USGS Streamgage 12051900
Little Quilcene River below Diversion near Quilcene, WA
Little Quilcene River below Diversion near Quilcene, WA is USGS streamgage 12051900 in Washington, monitoring river discharge in hydrologic subbasin 17110018. It drains a watershed of about 10 square miles. Discharge records at this site go back to 1994. Typical flow runs near 8.2 cfs in July and 12.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 10 sq mi
- Gauge elevation
- 1,160 ft
- Subbasin (HUC-8)
- 17110018
- Coordinates
- 47.87481, -122.95961
- USGS site number
- 12051900
- Records begin
- 1994-04-20 (32 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 1 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 4 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| April | — | 12.4 | — | |
| May | — | 9.3 | — | |
| June | — | 8.9 | — | |
| July | — | 8.2 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Little Quilcene River below Diversion near Quilcene, WA normally run highest?
- April, on the long-term record. The median daily flow that month is about 12.4 cfs, against 8.2 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Little Quilcene River below Diversion near Quilcene, WA been measured?
- Discharge records at USGS site 12051900 begin in 1994, about 32 years. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Little Quilcene River below Diversion near Quilcene, WA?
- The gauge sits at 47.87481, -122.95961, in Washington, in hydrologic subbasin 17110018, at an elevation of about 1,160 feet, draining roughly 10 square miles.
- Can I use Little Quilcene River below Diversion near Quilcene, WA data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.