USGS Streamgage 14157500
Coast Fork Willamette River near Goshen, OR
Coast Fork Willamette River near Goshen, OR is USGS streamgage 14157500 in Oregon, monitoring river discharge in hydrologic subbasin 17090002. It drains a watershed of about 642 square miles. Discharge records at this site go back to 1905. Typical flow runs near 195.6 cfs in July and 1,240.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 642 sq mi
- Subbasin (HUC-8)
- 17090002
- Coordinates
- 43.9804, -122.96647
- USGS site number
- 14157500
- Records begin
- 1905-10-01 (121 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 120 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 | 693.5 | 2,471.9 | 7,858.4 | |
| February | 543.4 | 1,712.8 | 6,050.3 | |
| March | 531.4 | 1,565.5 | 4,935.8 | |
| April | 467.3 | 1,240.6 | 3,289 | |
| May | 332.8 | 615.6 | 2,389.4 | |
| June | 236.5 | 387.3 | 1,238.9 | |
| July | 145.4 | 195.6 | 390.1 | |
| August | 130.4 | 179.4 | 767.7 | |
| September | 159 | 478.7 | 942.6 | |
| October | 201.1 | 751 | 1,412.9 | |
| November | 204.5 | 957.8 | 4,379.7 | |
| December | 455.7 | 2,141 | 7,439.7 |
All values in cubic feet per second (cfs).