Rivermatics

USGS Streamgage 11289000

Modesto Cn near La Grange, CA

Modesto Cn near La Grange, CA is USGS streamgage 11289000 in California, monitoring river discharge in hydrologic subbasin 18040009. Discharge records at this site go back to 1909. Typical flow runs near 782.5 cfs in July and 583.6 cfs in April, with the higher of the two arriving in July.

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Gauge details

State
California
Gauge elevation
270 ft
Subbasin (HUC-8)
18040009
Coordinates
37.67241, -120.47488
USGS site number
11289000
Records begin
1909-01-01 (117 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 118 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 0.6 201.3
February 0 4.1 300.5
March 5.4 212.4 692.6
April 192.1 583.6 1,025.8
May 376.5 751.1 1,206.1
June 498.6 843 1,219
July 419.5 782.5 1,140.6
August 158.2 704.2 973.5
September 48.8 483.2 771.9
October 0.1 216.7 600.2
November 0 8 355
December 0 0.6 277.2

All values in cubic feet per second (cfs).

Common questions

When does Modesto Cn near La Grange, CA normally run highest?
June, on the long-term record. The median daily flow that month is about 843 cfs, against 0.6 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Modesto Cn near La Grange, 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 and 201.3 cfs. The month-by-month table on this page gives the full range.
How long has Modesto Cn near La Grange, CA been measured?
Discharge records at USGS site 11289000 begin in 1909, about 117 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 Modesto Cn near La Grange, CA?
The gauge sits at 37.67241, -120.47488, in California, in hydrologic subbasin 18040009, at an elevation of about 270 feet.
Can I use Modesto Cn near La Grange, 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