Rock Island Dam
Saturday September 19, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 66.10 | 66.10 | 0.00 | 612.05 | 567.93 | 44.12 |
| 2 | 42.50 | 42.50 | 0.00 | 612.32 | 567.31 | 45.01 |
| 3 | 45.30 | 45.30 | 0.00 | 612.22 | 567.24 | 44.98 |
| 4 | 26.00 | 26.00 | 0.00 | 611.93 | 567.29 | 44.64 |
| 5 | 16.40 | 16.40 | 0.00 | 612.30 | 566.66 | 45.64 |
| 6 | 26.70 | 26.70 | 0.00 | 612.23 | 568.08 | 44.15 |
| 7 | 48.80 | 48.80 | 0.00 | 612.36 | 567.80 | 44.56 |
| 8 | 58.40 | 58.40 | 0.00 | 612.03 | 567.24 | 44.79 |
| 9 | 33.10 | 33.10 | 0.00 | 612.31 | 566.69 | 45.62 |
| 10 | 41.90 | 41.90 | 0.00 | 612.26 | 567.78 | 44.48 |
| 11 | 45.60 | 45.60 | 0.00 | 612.20 | 567.75 | 44.45 |
| 12 | 44.90 | 44.90 | 0.00 | 612.10 | 566.77 | 45.33 |
| 13 | 45.30 | 45.30 | 0.00 | 611.99 | 567.51 | 44.48 |
| 14 | 46.60 | 46.60 | 0.00 | 611.97 | 567.43 | 44.54 |
| 15 | 48.00 | 48.00 | 0.00 | 612.07 | 567.34 | 44.73 |
| 16 | 51.40 | 51.40 | 0.00 | 612.16 | 567.89 | 44.27 |
| 17 | 61.50 | 61.50 | 0.00 | 611.90 | 568.24 | 43.66 |
| 18 | 77.90 | 77.90 | 0.00 | 611.80 | 568.65 | 43.15 |
| 19 | 76.00 | 76.00 | 0.00 | 612.08 | 568.34 | 43.74 |
| 20 | 83.40 | 83.30 | 0.00 | 611.48 | 568.73 | 42.75 |
| 21 | 79.10 | 79.10 | 0.00 | 611.65 | 567.86 | 43.79 |
| 22 | 70.90 | 70.90 | 0.00 | 611.83 | 567.85 | 43.98 |
| 23 | 58.60 | 58.60 | 0.00 | 611.86 | 567.93 | 43.93 |
| 24 | 48.60 | 48.60 | 0.00 | 611.83 | 567.59 | 44.24 |
|
| AVG | 51.79 | 51.79 | 0.00 | 612.04 | 567.66 | 44.38 |
|
| MAX | 83.40 | 83.30 | 0.00 | 612.36 | 568.73 | 45.64 |
| MIN | 16.40 | 16.40 | 0.00 | 611.48 | 566.66 | 42.75 |