Rock Island Dam
Wednesday January 28, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 142.60 | 142.60 | 0.00 | 612.08 | 572.51 | 39.57 |
| 2 | 140.00 | 140.00 | 0.00 | 611.57 | 572.13 | 39.44 |
| 3 | 129.30 | 129.30 | 0.00 | 611.88 | 571.27 | 40.61 |
| 4 | 114.70 | 114.70 | 0.00 | 612.35 | 571.18 | 41.17 |
| 5 | 128.40 | 128.40 | 0.00 | 612.26 | 571.03 | 41.23 |
| 6 | 134.60 | 134.60 | 0.00 | 611.88 | 572.43 | 39.45 |
| 7 | 164.20 | 164.20 | 0.00 | 611.79 | 572.57 | 39.22 |
| 8 | 164.80 | 164.80 | 0.00 | 611.96 | 572.99 | 38.97 |
| 9 | 170.50 | 170.50 | 0.00 | 611.87 | 572.94 | 38.93 |
| 10 | 162.90 | 162.90 | 0.00 | 611.92 | 572.59 | 39.33 |
| 11 | 155.50 | 155.50 | 0.00 | 611.75 | 572.05 | 39.70 |
| 12 | 141.30 | 141.30 | 0.00 | 611.82 | 572.10 | 39.72 |
| 13 | 138.20 | 138.20 | 0.00 | 611.82 | 571.56 | 40.26 |
| 14 | 125.70 | 125.70 | 0.00 | 611.74 | 571.11 | 40.63 |
| 15 | 108.70 | 108.70 | 0.00 | 611.87 | 570.35 | 41.52 |
| 16 | 94.50 | 94.50 | 0.00 | 611.59 | 569.67 | 41.92 |
| 17 | 86.70 | 86.70 | 0.00 | 611.39 | 569.70 | 41.69 |
| 18 | 95.00 | 95.00 | 0.00 | 611.68 | 569.73 | 41.95 |
| 19 | 110.30 | 110.30 | 0.00 | 612.26 | 570.59 | 41.67 |
| 20 | | | | | | |
| 21 | | | | | | |
| 22 | | | | | | |
| 23 | | | | | | |
| 24 | | | | | | |
|
| AVG | 131.99 | 131.99 | 0.00 | 611.87 | 571.50 | 40.37 |
|
| MAX | 170.50 | 170.50 | 0.00 | 612.35 | 572.99 | 41.95 |
| MIN | 86.70 | 86.70 | 0.00 | 611.39 | 569.67 | 38.93 |