USGS Streamgage 14299800
Nehalem River near Vernonia, OR
Nehalem River near Vernonia, OR is USGS streamgage 14299800 in Oregon, monitoring river discharge in hydrologic subbasin 17100202. It drains a watershed of about 70 square miles. Discharge records at this site go back to 1996. Typical flow runs near 15.2 cfs in July and 214.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 70 sq mi
- Subbasin (HUC-8)
- 17100202
- Coordinates
- 45.80706, -123.28317
- USGS site number
- 14299800
- Records begin
- 1996-02-08 (30 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 23 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 | 175.8 | 427.7 | 1,501 | |
| February | 123.7 | 299.4 | 952.2 | |
| March | 124.3 | 311.2 | 920.9 | |
| April | 99.8 | 214.1 | 537.7 | |
| May | 42.9 | 77.3 | 217.3 | |
| June | 21.4 | 35.3 | 88.9 | |
| July | 9.3 | 15.2 | 31.5 | |
| August | 3.9 | 7.3 | 12.7 | |
| September | 3.2 | 6 | 16.2 | |
| October | 5.8 | 17.1 | 108.2 | |
| November | 26 | 149.3 | 827.5 | |
| December | 75.6 | 380 | 1,485.9 |
All values in cubic feet per second (cfs).