USGS Streamgage 14152000
Middle Fork Willamette River at Jasper, OR
Middle Fork Willamette River at Jasper, OR is USGS streamgage 14152000 in Oregon, monitoring river discharge in hydrologic subbasin 17090001. It drains a watershed of about 1,340 square miles. Discharge records at this site go back to 1905. Typical flow runs near 1,955.2 cfs in July and 2,855.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 1,340 sq mi
- Subbasin (HUC-8)
- 17090001
- Coordinates
- 43.99818, -122.90591
- USGS site number
- 14152000
- Records begin
- 1905-09-01 (121 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 119 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 | 2,061 | 5,579.7 | 14,171 | |
| February | 1,621 | 2,791.4 | 9,900.7 | |
| March | 1,562.3 | 2,591.6 | 8,099.4 | |
| April | 1,552 | 2,855.3 | 6,779.3 | |
| May | 1,520.6 | 3,593.9 | 6,603.5 | |
| June | 1,414.7 | 2,746.7 | 5,580.7 | |
| July | 1,264.2 | 1,955.2 | 2,898.1 | |
| August | 1,147.1 | 2,255.2 | 3,205.5 | |
| September | 1,086.7 | 2,640.7 | 4,299 | |
| October | 1,178.4 | 3,118.1 | 4,850.3 | |
| November | 1,681.3 | 4,646.3 | 9,935.3 | |
| December | 1,784.5 | 5,283.9 | 14,687.1 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- 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
- 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