Rock Island Dam
Tuesday January 27, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
|---|
| 1 | 138.40 | 138.40 | 0.00 | 612.83 | 572.30 | 40.53 |
| 2 | 136.90 | 136.90 | 0.00 | 612.87 | 572.30 | 40.57 |
| 3 | 136.90 | 136.90 | 0.00 | 612.83 | 572.13 | 40.70 |
| 4 | 149.50 | 140.90 | 8.60 | 612.08 | 572.65 | 39.43 |
| 5 | 152.40 | 144.30 | 8.10 | 611.64 | 572.72 | 38.92 |
| 6 | 160.80 | 148.80 | 12.00 | 611.28 | 572.91 | 38.37 |
| 7 | 174.20 | 152.10 | 22.10 | 610.79 | 574.02 | 36.77 |
| 8 | 207.30 | 156.40 | 50.90 | 609.96 | 575.00 | 34.96 |
| 9 | 198.40 | 150.00 | 48.40 | 609.67 | 574.19 | 35.48 |
| 10 | 136.00 | 117.80 | 18.20 | 611.28 | 570.38 | 40.90 |
| 11 | 102.00 | 102.00 | 0.00 | 612.04 | 571.05 | 40.99 |
| 12 | 118.20 | 118.20 | 0.00 | 612.32 | 572.13 | 40.19 |
| 13 | 139.00 | 139.00 | 0.00 | 612.38 | 571.76 | 40.62 |
| 14 | 135.90 | 135.90 | 0.00 | 612.49 | 572.00 | 40.49 |
| 15 | 144.30 | 144.30 | 0.00 | 611.94 | 571.97 | 39.97 |
| 16 | 119.30 | 119.30 | 0.00 | 612.17 | 571.49 | 40.68 |
| 17 | 161.30 | 161.30 | 0.00 | 611.33 | 573.37 | 37.96 |
| 18 | 160.10 | 160.10 | 0.00 | 611.85 | 573.05 | 38.80 |
| 19 | 152.40 | 152.40 | 0.00 | 612.48 | 572.45 | 40.03 |
| 20 | 166.70 | 166.70 | 0.00 | 612.26 | 573.37 | 38.89 |
| 21 | 156.30 | 156.30 | 0.00 | 612.35 | 572.87 | 39.48 |
| 22 | 160.90 | 160.90 | 0.00 | 612.32 | 572.99 | 39.33 |
| 23 | 154.60 | 154.60 | 0.00 | 612.21 | 572.83 | 39.38 |
| 24 | 151.80 | 151.80 | 0.00 | 612.12 | 572.73 | 39.39 |
|
| AVG | 150.57 | 143.55 | 7.01 | 611.90 | 572.61 | 39.28 |
|
| MAX | 207.30 | 166.70 | 50.90 | 612.87 | 575.00 | 40.99 |
| MIN | 102.00 | 102.00 | 0.00 | 609.67 | 570.38 | 34.96 |