Rivermatics

USGS Streamgage 11295270

NF Stanislaus River below McKays Point Dam near Avery, CA

NF Stanislaus River below McKays Point Dam near Avery, CA is USGS streamgage 11295270 in California, monitoring river discharge in hydrologic subbasin 18040010. It drains a watershed of about 166 square miles. Discharge records at this site go back to 1989. Typical flow runs near 19.8 cfs in July and 18 cfs in April, with the higher of the two arriving in July.

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Gauge details

State
California
Drainage area
166 sq mi
Subbasin (HUC-8)
18040010
Coordinates
38.2327, -120.29353
USGS site number
11295270
Records begin
1989-08-01 (37 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 37 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 18 18.2 30.6
February 18 18 23.2
March 18 18 24.5
April 18 18 111.9
May 18 18.4 267
June 18 18.6 181.2
July 18 19.8 24.1
August 18 22.5 25.8
September 18.7 23.4 27.6
October 18.8 22.7 26.9
November 18 20 24.9
December 18 18.8 49.1

All values in cubic feet per second (cfs).

Common questions

When does NF Stanislaus River below McKays Point Dam near Avery, CA normally run highest?
September, on the long-term record. The median daily flow that month is about 23.4 cfs, against 18 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for NF Stanislaus River below McKays Point Dam near Avery, CA?
It depends on the month. In January, half of days historically fall near 18.2 cfs, with the middle 80% of days between 18 and 30.6 cfs. The month-by-month table on this page gives the full range.
How long has NF Stanislaus River below McKays Point Dam near Avery, CA been measured?
Discharge records at USGS site 11295270 begin in 1989, about 37 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 NF Stanislaus River below McKays Point Dam near Avery, CA?
The gauge sits at 38.2327, -120.29353, in California, in hydrologic subbasin 18040010, draining roughly 166 square miles.
Can I use NF Stanislaus River below McKays Point Dam near Avery, 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