Big Cliff Dam
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 | 1 | 1774 | 1330 | 1330 | 0 | 1201.00 | 1195.91 | 1110.52 | 85.39 | 5730.00 |
| 2 | | | | 1694 | 1520 | | | 1199.78 | 1197.61 | 1110.86 | 86.75 | 5564.41 |
| 3 | | | | 1455 | 1520 | | | 1200.72 | 1196.75 | 1110.87 | 85.88 | 5693.31 |
| 4 | | | | | | | | | | | | |
| 5 | | | | | 1560 | | | 1200.61 | 1196.95 | 1110.93 | 86.02 | 5678.96 |
| 6 | | | | 1572 | 1580 | | | 1200.26 | 1196.86 | 1110.96 | 85.90 | 5633.52 |
| 7 | | | | 1584 | 1570 | | | 1200.52 | 1196.81 | 1110.94 | 85.87 | 5667.24 |
| 8 | | | | 1577 | 1580 | | | 1200.31 | 1196.86 | 1110.96 | 85.90 | 5639.99 |
| 9 | | | | | | | | 1201.33 | | | | 5775.84 |
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| TOT | 161 | | 1 | | | | | | | | | |
| AVG | 161 | 7 | 1 | 1609 | 1523 | 1330 | 0 | 1200.57 | 1196.82 | 1110.86 | 85.96 | 5672.91 |
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| MAX | 161 | | | 1774 | 1580 | 1330 | 0 | 1201.33 | 1197.61 | 1110.96 | 86.75 | 5775.84 |
| MIN | 161 | | | 1455 | 1330 | 1330 | 0 | 1199.78 | 1195.91 | 1110.52 | 85.39 | 5564.41 |