USGS Streamgage 11472180
Outlet C near Willits, CA
Outlet C near Willits, CA is USGS streamgage 11472180 in California, monitoring river discharge in hydrologic subbasin 18010103. It drains a watershed of about 23 square miles. Discharge records at this site go back to 2018.
Gauge details
- State
- California
- Drainage area
- 23 sq mi
- Gauge elevation
- 1,335 ft
- Subbasin (HUC-8)
- 18010103
- Coordinates
- 39.42044, -123.34067
- USGS site number
- 11472180
- Records begin
- 2018-10-01 (8 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 8 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 8 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | — | 59.1 | — | |
| February | — | 64.4 | — | |
| March | — | 41 | — | |
| April | — | 23.2 | — | |
| May | — | 5.5 | — | |
| October | — | 0.1 | — | |
| November | — | 2.2 | — | |
| December | — | 47.7 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Outlet C near Willits, CA normally run highest?
- February, on the long-term record. The median daily flow that month is about 64.4 cfs, against 0.1 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Outlet C near Willits, CA been measured?
- Discharge records at USGS site 11472180 begin in 2018, about 8 years, covering roughly 1,816 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Outlet C near Willits, CA?
- The gauge sits at 39.42044, -123.34067, in California, in hydrologic subbasin 18010103, at an elevation of about 1,335 feet, draining roughly 23 square miles.
- Can I use Outlet C near Willits, CA 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.