Rivermatics

USGS Streamgage 11354500

Fall River A Fall River Mills, CA

Fall River A Fall River Mills, CA is USGS streamgage 11354500 in California, monitoring river discharge in hydrologic subbasin 18020003. It drains a watershed of about 743 square miles. Discharge records at this site go back to 1912. Typical flow runs near 239.2 cfs in July and 139.7 cfs in April, with the higher of the two arriving in July.

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Gauge details

State
California
Drainage area
743 sq mi
Gauge elevation
3,300 ft
Subbasin (HUC-8)
18020003
Coordinates
41.0075, -121.44694
USGS site number
11354500
Records begin
1912-04-01 (114 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 114 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 98.3 110.4 1,285.2
February 97 112 1,311.1
March 95.3 117.1 1,398.1
April 99.1 139.7 1,466
May 109.7 141.2 1,510.3
June 192.7 232.7 1,378.7
July 205.5 239.2 1,362.9
August 204.5 232.6 1,339.7
September 204.4 245.1 1,300
October 209 358 1,210.6
November 114.9 139.7 1,244.3
December 99.1 115 1,280.6

All values in cubic feet per second (cfs).

Common questions

When does Fall River A Fall River Mills, CA normally run highest?
October, on the long-term record. The median daily flow that month is about 358 cfs, against 110.4 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 Fall River A Fall River Mills, CA?
It depends on the month. In January, half of days historically fall near 110.4 cfs, with the middle 80% of days between 98.3 and 1,285.2 cfs. The month-by-month table on this page gives the full range.
How long has Fall River A Fall River Mills, CA been measured?
Discharge records at USGS site 11354500 begin in 1912, about 114 years, covering roughly 5,444 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Fall River A Fall River Mills, CA?
The gauge sits at 41.0075, -121.44694, in California, in hydrologic subbasin 18020003, at an elevation of about 3,300 feet, draining roughly 743 square miles.
Can I use Fall River A Fall River Mills, 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