USGS Streamgage 11199500
White River near Ducor, CA
White River near Ducor, CA is USGS streamgage 11199500 in California, monitoring river discharge in hydrologic subbasin 18030005. It drains a watershed of about 93 square miles. Discharge records at this site go back to 1942. Typical flow runs near 0 cfs in July and 11.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 93 sq mi
- Gauge elevation
- 689 ft
- Subbasin (HUC-8)
- 18030005
- Coordinates
- 35.81458, -118.92832
- USGS site number
- 11199500
- Records begin
- 1942-10-01 (84 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 84 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 | 0.7 | 5.4 | 35.4 | |
| February | 2.3 | 8.2 | 46 | |
| March | 3.3 | 12.5 | 84.6 | |
| April | 2.6 | 11.8 | 56.6 | |
| May | 0.6 | 6.8 | 34.9 | |
| June | 0 | 1.8 | 12.4 | |
| July | 0 | 0 | 2.7 | |
| August | 0 | 0 | 0.1 | |
| September | 0 | 0 | 0.1 | |
| October | 0 | 0 | 1.1 | |
| November | 0 | 0.6 | 5.9 | |
| December | 0 | 3.2 | 16.1 |
All values in cubic feet per second (cfs).
Common questions
- When does White River near Ducor, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 12.5 cfs, against 0 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for White River near Ducor, CA?
- It depends on the month. In January, half of days historically fall near 5.4 cfs, with the middle 80% of days between 0.7 and 35.4 cfs. The month-by-month table on this page gives the full range.
- How long has White River near Ducor, CA been measured?
- Discharge records at USGS site 11199500 begin in 1942, about 84 years, covering roughly 1,888 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is White River near Ducor, CA?
- The gauge sits at 35.81458, -118.92832, in California, in hydrologic subbasin 18030005, at an elevation of about 689 feet, draining roughly 93 square miles.
- Can I use White River near Ducor, 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.