USGS Streamgage 14197900
Willamette River at Newberg, OR
Willamette River at Newberg, OR is USGS streamgage 14197900 in Oregon, monitoring river discharge in hydrologic subbasin 17090007. It drains a watershed of about 8,350 square miles. Discharge records at this site go back to 2001. Typical flow runs near 7,508.7 cfs in July and 25,500 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 8,350 sq mi
- Subbasin (HUC-8)
- 17090007
- Coordinates
- 45.28456, -122.96149
- USGS site number
- 14197900
- Records begin
- 2001-10-01 (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 | 19,503.2 | 45,358.1 | 100,741.9 | |
| February | 13,735.7 | 28,096.6 | 73,292.9 | |
| March | 14,371 | 27,858.1 | 69,938.7 | |
| April | 15,290 | 25,500 | 53,820 | |
| May | 11,941.9 | 18,183.9 | 38,238.7 | |
| June | 8,547.3 | 12,371.3 | 26,770 | |
| July | 6,366.5 | 7,508.7 | 11,030.6 | |
| August | 5,958.4 | 7,061 | 8,407.7 | |
| September | 6,598.3 | 8,450.3 | 10,453.3 | |
| October | 7,709.4 | 11,596.8 | 19,600 | |
| November | 9,817.3 | 22,866.7 | 50,376.7 | |
| December | 13,476.1 | 37,629 | 90,148.4 |
All values in cubic feet per second (cfs).