Rock Island Dam
Friday September 18, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 35.80 | 35.80 | 0.00 | 612.18 | 567.42 | 44.76 |
| 2 | 29.70 | 29.70 | 0.00 | 611.79 | 567.40 | 44.39 |
| 3 | 14.30 | 14.30 | 0.00 | 611.88 | 566.85 | 45.03 |
| 4 | 10.70 | 10.70 | 0.00 | 612.02 | 567.20 | 44.82 |
| 5 | 11.10 | 11.10 | 0.00 | 612.32 | 567.37 | 44.95 |
| 6 | 18.30 | 18.30 | 0.00 | 612.34 | 566.81 | 45.53 |
| 7 | 37.10 | 37.10 | 0.00 | 612.46 | 567.53 | 44.93 |
| 8 | 56.50 | 56.50 | 0.00 | 612.29 | 567.70 | 44.59 |
| 9 | 54.60 | 54.60 | 0.00 | 612.19 | 567.20 | 44.99 |
| 10 | 53.00 | 53.10 | 0.00 | 612.01 | 567.23 | 44.78 |
| 11 | 38.70 | 38.80 | 0.00 | 611.96 | 567.07 | 44.89 |
| 12 | 39.50 | 39.50 | 0.00 | 612.14 | 567.02 | 45.12 |
| 13 | 48.80 | 48.80 | 0.00 | 612.09 | 567.86 | 44.23 |
| 14 | 57.00 | 57.00 | 0.00 | 612.23 | 567.75 | 44.48 |
| 15 | 58.50 | 58.50 | 0.00 | 612.06 | 567.58 | 44.48 |
| 16 | 55.60 | 55.60 | 0.00 | 612.02 | 567.20 | 44.82 |
| 17 | 39.90 | 39.80 | 0.00 | 611.52 | 567.26 | 44.26 |
| 18 | 52.00 | 52.10 | 0.00 | 611.53 | 567.23 | 44.30 |
| 19 | 70.40 | 70.40 | 0.00 | 612.04 | 568.37 | 43.67 |
| 20 | 69.10 | 69.10 | 0.00 | 612.47 | 567.35 | 45.12 |
| 21 | 71.70 | 71.70 | 0.00 | 612.51 | 568.13 | 44.38 |
| 22 | 89.30 | 89.30 | 0.00 | 612.49 | 568.73 | 43.76 |
| 23 | 85.00 | 85.00 | 0.00 | 612.56 | 567.91 | 44.65 |
| 24 | 65.80 | 65.80 | 0.00 | 612.49 | 567.66 | 44.83 |
|
| AVG | 48.43 | 48.44 | 0.00 | 612.15 | 567.49 | 44.66 |
|
| MAX | 89.30 | 89.30 | 0.00 | 612.56 | 568.73 | 45.53 |
| MIN | 10.70 | 10.70 | 0.00 | 611.52 | 566.81 | 43.67 |