Rivermatics

USGS Streamgage 11120000

Atascadero C near Goleta, CA

Atascadero C near Goleta, CA is USGS streamgage 11120000 in California, monitoring river discharge in hydrologic subbasin 18060013. It drains a watershed of about 19 square miles. Discharge records at this site go back to 1941. Typical flow runs near 0 cfs in July and 0.2 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
19 sq mi
Gauge elevation
13 ft
Subbasin (HUC-8)
18060013
Coordinates
34.42471, -119.81177
USGS site number
11120000
Records begin
1941-10-01 (85 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 85 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 0 0.3 22.7
February 0 0.4 41.3
March 0 0.5 36
April 0 0.2 9.5
May 0 0.1 2.3
June 0 0 0.6
July 0 0 0.2
August 0 0 0.2
September 0 0 0.2
October 0 0 0.3
November 0 0 1.2
December 0 0.1 6.9

All values in cubic feet per second (cfs).

Common questions

When does Atascadero C near Goleta, CA normally run highest?
March, on the long-term record. The median daily flow that month is about 0.5 cfs, against 0 cfs in June, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Atascadero C near Goleta, CA?
It depends on the month. In January, half of days historically fall near 0.3 cfs, with the middle 80% of days between 0 and 22.7 cfs. The month-by-month table on this page gives the full range.
How long has Atascadero C near Goleta, CA been measured?
Discharge records at USGS site 11120000 begin in 1941, about 85 years, covering roughly 8,898 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Atascadero C near Goleta, CA?
The gauge sits at 34.42471, -119.81177, in California, in hydrologic subbasin 18060013, at an elevation of about 13 feet, draining roughly 19 square miles.
Can I use Atascadero 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