Rock Island Dam
Friday January 2, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 128.90 | 128.90 | 0.00 | 612.06 | 572.18 | 39.88 |
| 2 | 138.90 | 138.90 | 0.00 | 611.61 | 572.24 | 39.37 |
| 3 | 134.00 | 134.00 | 0.00 | 611.90 | 572.07 | 39.83 |
| 4 | 140.10 | 140.10 | 0.00 | 611.76 | 572.27 | 39.49 |
| 5 | 138.70 | 138.70 | 0.00 | 611.53 | 572.48 | 39.05 |
| 6 | 156.60 | 156.60 | 0.00 | 610.49 | 573.59 | 36.90 |
| 7 | 148.90 | 148.90 | 0.00 | 610.53 | 573.45 | 37.08 |
| 8 | 134.90 | 134.90 | 0.00 | 611.19 | 572.22 | 38.97 |
| 9 | 137.10 | 137.10 | 0.00 | 612.10 | 572.24 | 39.86 |
| 10 | 140.20 | 137.80 | 2.40 | 612.52 | 572.45 | 40.07 |
| 11 | 146.60 | 137.70 | 8.90 | 612.65 | 572.70 | 39.95 |
| 12 | 146.10 | 137.20 | 8.90 | 612.67 | 572.81 | 39.86 |
| 13 | 163.60 | 162.70 | 0.90 | 611.53 | 573.94 | 37.59 |
| 14 | 137.20 | 137.20 | 0.00 | 612.05 | 572.54 | 39.51 |
| 15 | 137.50 | 137.50 | 0.00 | 612.09 | 572.49 | 39.60 |
| 16 | 131.70 | 131.70 | 0.00 | 612.15 | 573.08 | 39.07 |
| 17 | 150.80 | 150.80 | 0.00 | 612.40 | 573.33 | 39.07 |
| 18 | 163.60 | 163.60 | 0.00 | 612.15 | 573.76 | 38.39 |
| 19 | 159.90 | 159.90 | 0.00 | 612.35 | 573.30 | 39.05 |
| 20 | 156.30 | 156.30 | 0.00 | 612.24 | 573.54 | 38.70 |
| 21 | 161.30 | 161.30 | 0.00 | 612.10 | 573.67 | 38.43 |
| 22 | 157.90 | 157.90 | 0.00 | 612.26 | 573.46 | 38.80 |
| 23 | 157.10 | 157.10 | 0.00 | 612.36 | 573.56 | 38.80 |
| 24 | 157.80 | 157.80 | 0.00 | 612.19 | 573.62 | 38.57 |
|
| AVG | 146.90 | 146.03 | 0.88 | 611.95 | 572.96 | 39.00 |
|
| MAX | 163.60 | 163.60 | 8.90 | 612.67 | 573.94 | 40.07 |
| MIN | 128.90 | 128.90 | 0.00 | 610.49 | 572.07 | 36.90 |