Rivermatics

USGS Streamgage 09530500

Drain 8-B near Winterhaven, CA

Drain 8-B near Winterhaven, CA is USGS streamgage 09530500 in California, monitoring river discharge in hydrologic subbasin 15030107. Discharge records at this site go back to 1979. Typical flow runs near 10 cfs in July and 10.2 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Gauge elevation
113 ft
Subbasin (HUC-8)
15030107
Coordinates
32.74689, -114.69408
USGS site number
09530500
Records begin
1979-10-01 (47 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 47 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 5.6 9.2 12.4
February 5 8.7 11.7
March 4.8 9.2 11.9
April 5 10.2 13.2
May 5.5 10.9 14.3
June 5.6 10 13.4
July 6.4 10 14
August 7.2 11.2 14.9
September 8 12.2 15.4
October 8 13.4 17.6
November 7.5 12.8 16.9
December 6.2 10.6 13.2

All values in cubic feet per second (cfs).

Common questions

When does Drain 8-B near Winterhaven, CA normally run highest?
October, on the long-term record. The median daily flow that month is about 13.4 cfs, against 8.7 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Drain 8-B near Winterhaven, CA?
It depends on the month. In January, half of days historically fall near 9.2 cfs, with the middle 80% of days between 5.6 and 12.4 cfs. The month-by-month table on this page gives the full range.
How long has Drain 8-B near Winterhaven, CA been measured?
Discharge records at USGS site 09530500 begin in 1979, about 47 years, covering roughly 8,761 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Drain 8-B near Winterhaven, CA?
The gauge sits at 32.74689, -114.69408, in California, in hydrologic subbasin 15030107, at an elevation of about 113 feet.
Can I use Drain 8-B near Winterhaven, 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