USGS Streamgage 14211010
Clackamas River near Oregon City, OR
Clackamas River near Oregon City, OR is USGS streamgage 14211010 in Oregon, monitoring river discharge in hydrologic subbasin 17090011. It drains a watershed of about 940 square miles. Discharge records at this site go back to 2001. Typical flow runs near 1,057.8 cfs in July and 4,218.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 940 sq mi
- Subbasin (HUC-8)
- 17090011
- Coordinates
- 45.37929, -122.57731
- USGS site number
- 14211010
- Records begin
- 2001-06-01 (25 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 25 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 | 2,301.3 | 4,231.3 | 12,266.5 | |
| February | 2,020.7 | 3,519.7 | 8,581.1 | |
| March | 2,127.1 | 4,090 | 9,758.4 | |
| April | 2,801 | 4,218.3 | 8,050.7 | |
| May | 1,915.5 | 3,163.9 | 6,734.2 | |
| June | 1,162.9 | 1,864.7 | 4,741.3 | |
| July | 820.5 | 1,057.8 | 1,566.5 | |
| August | 703 | 834 | 1,057.2 | |
| September | 737.6 | 890.3 | 1,260.1 | |
| October | 796.3 | 1,114.1 | 2,593.2 | |
| November | 1,179.8 | 2,595.3 | 6,976.7 | |
| December | 1,625.2 | 3,633.2 | 12,882.6 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Clackamas River at Big Bottom, OR
- Collawash River near Breitenbush, OR
- Oak Grove Fork near Government Camp, OR
- Oak Grove Fork above Powerplant Intake, OR
- Oak Grove Fork at Ripplebrook Campground, OR
- Clackamas River above Three Lynx Creek, OR
- Fish Creek near Three Lynx, OR
- Clackamas River at Carter Bridge, near Estacada, OR