Rivermatics

USGS Streamgage 10257548

Whitewater River A Windy Point Main Channel, CA

Whitewater River A Windy Point Main Channel, CA is USGS streamgage 10257548 in California, monitoring river discharge in hydrologic subbasin 18100201. It drains a watershed of about 264 square miles. Discharge records at this site go back to 1998. Typical flow runs near 9.5 cfs in July and 11 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
264 sq mi
Gauge elevation
1,040 ft
Subbasin (HUC-8)
18100201
Coordinates
33.8989, -116.62113
USGS site number
10257548
Records begin
1998-10-01 (28 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 28 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 2.7 277.6
February 0 3.2 237.6
March 0 3.7 410.6
April 0 11 488.8
May 0 10 586.7
June 0 7.6 602
July 0 9.5 607.4
August 0 9.7 602.6
September 0 44.1 576.6
October 0 16.1 549.3
November 0 17.7 572.1
December 0 19.3 432

All values in cubic feet per second (cfs).

Common questions

When does Whitewater River A Windy Point Main Channel, CA normally run highest?
September, on the long-term record. The median daily flow that month is about 44.1 cfs, against 2.7 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 Whitewater River A Windy Point Main Channel, CA?
It depends on the month. In January, half of days historically fall near 2.7 cfs, with the middle 80% of days between 0 and 277.6 cfs. The month-by-month table on this page gives the full range.
How long has Whitewater River A Windy Point Main Channel, CA been measured?
Discharge records at USGS site 10257548 begin in 1998, about 28 years, covering roughly 9,079 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Whitewater River A Windy Point Main Channel, CA?
The gauge sits at 33.8989, -116.62113, in California, in hydrologic subbasin 18100201, at an elevation of about 1,040 feet, draining roughly 264 square miles.
Can I use Whitewater River A Windy Point Main Channel, 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