Rivermatics

USGS Streamgage 09468500

San Carlos River near Peridot, AZ

San Carlos River near Peridot, AZ is USGS streamgage 09468500 in Arizona, monitoring river discharge in hydrologic subbasin 15040007. It drains a watershed of about 1,026 square miles. Discharge records at this site go back to 1914. Typical flow runs near 2.2 cfs in July and 8.9 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
Arizona
Drainage area
1,026 sq mi
Gauge elevation
2,544 ft
Subbasin (HUC-8)
15040007
Coordinates
33.29647, -110.45151
USGS site number
09468500
Records begin
1914-04-01 (112 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 97 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 6.6 16.8 158.8
February 7.6 20.4 250.6
March 5.6 21 184.5
April 1.6 8.9 41.2
May 0 3.3 16
June 0 0.7 8.1
July 0 2.2 37.6
August 0 7 103.2
September 0 4.8 29.9
October 0 4.9 20.6
November 0 7.7 23.7
December 3.9 12.6 86.7

All values in cubic feet per second (cfs).

Common questions

When does San Carlos River near Peridot, AZ normally run highest?
March, on the long-term record. The median daily flow that month is about 21 cfs, against 0.7 cfs in June, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for San Carlos River near Peridot, AZ?
It depends on the month. In January, half of days historically fall near 16.8 cfs, with the middle 80% of days between 6.6 and 158.8 cfs. The month-by-month table on this page gives the full range.
How long has San Carlos River near Peridot, AZ been measured?
Discharge records at USGS site 09468500 begin in 1914, about 112 years, covering roughly 8,928 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is San Carlos River near Peridot, AZ?
The gauge sits at 33.29647, -110.45151, in Arizona, in hydrologic subbasin 15040007, at an elevation of about 2,544 feet, draining roughly 1,026 square miles.
Can I use San Carlos River near Peridot, AZ 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.

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