Rivermatics

USGS Streamgage 11302000

Stanislaus River below Goodwin Dam near Knights Ferry, CA

Stanislaus River below Goodwin Dam near Knights Ferry, CA is USGS streamgage 11302000 in California, monitoring river discharge in hydrologic subbasin 18040010. It drains a watershed of about 986 square miles. Discharge records at this site go back to 1955. Typical flow runs near 296.4 cfs in July and 841 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
986 sq mi
Subbasin (HUC-8)
18040010
Coordinates
37.85159, -120.63798
USGS site number
11302000
Records begin
1955-12-23 (71 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 69 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 61.6 294.6 2,449.7
February 52.3 506.9 2,460.7
March 51.3 553.4 3,163.9
April 8.9 841 3,328
May 4.1 1,005.2 3,468.7
June 2.9 647.6 2,597
July 2.5 296.4 1,394.2
August 2.4 239.9 1,284.3
September 1.7 194.8 670.9
October 19.6 280.6 1,105.1
November 58.7 233.7 652.9
December 71.7 266.3 1,326.6

All values in cubic feet per second (cfs).

Common questions

When does Stanislaus River below Goodwin Dam near Knights Ferry, CA normally run highest?
May, on the long-term record. The median daily flow that month is about 1,005.2 cfs, against 194.8 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 Stanislaus River below Goodwin Dam near Knights Ferry, CA?
It depends on the month. In January, half of days historically fall near 294.6 cfs, with the middle 80% of days between 61.6 and 2,449.7 cfs. The month-by-month table on this page gives the full range.
How long has Stanislaus River below Goodwin Dam near Knights Ferry, CA been measured?
Discharge records at USGS site 11302000 begin in 1955, about 71 years, covering roughly 8,822 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Stanislaus River below Goodwin Dam near Knights Ferry, CA?
The gauge sits at 37.85159, -120.63798, in California, in hydrologic subbasin 18040010, draining roughly 986 square miles.
Can I use Stanislaus River below Goodwin Dam near Knights Ferry, 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