Hills Creek Dam & Lake
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 |
| 1 | 122 | 5 | 1 | 327 | 440 | 370 | 70 | 1444.81 | 1444.89 | 1223.72 | 221.17 | 150614.99 |
| 2 | 179 | 7 | 5 | 317 | 630 | 500 | 140 | 1444.41 | 1444.67 | 1224.18 | 220.49 | 150014.99 |
| 3 | 265 | 11 | 1 | 336 | 830 | 700 | 130 | 1443.75 | 1444.07 | 1225.04 | 219.03 | 149024.98 |
| 4 | 260 | 11 | 0 | 336 | 820 | 690 | 130 | 1443.10 | 1443.42 | 1225.00 | 218.42 | 148050.00 |
| 5 | 261 | 11 | 2 | 379 | 830 | 700 | 140 | 1442.59 | 1442.81 | 1225.19 | 217.62 | 147284.99 |
| 6 | | | | 578 | 730 | | | 1442.38 | 1442.45 | 1224.74 | 217.71 | 146969.98 |
| 7 | | | | 478 | 450 | | | 1442.38 | 1442.38 | 1223.75 | 218.63 | 146969.98 |
| 8 | | | | 469 | 440 | | | 1442.44 | 1442.42 | 1223.73 | 218.69 | 147059.98 |
| 9 | | | | 480 | 440 | | | 1442.48 | 1442.46 | 1223.73 | 218.73 | 147119.98 |
| 10 | | | | 488 | 440 | | | 1442.55 | 1442.52 | 1223.70 | 218.82 | 147224.98 |
| 11 | | | | 471 | 440 | | | 1442.57 | 1442.57 | 1223.71 | 218.86 | 147254.98 |
| 12 | | | | 429 | 450 | | | 1442.53 | 1442.56 | 1223.75 | 218.81 | 147194.98 |
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| TOT | 1087 | | 9 | | | | | | | | | |
| AVG | 217 | 9 | 2 | 424 | 578 | 592 | 122 | 1443.00 | 1443.10 | 1224.19 | 218.91 | 147898.73 |
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| MAX | 265 | | | 578 | 830 | 700 | 140 | 1444.81 | 1444.89 | 1225.19 | 221.17 | 150614.99 |
| MIN | 122 | | | 317 | 440 | 370 | 70 | 1442.38 | 1442.38 | 1223.70 | 217.62 | 146969.98 |