USGS Streamgage 11164500
San Francisquito C A Stanford University, CA
San Francisquito C A Stanford University, CA is USGS streamgage 11164500 in California, monitoring river discharge in hydrologic subbasin 18050003. It drains a watershed of about 37 square miles. Discharge records at this site go back to 1930. Typical flow runs near 0.2 cfs in July and 6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 37 sq mi
- Gauge elevation
- 113 ft
- Subbasin (HUC-8)
- 18050003
- Coordinates
- 37.42327, -122.18941
- USGS site number
- 11164500
- Records begin
- 1930-10-01 (96 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 96 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 | 0.2 | 5.7 | 162.7 | |
| February | 0.2 | 13.8 | 203.9 | |
| March | 0.2 | 14.3 | 154.6 | |
| April | 0.1 | 6 | 59.7 | |
| May | 0.1 | 1.6 | 12 | |
| June | 0 | 0.4 | 4.1 | |
| July | 0 | 0.2 | 1.4 | |
| August | 0 | 0.1 | 0.8 | |
| September | 0 | 0.2 | 0.6 | |
| October | 0 | 0.2 | 1 | |
| November | 0 | 0.5 | 5.1 | |
| December | 0.1 | 1.3 | 58 |
All values in cubic feet per second (cfs).
Common questions
- When does San Francisquito C A Stanford University, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 14.3 cfs, against 0.1 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 San Francisquito C A Stanford University, CA?
- It depends on the month. In January, half of days historically fall near 5.7 cfs, with the middle 80% of days between 0.2 and 162.7 cfs. The month-by-month table on this page gives the full range.
- How long has San Francisquito C A Stanford University, CA been measured?
- Discharge records at USGS site 11164500 begin in 1930, about 96 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is San Francisquito C A Stanford University, CA?
- The gauge sits at 37.42327, -122.18941, in California, in hydrologic subbasin 18050003, at an elevation of about 113 feet, draining roughly 37 square miles.
- Can I use San Francisquito C A Stanford University, 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.