Hills Creek Dam & Lake
September 2026
| 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 | 161 | 7 | 0 | 268 | 490 | 490 | 0 | 1459.70 | 1459.81 | 1224.09 | 235.72 | 175759.99 |
| 2 | 140 | 6 | 1 | 294 | 440 | 440 | 0 | 1459.57 | 1459.62 | 1223.93 | 235.69 | 175525.98 |
| 3 | 139 | 6 | 2 | 376 | 440 | 440 | 0 | 1459.48 | 1459.53 | 1223.92 | 235.61 | 175363.98 |
| 4 | 138 | 6 | 1 | | | 440 | 0 | 1459.34 | 1459.41 | 1223.92 | 235.49 | |
| 5 | 139 | 6 | 1 | | 440 | 440 | 0 | 1459.20 | 1459.26 | 1223.92 | 235.34 | 174859.99 |
| 6 | 139 | 6 | 1 | 340 | 440 | 440 | 0 | 1459.09 | 1459.14 | 1223.91 | 235.23 | 174661.99 |
| 7 | | | | 322 | 440 | | | 1458.94 | 1459.02 | 1223.91 | 235.11 | 174397.98 |
| 8 | | | | 303 | 440 | | | 1458.79 | 1458.87 | 1223.91 | 234.96 | 174142.99 |
| 9 | | | | 287 | 440 | | | 1458.60 | 1458.69 | 1223.90 | 234.79 | 173819.99 |
| 10 | | | | 303 | 460 | | | 1458.41 | 1458.51 | 1223.99 | 234.52 | 173496.99 |
| 11 | | | | 277 | 450 | | | 1458.22 | 1458.31 | 1223.98 | 234.33 | 173173.98 |
| 12 | | | | 286 | 450 | | | 1458.03 | 1458.12 | 1223.96 | 234.16 | 172850.98 |
| 13 | | | | 315 | 450 | | | 1457.89 | 1457.96 | 1223.96 | 234.00 | 172601.99 |
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| TOT | 856 | | 6 | | | | | | | | | |
| AVG | 143 | 6 | 1 | 307 | 448 | 448 | 0 | 1458.87 | 1458.94 | 1223.95 | 235.00 | 174221.40 |
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| MAX | 161 | | | 376 | 490 | 490 | 0 | 1459.70 | 1459.81 | 1224.09 | 235.72 | 175759.99 |
| MIN | 138 | | | 268 | 440 | 440 | 0 | 1457.89 | 1457.96 | 1223.90 | 234.00 | 172601.99 |