USGS Streamgage 11120500
San Jose C near Goleta, CA
San Jose C near Goleta, CA is USGS streamgage 11120500 in California, monitoring river discharge in hydrologic subbasin 18060013. It drains a watershed of about 6 square miles. Discharge records at this site go back to 1941. Typical flow runs near 0.1 cfs in July and 0.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 6 sq mi
- Gauge elevation
- 98 ft
- Subbasin (HUC-8)
- 18060013
- Coordinates
- 34.45915, -119.80899
- USGS site number
- 11120500
- Records begin
- 1941-01-01 (85 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 86 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 | 0.1 | 0.6 | 8.9 | |
| February | 0.1 | 0.8 | 19.4 | |
| March | 0.2 | 0.9 | 14.6 | |
| April | 0.1 | 0.6 | 5.5 | |
| May | 0 | 0.4 | 1.7 | |
| June | 0 | 0.2 | 0.9 | |
| July | 0 | 0.1 | 0.5 | |
| August | 0 | 0.1 | 0.4 | |
| September | 0 | 0 | 0.3 | |
| October | 0 | 0.1 | 0.4 | |
| November | 0 | 0.2 | 0.9 | |
| December | 0 | 0.3 | 3 |
All values in cubic feet per second (cfs).
Common questions
- When does San Jose C near Goleta, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 0.9 cfs, against 0 cfs in September, 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 Jose C near Goleta, CA?
- It depends on the month. In January, half of days historically fall near 0.6 cfs, with the middle 80% of days between 0.1 and 8.9 cfs. The month-by-month table on this page gives the full range.
- How long has San Jose C near Goleta, CA been measured?
- Discharge records at USGS site 11120500 begin in 1941, about 85 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 Jose C near Goleta, CA?
- The gauge sits at 34.45915, -119.80899, in California, in hydrologic subbasin 18060013, at an elevation of about 98 feet, draining roughly 6 square miles.
- Can I use San Jose C near Goleta, 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 Pedro C A Goleta, CA
- Jalama C near Lompoc, CA
- Carpinteria C near Carpinteria, CA
- Mission C A Rocky Nook Park A Santa Barbara, CA
- Mission C near Mission St near Santa Barbara, CA
- Mission C below W Gutierrez St Br A Santa Barbara, CA
- Maria Ygnacio C A University Drive near Goleta, CA
- Atascadero C near Goleta, CA