USGS Streamgage 14305800
Siletz River near Siletz, OR
Siletz River near Siletz, OR is USGS streamgage 14305800 in Oregon, monitoring river discharge in hydrologic subbasin 17100204. Discharge records at this site go back to 2024. Typical flow runs near 71.3 cfs in July and 1,545 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Subbasin (HUC-8)
- 17100204
- Coordinates
- 44.7646, -123.9138
- USGS site number
- 14305800
- Records begin
- 2024-10-21 (2 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 2 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 | — | 1,963.8 | — | |
| February | — | 3,435.4 | — | |
| March | — | 2,921.1 | — | |
| April | — | 1,545 | — | |
| May | — | 281.7 | — | |
| June | — | 135 | — | |
| July | — | 71.3 | — | |
| August | — | 66.4 | — | |
| September | — | 56.6 | — | |
| October | — | 286.5 | — | |
| November | — | 2,480.3 | — | |
| December | — | 4,663.2 | — |
All values in cubic feet per second (cfs).