Dexter Dam & Lake on MF Willamette River
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 | 0 | 0 | 0 | 1154 | 1240 | 0 | 1190 | 691.23 | 691.19 | 637.26 | 53.93 | 23666.46 |
| 2 | 0 | 0 | 0 | 1345 | 1250 | 0 | 1190 | 691.43 | 691.35 | 637.26 | 54.09 | 23857.46 |
| 3 | 0 | 0 | 0 | 1318 | 1250 | 0 | 1200 | 691.56 | 691.50 | 637.27 | 54.23 | 23993.53 |
| 4 | 0 | 0 | 0 | 1343 | 1320 | 0 | 1270 | 691.68 | 691.63 | 637.28 | 54.35 | 24099.98 |
| 5 | 0 | 0 | 0 | 1578 | 1750 | 0 | 1700 | 691.76 | 691.77 | 637.40 | 54.37 | 24172.56 |
| 6 | 0 | 0 | 0 | 1961 | 1990 | 0 | 1940 | 691.76 | 691.74 | 637.46 | 54.28 | 24172.56 |
| 7 | 0 | 0 | 0 | 1990 | 1970 | 0 | 1920 | 691.77 | 691.76 | 637.45 | 54.31 | 24182.16 |
| 8 | 0 | 0 | 0 | 1934 | 1940 | 0 | 1900 | 691.72 | 691.75 | 637.45 | 54.30 | 24134.17 |
| 9 | 0 | 0 | 0 | 1909 | 1940 | 0 | 1890 | 691.63 | 691.67 | 637.45 | 54.22 | 24062.48 |
| 10 | 0 | 0 | 1 | 2382 | 2540 | 0 | 2490 | 691.89 | 691.77 | 637.56 | 54.21 | 24297.38 |
| 11 | 0 | 0 | 1 | 2630 | 2540 | 0 | 2490 | 691.94 | 691.96 | 637.56 | 54.40 | 24345.36 |
| 12 | 0 | 0 | 1 | 2166 | 2080 | 0 | 2030 | 691.77 | 691.84 | 637.47 | 54.37 | 24182.16 |
| 13 | 0 | 0 | 1 | 1953 | 2060 | 0 | 2010 | 691.48 | 691.62 | 637.47 | 54.15 | 23904.97 |
| 14 | 0 | 0 | 1 | 1861 | 2040 | 0 | 1990 | 691.06 | 691.27 | 637.47 | 53.80 | 23504.95 |
| 15 | 0 | 0 | 0 | 1739 | 1710 | 0 | 1660 | 690.84 | 690.89 | 637.37 | 53.52 | 23295.95 |
| 16 | 0 | 0 | 1 | 1429 | 1350 | 0 | 1300 | 690.80 | 690.84 | 637.25 | 53.59 | 23258.00 |
| 17 | 0 | 0 | 1 | 1273 | 1270 | 0 | 1220 | 690.92 | 690.87 | 637.21 | 53.66 | 23371.97 |
| 18 | 0 | 0 | 1 | 1360 | 1270 | 0 | 1220 | 691.43 | 691.10 | 637.22 | 53.88 | 23857.46 |
| 19 | 0 | 0 | 1 | 1923 | 1330 | 0 | 1280 | 692.66 | 692.12 | 637.26 | 54.86 | 25038.16 |
| 20 | 0 | 0 | 1 | 1425 | 1310 | 0 | 1260 | 692.50 | 692.58 | 637.26 | 55.32 | 24884.00 |
| 21 | 0 | 0 | 1 | 1245 | 1300 | 0 | 1250 | 692.40 | 692.45 | 637.26 | 55.19 | 24787.00 |
| 22 | 0 | 0 | 1 | 1303 | 1290 | 0 | 1240 | 692.37 | 692.39 | 637.26 | 55.13 | 24758.16 |
| 23 | 0 | 0 | 1 | 1194 | 1250 | 0 | 1200 | 692.25 | 692.32 | 637.24 | 55.08 | 24642.95 |
| 24 | 0 | 0 | 1 | 1229 | 1250 | 0 | 1200 | 692.22 | 692.23 | 637.23 | 55.00 | 24614.17 |
| 25 | 0 | 0 | 1 | 1232 | 1250 | 0 | 1200 | 692.21 | 692.20 | 637.23 | 54.97 | 24604.58 |
| 26 | 0 | 0 | 2 | 1283 | 1260 | 0 | 1210 | 692.28 | 692.25 | 637.24 | 55.01 | 24671.77 |
| 27 | 0 | 0 | 0 | 1279 | 1260 | 0 | 1210 | 692.32 | 692.30 | 637.24 | 55.06 | 24710.17 |
| 28 | 0 | 0 | 2 | 1271 | 1540 | 0 | 1490 | 691.60 | 692.16 | 637.35 | 54.81 | 24040.00 |
| 29 | 141 | 6 | 1 | 2673 | 2310 | 1600 | 650 | 691.64 | 692.04 | 638.03 | 54.01 | 24069.97 |
| 30 | 243 | 10 | 1 | 2318 | 2810 | 2760 | 0 | 692.50 | 691.95 | 638.56 | 53.39 | 24884.00 |
| 31 | 273 | 11 | 1 | 3194 | 3150 | 3100 | 0 | 692.64 | 692.30 | 638.86 | 53.44 | 25018.76 |
|
| TOT | 657 | | 22 | | | | | | | | | |
| AVG | 21 | 1 | 1 | 1706 | 1704 | 241 | 1413 | 691.81 | 691.80 | 637.45 | 54.35 | 24228.49 |
|
| MAX | 273 | | | 3194 | 3150 | 3100 | 2490 | 692.66 | 692.58 | 638.86 | 55.32 | 25038.16 |
| MIN | 0 | | | 1154 | 1240 | 0 | 0 | 690.80 | 690.84 | 637.21 | 53.39 | 23258.00 |