USGS Streamgage 373507121472101
San Antonio C A Indian Creek Road near Sunol, CA
San Antonio C A Indian Creek Road near Sunol, CA is USGS streamgage 373507121472101 in California, monitoring river discharge in hydrologic subbasin 18050004. It drains a watershed of about 18 square miles. Discharge records at this site go back to 2019.
Gauge details
- State
- California
- Drainage area
- 18 sq mi
- Gauge elevation
- 511 ft
- Subbasin (HUC-8)
- 18050004
- Coordinates
- 37.58528, -121.78917
- USGS site number
- 373507121472101
- Records begin
- 2019-04-23 (7 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 7 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 9 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | — | 0.7 | — | |
| February | — | 1.4 | — | |
| March | — | 1.6 | — | |
| April | — | 0.9 | — | |
| May | — | 0.4 | — | |
| June | — | 0.1 | — | |
| October | — | 0 | — | |
| November | — | 0 | — | |
| December | — | 0.4 | — |
All values in cubic feet per second (cfs).
Common questions
- When does San Antonio C A Indian Creek Road near Sunol, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 1.6 cfs, against 0 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has San Antonio C A Indian Creek Road near Sunol, CA been measured?
- Discharge records at USGS site 373507121472101 begin in 2019, about 7 years, covering roughly 1,981 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is San Antonio C A Indian Creek Road near Sunol, CA?
- The gauge sits at 37.58528, -121.78917, in California, in hydrologic subbasin 18050004, at an elevation of about 511 feet, draining roughly 18 square miles.
- Can I use San Antonio C A Indian Creek Road near Sunol, 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.
Other gauges in this subbasin
- San Mateo C Ab Junction Box A Dam1 near Hillsborough
- San Mateo C below Junction Box A Dam1 near Hillsborough
- San Mateo C below Lo Crystal Sp Reservoir near San Mateo, CA
- Alameda C Ab Diversion Dam near Sunol, CA
- Alameda C below Diversion Dam near Sunol, CA
- Arroyo Hondo near San Jose, CA
- Calaveras C near Sunol, CA
- Alameda C below Calaveras C near Sunol, CA