Rivermatics

USGS Streamgage 11298000

SF Stanislaus River near Long Barn, CA

SF Stanislaus River near Long Barn, CA is USGS streamgage 11298000 in California, monitoring river discharge in hydrologic subbasin 18040010. It drains a watershed of about 67 square miles. Discharge records at this site go back to 1937. Typical flow runs near 3.5 cfs in July and 57.3 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
67 sq mi
Gauge elevation
4,073 ft
Subbasin (HUC-8)
18040010
Coordinates
38.09242, -120.1688
USGS site number
11298000
Records begin
1937-10-01 (89 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 88 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 1.5 2.8 110.2
February 1.9 4.9 128.8
March 1.7 15.1 194.4
April 2 57.3 288
May 17 284.7 846.1
June 5.1 194.3 807.1
July 1.7 3.5 188.3
August 1.4 2.4 6.5
September 1.4 2.4 6.2
October 1.3 2.4 7.6
November 1.2 2.4 11.7
December 1.4 2.6 33.9

All values in cubic feet per second (cfs).

Common questions

When does SF Stanislaus River near Long Barn, CA normally run highest?
May, on the long-term record. The median daily flow that month is about 284.7 cfs, against 2.4 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 SF Stanislaus River near Long Barn, CA?
It depends on the month. In January, half of days historically fall near 2.8 cfs, with the middle 80% of days between 1.5 and 110.2 cfs. The month-by-month table on this page gives the full range.
How long has SF Stanislaus River near Long Barn, CA been measured?
Discharge records at USGS site 11298000 begin in 1937, about 89 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 SF Stanislaus River near Long Barn, CA?
The gauge sits at 38.09242, -120.1688, in California, in hydrologic subbasin 18040010, at an elevation of about 4,073 feet, draining roughly 67 square miles.
Can I use SF Stanislaus River near Long Barn, 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