USGS Streamgage 14150000
Middle Fork Willamette River near Dexter, OR
Middle Fork Willamette River near Dexter, OR is USGS streamgage 14150000 in Oregon, monitoring river discharge in hydrologic subbasin 17090001. It drains a watershed of about 1,001 square miles. Discharge records at this site go back to 1946. Typical flow runs near 1,692.3 cfs in July and 1,826.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 1,001 sq mi
- Subbasin (HUC-8)
- 17090001
- Coordinates
- 43.94568, -122.8373
- USGS site number
- 14150000
- Records begin
- 1946-10-01 (80 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 80 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 1,382.9 | 3,749 | 10,120 | |
| February | 1,137.6 | 1,544.8 | 7,575.2 | |
| March | 1,133.2 | 1,356.1 | 5,185.2 | |
| April | 1,125.7 | 1,826.3 | 5,416 | |
| May | 1,184.8 | 3,020.6 | 5,528.7 | |
| June | 1,203.3 | 2,380.3 | 4,757.7 | |
| July | 1,182.3 | 1,692.3 | 2,598.1 | |
| August | 1,088.4 | 1,952.9 | 2,832.3 | |
| September | 1,146.3 | 2,152.3 | 3,478.3 | |
| October | 1,241.6 | 2,447.4 | 3,846.1 | |
| November | 1,408.7 | 3,721 | 7,394.3 | |
| December | 1,363.2 | 3,720 | 10,384.8 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Fall Creek above Tiller Creek, near Lowell, OR
- Fall Creek above North Fork, near Lowell, OR
- Winberry Creek near Lowell, OR
- Fall Creek below Winberry Creek, near Fall Creek, OR
- Middle Fork Willamette River at Jasper, OR
- MF Willamette River above Snake Creek, near Oakridge, OR
- Middle Fork Willamette River near Oakridge, OR
- Hills Creek Ab Hills Creek Reservoir, near Oakridge, OR