USGS Streamgage 14208000
Clackamas River at Big Bottom, OR
Clackamas River at Big Bottom, OR is USGS streamgage 14208000 in Oregon, monitoring river discharge in hydrologic subbasin 17090011. It drains a watershed of about 136 square miles. Discharge records at this site go back to 1920. Typical flow runs near 287.5 cfs in July and 579.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 136 sq mi
- Subbasin (HUC-8)
- 17090011
- Coordinates
- 45.01708, -121.92353
- USGS site number
- 14208000
- Records begin
- 1920-04-01 (106 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 51 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 | 288.5 | 444.1 | 1,094.8 | |
| February | 308.2 | 472.6 | 1,029.8 | |
| March | 333.7 | 454.5 | 806.2 | |
| April | 386.1 | 579.7 | 936.7 | |
| May | 360 | 680.3 | 1,050.4 | |
| June | 265.6 | 451.3 | 804 | |
| July | 227.9 | 287.5 | 388.1 | |
| August | 214.3 | 259.6 | 303.7 | |
| September | 212.3 | 252.8 | 300.2 | |
| October | 211.8 | 263.3 | 405.1 | |
| November | 238.2 | 345.7 | 870.5 | |
| December | 274.7 | 451.3 | 1,052 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- 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
- Clackamas River at Estacada, OR