 612.26 | 573.26 | 39.00 |
| 18 | 153.30 | 151.10 | 2.20 | 612.30 | 574.32 | 37.98 |
| 19 | 170.00 | 170.00 | 0.00 | 612.28 | 574.84 | 37.44 |
| 20 | 173.40 | 173.40 | 0.00 | 612.25 | 575.03 | 37.22 |
| 21 | 173.00 | 173.00 | 0.00 | 612.40 | 575.02 | 37.38 |
| 22 | 173.00 | 173.00 | 0.00 | 612.41 | 575.18 | 37.23 |
| 23 | 169.00 | 169.00 | 0.00 | 612.45 | 574.57 | 37.88 |
| 24 | 163.20 | 163.20 | 0.00 | 612.34 | 574.40 | 37.94 |
|
| AVG | 155.41 | 154.47 | 0.94 | 612.03 | 574.26 | 37.78 |
|
| MAX | 173.40 | 173.40 | 20.30 | 612.45 | 575.18 | 39.36 |
| MIN | 123.20 | 112.30 | 0.00 | 611.28 | 572.73 | 36.52 |