Dexter Dam & Lake on MF Willamette River
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 | 128 | 5 | 1 | 1672 | 1650 | 1600 | 0 | 692.32 | 691.93 | 637.61 | 54.32 | 24710.17 |
| 2 | 127 | 5 | 1 | 2007 | 1620 | 1570 | 0 | 692.55 | 692.46 | 637.58 | 54.88 | 24931.95 |
| 3 | 123 | 5 | 1 | 1519 | 1580 | 1530 | 0 | 692.30 | 692.42 | 637.54 | 54.88 | 24691.00 |
| 4 | 123 | 5 | 1 | | 1580 | 1530 | 0 | | 692.25 | | | |
| 5 | 124 | 5 | 1 | | 1590 | 1540 | 0 | 692.46 | 692.39 | 637.55 | 54.84 | 24845.16 |
| 6 | | | | 1681 | 1600 | | | 692.63 | 692.56 | 637.56 | 55.00 | 25009.06 |
| 7 | | | | 1648 | 1590 | | | 692.73 | 692.69 | 637.56 | 55.13 | 25106.06 |
| 8 | | | | 1639 | 1650 | | | 692.69 | 692.73 | 637.59 | 55.14 | 25067.28 |
| 9 | | | | 1630 | 1690 | | | 692.59 | 692.64 | 637.59 | 55.05 | 24970.38 |
| 10 | | | | 1629 | 1670 | | | 692.50 | 692.56 | 637.56 | 55.00 | 24884.00 |
| 11 | | | | 1620 | 1650 | | | 692.43 | 692.45 | 637.57 | 54.88 | 24816.06 |
| 12 | | | | 1603 | 1550 | | | 692.53 | 692.49 | 637.53 | 54.96 | 24912.76 |
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| TOT | 625 | | 5 | | | | | | | | | |
| AVG | 125 | 5 | 1 | 1665 | 1618 | 1554 | 0 | 692.52 | 692.46 | 637.57 | 54.92 | 24903.99 |
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| MAX | 128 | | | 2007 | 1690 | 1600 | 0 | 692.73 | 692.73 | 637.61 | 55.14 | 25106.06 |
| MIN | 123 | | | 1519 | 1550 | 1530 | 0 | 692.30 | 691.93 | 637.53 | 54.32 | 24691.00 |