Rock Island Dam & Reservoir
December 2022
| Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow kcfs | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | Midnight Reservoir Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet |
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| 1 | | | | 107.12 | 109.35 | 109.25 | 0.10 | 612.53 | 612.30 | 570.72 | 41.58 |
| 2 | | | | 117.79 | 118.22 | 117.00 | 1.22 | 611.58 | 611.66 | 571.66 | 40.00 |
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| TOT | | | | | | | | | | | |
| AVG | | | | 112.46 | 113.78 | 113.12 | 0.66 | 612.06 | 611.98 | 571.19 | 40.79 |
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| MAX | | | | 117.79 | 118.22 | 117.00 | 1.22 | 612.53 | 612.30 | 571.66 | 41.58 |
| MIN | | | | 107.12 | 109.35 | 109.25 | 0.10 | 611.58 | 611.66 | 570.72 | 40.00 |