USGS Streamgage 14191000
Willamette River at Salem, OR
Willamette River at Salem, OR is USGS streamgage 14191000 in Oregon, monitoring river discharge in hydrologic subbasin 17090007. It drains a watershed of about 7,280 square miles. Discharge records at this site go back to 1861. Typical flow runs near 6,939 cfs in July and 22,393.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 7,280 sq mi
- Subbasin (HUC-8)
- 17090007
- Coordinates
- 44.94429, -123.04287
- USGS site number
- 14191000
- Records begin
- 1861-12-04 (165 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 117 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 | 14,945.2 | 36,874.2 | 91,235.5 | |
| February | 13,220.7 | 29,403.4 | 77,979.3 | |
| March | 13,554.8 | 24,893.5 | 60,793.5 | |
| April | 12,506.7 | 22,393.3 | 43,663.3 | |
| May | 10,064.2 | 18,493.5 | 32,603.2 | |
| June | 7,239.3 | 12,073 | 23,020 | |
| July | 4,961 | 6,939 | 10,240.3 | |
| August | 3,626.1 | 6,267.4 | 8,191.6 | |
| September | 3,460.7 | 7,442 | 11,157.7 | |
| October | 3,800.6 | 10,543.2 | 18,277.4 | |
| November | 7,379 | 20,790 | 54,730 | |
| December | 11,431 | 31,987.1 | 86,445.2 |
All values in cubic feet per second (cfs).