Rock Island Dam
Saturday May 23, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 122.80 | 107.20 | 15.60 | 611.84 | 572.38 | 39.46 |
| 2 | 128.80 | 113.00 | 15.80 | 612.04 | 572.86 | 39.18 |
| 3 | 139.60 | 123.50 | 16.10 | 612.31 | 572.80 | 39.51 |
| 4 | 142.30 | 126.30 | 16.00 | 612.29 | 572.57 | 39.72 |
| 5 | 133.10 | 120.70 | 12.40 | 612.23 | 572.34 | 39.89 |
| 6 | 124.40 | 112.00 | 12.40 | 612.37 | 572.07 | 40.30 |
| 7 | 114.40 | 99.40 | 15.00 | 612.64 | 571.91 | 40.73 |
| 8 | 133.50 | 122.10 | 11.40 | 612.21 | 573.00 | 39.21 |
| 9 | 130.70 | 123.80 | 6.90 | 612.37 | 572.53 | 39.84 |
| 10 | 143.40 | 136.50 | 6.90 | 612.40 | 572.64 | 39.76 |
| 11 | 136.10 | 129.10 | 7.00 | 612.35 | 572.51 | 39.84 |
| 12 | 114.00 | 106.90 | 7.10 | 612.13 | 572.11 | 40.02 |
| 13 | 115.50 | 103.40 | 12.10 | 612.07 | 572.22 | 39.85 |
| 14 | | | | | | |
| 15 | | | | | | |
| 16 | | | | | | |
| 17 | | | | | | |
| 18 | | | | | | |
| 19 | | | | | | |
| 20 | | | | | | |
| 21 | | | | | | |
| 22 | | | | | | |
| 23 | | | | | | |
| 24 | | | | | | |
|
| AVG | 129.12 | 117.22 | 11.90 | 612.25 | 572.46 | 39.79 |
|
| MAX | 143.40 | 136.50 | 16.10 | 612.64 | 573.00 | 40.73 |
| MIN | 114.00 | 99.40 | 6.90 | 611.84 | 571.91 | 39.18 |