USGS Streamgage 14186700
South Santiam River at Foster, OR
South Santiam River at Foster, OR is USGS streamgage 14186700 in Oregon, monitoring river discharge in hydrologic subbasin 17090006. It drains a watershed of about 493 square miles. Discharge records at this site go back to 1966. Typical flow runs near 677.7 cfs in July and 1,299.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 493 sq mi
- Subbasin (HUC-8)
- 17090006
- Coordinates
- 44.41475, -122.67344
- USGS site number
- 14186700
- Records begin
- 1966-10-01 (60 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 7 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 | — | 5,381.9 | — | |
| February | — | 3,042.1 | — | |
| March | — | 1,604.3 | — | |
| April | — | 1,299.9 | — | |
| May | — | 1,715.9 | — | |
| June | — | 974.3 | — | |
| July | — | 677.7 | — | |
| August | — | 970.1 | — | |
| September | — | 1,631.7 | — | |
| October | — | 1,538 | — | |
| November | — | 3,333.3 | — | |
| December | — | 4,722.3 | — |
All values in cubic feet per second (cfs).