Rock Island Dam
Friday June 5, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 197.70 | 146.70 | 51.00 | 612.45 | 574.76 | 37.69 |
| 2 | 183.90 | 142.50 | 41.40 | 612.57 | 574.56 | 38.01 |
| 3 | 186.10 | 145.00 | 41.10 | 612.08 | 574.73 | 37.35 |
| 4 | 183.10 | 143.10 | 40.00 | 611.81 | 573.87 | 37.94 |
| 5 | 169.00 | 128.90 | 40.10 | 611.97 | 573.92 | 38.05 |
| 6 | 174.10 | 133.60 | 40.50 | 611.67 | 574.10 | 37.57 |
| 7 | 183.90 | 144.20 | 39.70 | 610.77 | 574.29 | 36.48 |
| 8 | 175.70 | 136.70 | 39.00 | 610.84 | 573.56 | 37.28 |
| 9 | 160.90 | 121.30 | 39.60 | 611.03 | 573.26 | 37.77 |
| 10 | 144.80 | 118.40 | 26.40 | 611.14 | 572.87 | 38.27 |
| 11 | 131.50 | 105.70 | 25.80 | 611.02 | 571.45 | 39.57 |
| 12 | 80.00 | 53.20 | 26.80 | 611.80 | 570.62 | 41.18 |
| 13 | 121.80 | 95.00 | 26.80 | 611.55 | 571.88 | 39.67 |
| 14 | 134.80 | 108.10 | 26.70 | 611.70 | 572.43 | 39.27 |
| 15 | 145.80 | 118.80 | 27.00 | 611.87 | 572.26 | 39.61 |
| 16 | 140.00 | 112.50 | 27.50 | 612.35 | 572.10 | 40.25 |
| 17 | | | | | | |
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| AVG | 157.07 | 122.11 | 34.96 | 611.66 | 573.17 | 38.50 |
|
| MAX | 197.70 | 146.70 | 51.00 | 612.57 | 574.76 | 41.18 |
| MIN | 80.00 | 53.20 | 25.80 | 610.77 | 570.62 | 36.48 |