USGS Streamgage 11325000
Woodbridge Cn A Woodbridge, CA
Woodbridge Cn A Woodbridge, CA is USGS streamgage 11325000 in California, monitoring river discharge in hydrologic subbasin 18040012. Discharge records at this site go back to 1926. Typical flow runs near 239.5 cfs in July and 81.4 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- California
- Subbasin (HUC-8)
- 18040012
- Coordinates
- 38.15242, -121.30189
- USGS site number
- 11325000
- Records begin
- 1926-04-28 (100 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 100 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 | 0 | 0 | 0 | |
| February | 0 | 0 | 0 | |
| March | 0 | 5 | 69.9 | |
| April | 9.1 | 81.4 | 230.9 | |
| May | 88.5 | 166.5 | 315 | |
| June | 122.4 | 216.8 | 353.5 | |
| July | 142.3 | 239.5 | 367.3 | |
| August | 127.3 | 227 | 341.7 | |
| September | 82 | 170 | 258.8 | |
| October | 11.6 | 99.4 | 175.6 | |
| November | 0 | 0.7 | 76.1 | |
| December | 0 | 0 | 13.2 |
All values in cubic feet per second (cfs).
Common questions
- When does Woodbridge Cn A Woodbridge, CA normally run highest?
- July, on the long-term record. The median daily flow that month is about 239.5 cfs, against 0 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Woodbridge Cn A Woodbridge, CA?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 0 cfs. The month-by-month table on this page gives the full range.
- How long has Woodbridge Cn A Woodbridge, CA been measured?
- Discharge records at USGS site 11325000 begin in 1926, about 100 years, covering roughly 8,821 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Woodbridge Cn A Woodbridge, CA?
- The gauge sits at 38.15242, -121.30189, in California, in hydrologic subbasin 18040012.
- Can I use Woodbridge Cn A Woodbridge, 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.