USGS Streamgage 14144800
Middle Fork Willamette River near Oakridge, OR
Middle Fork Willamette River near Oakridge, OR is USGS streamgage 14144800 in Oregon, monitoring river discharge in hydrologic subbasin 17090001. It drains a watershed of about 264 square miles. Discharge records at this site go back to 1956. Typical flow runs near 365.7 cfs in July and 986.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 264 sq mi
- Subbasin (HUC-8)
- 17090001
- Coordinates
- 43.60179, -122.45755
- USGS site number
- 14144800
- Records begin
- 1956-10-01 (70 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 39 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 | 414.1 | 844.4 | 2,316.8 | |
| February | 475.1 | 892.9 | 2,217.6 | |
| March | 531.6 | 867.5 | 1,866.5 | |
| April | 593.3 | 986.6 | 1,704.3 | |
| May | 597.9 | 1,023.9 | 1,807.1 | |
| June | 390.1 | 677.3 | 1,339.5 | |
| July | 263 | 365.7 | 585.4 | |
| August | 230 | 282.4 | 386.5 | |
| September | 212.5 | 266.3 | 363.7 | |
| October | 214.5 | 285.2 | 511 | |
| November | 269.1 | 553.7 | 1,643.4 | |
| December | 343.5 | 826.3 | 2,583.2 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Hills Creek Ab Hills Creek Reservoir, near Oakridge, OR
- Hills Creek Dam Tailwater near Oakridge, OR
- MF Willamette River above Salt Creek, near Oakridge, OR
- NF of MF Willamette River Ab Parker Creek near Oakridge, OR
- N Fk of M Fk Willamette River near Oakridge, OR
- MF Willamette River below N Fork, near Oakridge, OR
- Lookout Point Dam Tailwater near Lowell, OR
- MF Willamette River below Lookout Point Dam near Lowell, OR