USGS Streamgage 14325000
South Fork Coquille River at Powers, OR
South Fork Coquille River at Powers, OR is USGS streamgage 14325000 in Oregon, monitoring river discharge in hydrologic subbasin 17100305. It drains a watershed of about 169 square miles. Discharge records at this site go back to 1916. Typical flow runs near 52.1 cfs in July and 718.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 169 sq mi
- Subbasin (HUC-8)
- 17100305
- Coordinates
- 42.8915, -124.07065
- USGS site number
- 14325000
- Records begin
- 1916-10-01 (110 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 110 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 | 299.8 | 1,081.3 | 4,178.4 | |
| February | 324.6 | 1,029.7 | 3,603.4 | |
| March | 359.6 | 1,022.6 | 2,831 | |
| April | 261.4 | 718.4 | 1,819 | |
| May | 123 | 306.3 | 861.9 | |
| June | 63.1 | 120.6 | 331.5 | |
| July | 34.1 | 52.1 | 85.4 | |
| August | 20.6 | 29.7 | 47 | |
| September | 16.1 | 24.6 | 61 | |
| October | 17.3 | 46.9 | 415.1 | |
| November | 54.5 | 430.2 | 2,509.2 | |
| December | 210.4 | 948.9 | 4,312.9 |
All values in cubic feet per second (cfs).