Cougar Dam
December 2025
| Day of Month | Total Generation MWh | Average Generation MW | Station Use MWh | Inflow cfs | Total Outflow cfs | Generation Flow cfs | Spill cfs | Midnight Reservoir Elevation | Average Forebay Elevation | Average Tailwater Elevation | Average Head feet | Midnight Storage kaf |
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| 1 | | | | 289 | 320 | | | 1502.73 | 1502.82 | 1250.84 | 251.98 | 36991.60 |
| 2 | | | | 275 | 320 | | | 1502.53 | 1502.63 | 1250.83 | 251.80 | 36911.49 |
| 3 | | | | 267 | 310 | | | 1502.28 | 1502.41 | 1250.87 | 251.54 | 36811.59 |
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| TOT | | | | | | | | | | | | |
| AVG | | | | 277 | 317 | | | 1502.51 | 1502.62 | 1250.85 | 251.77 | 36904.89 |
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| MAX | | | | 289 | 320 | | | 1502.73 | 1502.82 | 1250.87 | 251.98 | 36991.60 |
| MIN | | | | 267 | 310 | | | 1502.28 | 1502.41 | 1250.83 | 251.54 | 36811.59 |