Rivermatics

USGS Streamgage 10256000

Whitewater River A White Water, CA

Whitewater River A White Water, CA is USGS streamgage 10256000 in California, monitoring river discharge in hydrologic subbasin 18100201. It drains a watershed of about 58 square miles. Discharge records at this site go back to 1938. Typical flow runs near 7.9 cfs in July and 9.6 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
58 sq mi
Gauge elevation
1,610 ft
Subbasin (HUC-8)
18100201
Coordinates
33.94668, -116.64085
USGS site number
10256000
Records begin
1938-03-02 (88 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 31 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 2.6 6.9 31.8
February 3.2 7 34.8
March 3.4 8.2 49.5
April 3.9 9.6 74
May 3.6 8 55.4
June 3.6 8 38.6
July 3.3 7.9 36.6
August 2.7 8.2 37.9
September 2.3 8.3 31.8
October 3.7 7.5 25.4
November 3.9 7.1 29.5
December 2.9 7.1 29.5

All values in cubic feet per second (cfs).

Common questions

When does Whitewater River A White Water, CA normally run highest?
April, on the long-term record. The median daily flow that month is about 9.6 cfs, against 6.9 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 White Water, CA?
It depends on the month. In January, half of days historically fall near 6.9 cfs, with the middle 80% of days between 2.6 and 31.8 cfs. The month-by-month table on this page gives the full range.
How long has Whitewater River A White Water, CA been measured?
Discharge records at USGS site 10256000 begin in 1938, about 88 years. The long record is what makes the monthly percentiles on this page meaningful.
Where is Whitewater River A White Water, CA?
The gauge sits at 33.94668, -116.64085, in California, in hydrologic subbasin 18100201, at an elevation of about 1,610 feet, draining roughly 58 square miles.
Can I use Whitewater River A White Water, 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