USGS Streamgage 10257550
Whitewater River A Windy Pt near White Water, CA
Whitewater River A Windy Pt near White Water, CA is USGS streamgage 10257550 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 1984. Typical flow runs near 12.2 cfs in July and 26.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 264 sq mi
- Gauge elevation
- 1,027 ft
- Subbasin (HUC-8)
- 18100201
- Coordinates
- 33.89891, -116.62113
- USGS site number
- 10257550
- Records begin
- 1984-10-01 (42 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 42 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 0.1 | 6.5 | 302.4 | |
| February | 0 | 8.4 | 314.8 | |
| March | 0 | 15.9 | 365.7 | |
| April | 0 | 26.5 | 447.8 | |
| May | 0 | 21.5 | 537.6 | |
| June | 0 | 17 | 568.8 | |
| July | 0 | 12.2 | 584.9 | |
| August | 0 | 17.1 | 587.6 | |
| September | 0 | 62.5 | 542.4 | |
| October | 0 | 26.9 | 530.3 | |
| November | 0 | 30.2 | 542.2 | |
| December | 0 | 13.5 | 427 |
All values in cubic feet per second (cfs).
Common questions
- When does Whitewater River A Windy Pt near White Water, CA normally run highest?
- September, on the long-term record. The median daily flow that month is about 62.5 cfs, against 6.5 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 Pt near White Water, CA?
- It depends on the month. In January, half of days historically fall near 6.5 cfs, with the middle 80% of days between 0.1 and 302.4 cfs. The month-by-month table on this page gives the full range.
- How long has Whitewater River A Windy Pt near White Water, CA been measured?
- Discharge records at USGS site 10257550 begin in 1984, about 42 years, covering roughly 9,125 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Whitewater River A Windy Pt near White Water, CA?
- The gauge sits at 33.89891, -116.62113, in California, in hydrologic subbasin 18100201, at an elevation of about 1,027 feet, draining roughly 264 square miles.
- Can I use Whitewater River A Windy Pt near 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.