Rock Island Dam
Wednesday March 4, 2026
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Forebay Elevation | Tailwater Elevation | Average Head |
| 1 | 102.90 | 102.90 | 0.00 | 611.86 | 569.84 | 42.02 |
| 2 | 98.70 | 98.70 | 0.00 | 611.81 | 569.69 | 42.12 |
| 3 | 100.70 | 100.70 | 0.00 | 611.92 | 569.81 | 42.11 |
| 4 | 103.40 | 103.40 | 0.00 | 612.14 | 569.77 | 42.37 |
| 5 | 104.70 | 104.70 | 0.00 | 612.10 | 569.78 | 42.32 |
| 6 | 140.00 | 140.00 | 0.00 | 611.04 | 571.27 | 39.77 |
| 7 | 146.20 | 146.20 | 0.00 | 611.09 | 571.62 | 39.47 |
| 8 | 159.30 | 159.30 | 0.00 | 611.26 | 571.86 | 39.40 |
| 9 | 150.00 | 150.00 | 0.00 | 611.64 | 571.65 | 39.99 |
| 10 | 132.80 | 132.80 | 0.00 | 611.95 | 570.40 | 41.55 |
| 11 | 115.50 | 115.30 | 0.20 | 611.78 | 570.38 | 41.40 |
| 12 | 102.90 | 102.90 | 0.00 | 611.81 | 570.24 | 41.57 |
| 13 | 95.10 | 95.10 | 0.00 | 611.56 | 569.86 | 41.70 |
| 14 | 91.30 | 91.30 | 0.00 | 611.38 | 570.27 | 41.11 |
| 15 | 86.70 | 86.70 | 0.00 | 611.34 | 570.11 | 41.23 |
| 16 | 88.60 | 88.60 | 0.00 | 611.09 | 571.10 | 39.99 |
| 17 | 109.70 | 109.70 | 0.00 | 611.48 | 572.00 | 39.48 |
| 18 | 114.60 | 114.60 | 0.00 | 611.68 | 571.42 | 40.26 |
| 19 | 119.30 | 119.30 | 0.00 | 611.54 | 572.51 | 39.03 |
| 20 | 146.80 | 146.80 | 0.00 | 611.60 | 571.92 | 39.68 |
| 21 | 122.10 | 122.10 | 0.00 | 611.72 | 571.15 | 40.57 |
| 22 | 118.70 | 118.70 | 0.00 | 611.66 | 571.00 | 40.66 |
| 23 | 121.00 | 121.00 | 0.00 | 611.63 | 571.35 | 40.28 |
| 24 | 131.10 | 131.10 | 0.00 | 611.62 | 571.27 | 40.35 |
|
| AVG | 116.75 | 116.75 | 0.01 | 611.61 | 570.84 | 40.77 |
|
| MAX | 159.30 | 159.30 | 0.20 | 612.14 | 572.51 | 42.37 |
| MIN | 86.70 | 86.70 | 0.00 | 611.04 | 569.69 | 39.03 |