USGS Streamgage 11465390
Russian River near Windsor, CA
Russian River near Windsor, CA is USGS streamgage 11465390 in California, monitoring river discharge in hydrologic subbasin 18010110. It drains a watershed of about 1,022 square miles. Discharge records at this site go back to 2009. Typical flow runs near 209.3 cfs in July and 2,050.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 1,022 sq mi
- Gauge elevation
- 34 ft
- Subbasin (HUC-8)
- 18010110
- Coordinates
- 38.5157, -122.86468
- USGS site number
- 11465390
- Records begin
- 2009-06-01 (17 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 17 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 7 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| April | — | 2,050.9 | — | |
| May | 179.1 | 457.4 | 1,176.2 | |
| June | 147.7 | 254.8 | 556.8 | |
| July | 121.7 | 209.3 | 280.6 | |
| August | 114.1 | 206.5 | 258.1 | |
| September | 124.3 | 209.3 | 258.6 | |
| October | 122.9 | 242.4 | 884.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Russian River near Windsor, CA normally run highest?
- April, on the long-term record. The median daily flow that month is about 2,050.9 cfs, against 206.5 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Russian River near Windsor, CA?
- It depends on the month. In May, half of days historically fall near 457.4 cfs, with the middle 80% of days between 179.1 and 1,176.2 cfs. The month-by-month table on this page gives the full range.
- How long has Russian River near Windsor, CA been measured?
- Discharge records at USGS site 11465390 begin in 2009, about 17 years, covering roughly 3,288 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Russian River near Windsor, CA?
- The gauge sits at 38.5157, -122.86468, in California, in hydrologic subbasin 18010110, at an elevation of about 34 feet, draining roughly 1,022 square miles.
- Can I use Russian River near Windsor, 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.