Rock Island Dam
Tuesday January 6, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 150.60 | 150.60 | 0.00 | 611.54 | 572.64 | 38.90 |
| 2 | 118.60 | 118.60 | 0.00 | 612.27 | 571.53 | 40.74 |
| 3 | 122.40 | 122.40 | 0.00 | 612.13 | 571.64 | 40.49 |
| 4 | 122.90 | 122.90 | 0.00 | 612.05 | 572.13 | 39.92 |
| 5 | 139.90 | 139.90 | 0.00 | 611.44 | 572.76 | 38.68 |
| 6 | 153.20 | 153.20 | 0.00 | 611.33 | 573.45 | 37.88 |
| 7 | 162.10 | 162.10 | 0.00 | 611.43 | 573.41 | 38.02 |
| 8 | 158.60 | 158.60 | 0.00 | 611.82 | 573.08 | 38.74 |
| 9 | 155.20 | 155.20 | 0.00 | 612.20 | 572.89 | 39.31 |
| 10 | 155.80 | 155.80 | 0.00 | 612.30 | 572.89 | 39.41 |
| 11 | 155.60 | 155.60 | 0.00 | 612.24 | 573.11 | 39.13 |
| 12 | 160.40 | 160.40 | 0.00 | 611.97 | 573.33 | 38.64 |
| 13 | 161.50 | 161.50 | 0.00 | 611.41 | 573.60 | 37.81 |
| 14 | 141.60 | 141.60 | 0.00 | 611.71 | 572.94 | 38.77 |
| 15 | 147.60 | 147.60 | 0.00 | 611.61 | 573.89 | 37.72 |
| 16 | 162.20 | 162.20 | 0.00 | 611.88 | 574.10 | 37.78 |
| 17 | 166.80 | 166.80 | 0.00 | 612.06 | 574.43 | 37.63 |
| 18 | 168.80 | 168.80 | 0.00 | 612.26 | 574.30 | 37.96 |
| 19 | 166.70 | 166.70 | 0.00 | 612.67 | 574.24 | 38.43 |
| 20 | 169.80 | 169.80 | 0.00 | 612.67 | 574.64 | 38.03 |
| 21 | 170.80 | 170.80 | 0.00 | 612.47 | 574.68 | 37.79 |
| 22 | 170.00 | 170.00 | 0.00 | 612.32 | 574.75 | 37.57 |
| 23 | 164.50 | 164.50 | 0.00 | 612.52 | 574.29 | 38.23 |
| 24 | 161.40 | 161.40 | 0.00 | 612.62 | 574.56 | 38.06 |
|
| AVG | 154.46 | 154.46 | 0.00 | 612.04 | 573.47 | 38.57 |
|
| MAX | 170.80 | 170.80 | 0.00 | 612.67 | 574.75 | 40.74 |
| MIN | 118.60 | 118.60 | 0.00 | 611.33 | 571.53 | 37.57 |