Rivermatics

USGS Streamgage 11049500

Sce Santa Ana River Cn Ab Pp3 near Mentone, CA

Sce Santa Ana River Cn Ab Pp3 near Mentone, CA is USGS streamgage 11049500 in California, monitoring river discharge in hydrologic subbasin 18070203. Discharge records at this site go back to 1974. Typical flow runs near 18.4 cfs in July and 34.1 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Subbasin (HUC-8)
18070203
Coordinates
34.11362, -117.09642
USGS site number
11049500
Records begin
1974-10-01 (52 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 51 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 24 50.4
February 0 25.8 64.5
March 0 31.4 67.5
April 0 34.1 76.7
May 1.9 32.1 75.7
June 4.1 25.2 74.7
July 1.6 18.4 73.5
August 3.8 18.1 64.2
September 1.6 18.3 58.5
October 2.8 19.5 51.9
November 2.2 21.6 47.6
December 0.5 22.6 45.8

All values in cubic feet per second (cfs).

Common questions

When does Sce Santa Ana River Cn Ab Pp3 near Mentone, CA normally run highest?
April, on the long-term record. The median daily flow that month is about 34.1 cfs, against 18.1 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Sce Santa Ana River Cn Ab Pp3 near Mentone, CA?
It depends on the month. In January, half of days historically fall near 24 cfs, with the middle 80% of days between 0 and 50.4 cfs. The month-by-month table on this page gives the full range.
How long has Sce Santa Ana River Cn Ab Pp3 near Mentone, CA been measured?
Discharge records at USGS site 11049500 begin in 1974, about 52 years, covering roughly 9,003 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Sce Santa Ana River Cn Ab Pp3 near Mentone, CA?
The gauge sits at 34.11362, -117.09642, in California, in hydrologic subbasin 18070203.
Can I use Sce Santa Ana River Cn Ab Pp3 near Mentone, 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