Rock Island Dam
Sunday December 21, 2025
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 145.60 | 141.20 | 4.40 | 612.59 | 573.43 | 39.16 |
| 2 | 142.30 | 142.30 | 0.00 | 612.26 | 573.49 | 38.77 |
| 3 | 142.30 | 142.30 | 0.00 | 612.17 | 573.41 | 38.76 |
| 4 | 142.60 | 142.60 | 0.00 | 611.80 | 573.53 | 38.27 |
| 5 | 142.30 | 142.30 | 0.00 | 611.59 | 573.46 | 38.13 |
| 6 | 140.00 | 140.00 | 0.00 | 612.25 | 573.19 | 39.06 |
| 7 | 158.40 | 139.00 | 19.40 | 612.31 | 574.13 | 38.18 |
| 8 | 173.40 | 138.50 | 34.90 | 612.79 | 574.40 | 38.39 |
| 9 | 177.00 | 136.80 | 40.20 | 612.86 | 574.26 | 38.60 |
| 10 | 183.10 | 135.10 | 48.00 | 612.74 | 574.81 | 37.93 |
| 11 | 183.90 | 133.80 | 50.10 | 612.63 | 574.87 | 37.76 |
| 12 | 171.00 | 130.70 | 40.30 | 612.73 | 573.87 | 38.86 |
| 13 | 131.30 | 126.20 | 5.10 | 612.58 | 573.19 | 39.39 |
| 14 | 101.40 | 101.40 | 0.00 | 612.60 | 571.08 | 41.52 |
| 15 | 74.00 | 74.00 | 0.00 | 612.05 | 571.46 | 40.59 |
| 16 | 93.00 | 93.00 | 0.00 | 611.28 | 572.53 | 38.75 |
| 17 | | | | | | |
| 18 | | | | | | |
| 19 | | | | | | |
| 20 | | | | | | |
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| 22 | | | | | | |
| 23 | | | | | | |
| 24 | | | | | | |
|
| AVG | 143.85 | 128.70 | 15.15 | 612.33 | 573.44 | 38.88 |
|
| MAX | 183.90 | 142.60 | 50.10 | 612.86 | 574.87 | 41.52 |
| MIN | 74.00 | 74.00 | 0.00 | 611.28 | 571.08 | 37.76 |