Rock Island Dam
Friday January 23, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 127.30 | 127.30 | 0.00 | 611.93 | 573.10 | 38.83 |
| 2 | 135.20 | 135.20 | 0.00 | 611.91 | 572.97 | 38.94 |
| 3 | 129.20 | 129.20 | 0.00 | 611.81 | 572.68 | 39.13 |
| 4 | 127.20 | 127.20 | 0.00 | 611.61 | 572.38 | 39.23 |
| 5 | 125.50 | 125.50 | 0.00 | 611.56 | 572.48 | 39.08 |
| 6 | 133.70 | 133.70 | 0.00 | 611.63 | 572.64 | 38.99 |
| 7 | 167.70 | 167.70 | 0.00 | 610.66 | 574.19 | 36.47 |
| 8 | 168.60 | 168.60 | 0.00 | 611.33 | 574.05 | 37.28 |
| 9 | 157.80 | 157.80 | 0.00 | 612.11 | 573.26 | 38.85 |
| 10 | 152.90 | 152.90 | 0.00 | 611.90 | 573.89 | 38.01 |
| 11 | 153.70 | 153.70 | 0.00 | 611.58 | 573.30 | 38.28 |
| 12 | 136.40 | 136.40 | 0.00 | 612.10 | 572.76 | 39.34 |
| 13 | 136.50 | 136.50 | 0.00 | 612.27 | 573.11 | 39.16 |
| 14 | 141.40 | 141.40 | 0.00 | 612.25 | 573.22 | 39.03 |
| 15 | 136.60 | 136.60 | 0.00 | 612.29 | 572.67 | 39.62 |
| 16 | 130.50 | 130.50 | 0.00 | 611.66 | 572.89 | 38.77 |
| 17 | 134.40 | 134.40 | 0.00 | 611.10 | 573.29 | 37.81 |
| 18 | 150.80 | 150.80 | 0.00 | 610.87 | 573.73 | 37.14 |
| 19 | 140.50 | 140.50 | 0.00 | 611.75 | 573.11 | 38.64 |
| 20 | 143.40 | 143.40 | 0.00 | 611.85 | 573.80 | 38.05 |
| 21 | 165.70 | 165.70 | 0.00 | 611.34 | 574.21 | 37.13 |
| 22 | 162.50 | 162.50 | 0.00 | 611.36 | 574.05 | 37.31 |
| 23 | 163.70 | 163.70 | 0.00 | 611.20 | 573.95 | 37.25 |
| 24 | 156.90 | 156.90 | 0.00 | 612.02 | 573.81 | 38.21 |
|
| AVG | 144.92 | 144.92 | 0.00 | 611.67 | 573.31 | 38.36 |
|
| MAX | 168.60 | 168.60 | 0.00 | 612.29 | 574.21 | 39.62 |
| MIN | 125.50 | 125.50 | 0.00 | 610.66 | 572.38 | 36.47 |