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. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

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)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Whitewater River A Windy Point Main Channel, CA. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
623 646 669
605 641 678
596 640 683
572 633 672
536 622 667
515 614 663
531 619 669
541 625 675
538 625 678
528 621 675
514 613 671
498 607 671
486 605 672
499 610 675

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

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 9,083 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Whitewater River A Windy Point Main Channel, CA?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
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