Rock Island Dam
Thursday September 17, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 44.80 | 44.80 | 0.00 | 612.29 | 567.66 | 44.63 |
| 2 | 30.90 | 30.90 | 0.00 | 612.08 | 567.70 | 44.38 |
| 3 | 30.10 | 30.10 | 0.00 | 612.06 | 567.51 | 44.55 |
| 4 | 22.40 | 22.40 | 0.00 | 611.92 | 567.39 | 44.53 |
| 5 | 21.90 | 21.90 | 0.00 | 611.92 | 567.32 | 44.60 |
| 6 | 24.20 | 24.20 | 0.00 | 611.66 | 567.56 | 44.10 |
| 7 | 37.10 | 37.10 | 0.00 | 611.79 | 567.15 | 44.64 |
| 8 | 39.70 | 39.70 | 0.00 | 612.20 | 566.89 | 45.31 |
| 9 | 36.00 | 36.00 | 0.00 | 612.38 | 566.86 | 45.52 |
| 10 | 48.90 | 48.90 | 0.00 | 611.99 | 567.89 | 44.10 |
| 11 | 59.20 | 59.20 | 0.00 | 611.67 | 567.64 | 44.03 |
| 12 | 59.20 | 59.20 | 0.00 | 611.71 | 567.45 | 44.26 |
| 13 | 60.10 | 60.10 | 0.00 | 611.54 | 568.08 | 43.46 |
| 14 | 55.10 | 55.10 | 0.00 | 611.64 | 567.75 | 43.89 |
| 15 | 53.70 | 53.70 | 0.00 | 611.56 | 567.53 | 44.03 |
| 16 | 47.30 | 47.30 | 0.00 | 611.56 | 567.40 | 44.16 |
| 17 | 30.00 | 30.00 | 0.00 | 612.03 | 566.80 | 45.23 |
| 18 | 57.80 | 57.80 | 0.00 | 611.81 | 567.78 | 44.03 |
| 19 | 80.70 | 80.70 | 0.00 | 612.17 | 569.38 | 42.79 |
| 20 | 103.10 | 103.10 | 0.00 | 612.14 | 568.92 | 43.22 |
| 21 | 95.90 | 95.90 | 0.00 | 612.29 | 568.65 | 43.64 |
| 22 | 91.20 | 91.20 | 0.00 | 612.24 | 568.99 | 43.25 |
| 23 | 89.70 | 89.70 | 0.00 | 612.26 | 568.34 | 43.92 |
| 24 | 52.80 | 52.80 | 0.00 | 612.17 | 567.48 | 44.69 |
|
| AVG | 52.99 | 52.99 | 0.00 | 611.96 | 567.75 | 44.21 |
|
| MAX | 103.10 | 103.10 | 0.00 | 612.38 | 569.38 | 45.52 |
| MIN | 21.90 | 21.90 | 0.00 | 611.54 | 566.80 | 42.79 |