Rivermatics

USGS Streamgage 11421000

Yuba River near Marysville, CA

Yuba River near Marysville, CA is USGS streamgage 11421000 in California, monitoring river discharge in hydrologic subbasin 18020125. It drains a watershed of about 1,339 square miles. Discharge records at this site go back to 1943. Typical flow runs near 1,206.8 cfs in July and 2,031.7 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
1,339 sq mi
Gauge elevation
1 ft
Subbasin (HUC-8)
18020125
Coordinates
39.17573, -121.52496
USGS site number
11421000
Records begin
1943-01-22 (83 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 57 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 585.8 1,607.4 7,734.5
February 692.6 2,025.9 9,232.1
March 685.4 2,781.9 9,979
April 438.8 2,031.7 6,863.7
May 332.3 1,566.8 6,894.8
June 301.7 1,066.4 5,158.7
July 236.7 1,206.8 2,560.3
August 366.3 1,265 2,436.1
September 378.2 641.8 2,567.3
October 402.2 641 2,007.4
November 440 647 2,524
December 505.8 976.6 4,976.8

All values in cubic feet per second (cfs).

Common questions

When does Yuba River near Marysville, CA normally run highest?
March, on the long-term record. The median daily flow that month is about 2,781.9 cfs, against 641 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Yuba River near Marysville, CA?
It depends on the month. In January, half of days historically fall near 1,607.4 cfs, with the middle 80% of days between 585.8 and 7,734.5 cfs. The month-by-month table on this page gives the full range.
How long has Yuba River near Marysville, CA been measured?
Discharge records at USGS site 11421000 begin in 1943, about 83 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 Yuba River near Marysville, CA?
The gauge sits at 39.17573, -121.52496, in California, in hydrologic subbasin 18020125, at an elevation of about 1 feet, draining roughly 1,339 square miles.
Can I use Yuba River near Marysville, 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