USGS Streamgage 14185000
South Santiam River below Cascadia, OR
South Santiam River below Cascadia, OR is USGS streamgage 14185000 in Oregon, monitoring river discharge in hydrologic subbasin 17090006. It drains a watershed of about 174 square miles. Discharge records at this site go back to 1935. Typical flow runs near 135.3 cfs in July and 1,027.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 174 sq mi
- Subbasin (HUC-8)
- 17090006
- Coordinates
- 44.39179, -122.49758
- USGS site number
- 14185000
- Records begin
- 1935-09-01 (91 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 91 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 | 356.6 | 975.4 | 3,121 | |
| February | 403.1 | 900.8 | 2,716.6 | |
| March | 460.8 | 956.8 | 2,282.6 | |
| April | 522.1 | 1,027.2 | 1,915.7 | |
| May | 343.6 | 778 | 1,634.2 | |
| June | 153.9 | 374 | 1,039.8 | |
| July | 69.9 | 135.3 | 249.5 | |
| August | 42 | 65.1 | 111.2 | |
| September | 38.4 | 56.7 | 171.4 | |
| October | 42.3 | 117.3 | 667.5 | |
| November | 130.1 | 647.1 | 2,354.3 | |
| December | 299.5 | 966.2 | 3,455.2 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Middle Santiam River near Santiam Junction, OR
- Middle Santiam River near Cascadia, OR
- Quartzville Creek below Galena Creek near Cascadia, OR
- Quartzville Creek near Cascadia, OR
- Green Peter Dam Tailwater near Foster, OR
- Middle Santiam River below Green Peter Dam near Foster, OR
- Foster Dam Tailwater at Foster, OR
- South Santiam River at Foster, OR