Rivermatics

USGS Streamgage 09457000

San Simon River near Solomon, Ariz.

San Simon River near Solomon, Ariz. is USGS streamgage 09457000 in Arizona, monitoring river discharge in hydrologic subbasin 15040006. It drains a watershed of about 2,192 square miles. Discharge records at this site go back to 1931. Typical flow runs near 0.1 cfs in July and 0 cfs in April, with the higher of the two arriving in July.

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Gauge details

State
Arizona
Drainage area
2,192 sq mi
Gauge elevation
2,962 ft
Subbasin (HUC-8)
15040006
Coordinates
32.80176, -109.63926
USGS site number
09457000
Records begin
1931-06-01 (95 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 95 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 0
February 0 0 0.3
March 0 0 0
April 0 0 0
May 0 0 0
June 0 0 0.2
July 0 0.1 91.3
August 0 0.3 209.7
September 0 0 44.8
October 0 0 3.4
November 0 0 0
December 0 0 0

All values in cubic feet per second (cfs).

Common questions

When does San Simon River near Solomon, Ariz. normally run highest?
August, on the long-term record. The median daily flow that month is about 0.3 cfs, against 0 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 San Simon River near Solomon, Ariz.?
It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 0 cfs. The month-by-month table on this page gives the full range.
How long has San Simon River near Solomon, Ariz. been measured?
Discharge records at USGS site 09457000 begin in 1931, about 95 years, covering roughly 1,468 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is San Simon River near Solomon, Ariz.?
The gauge sits at 32.80176, -109.63926, in Arizona, in hydrologic subbasin 15040006, at an elevation of about 2,962 feet, draining roughly 2,192 square miles.
Can I use San Simon River near Solomon, Ariz. 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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