Rivermatics

USGS Streamgage 11427750

Duncan Cyn C below Diversion Dam near French Meadows, CA

Duncan Cyn C below Diversion Dam near French Meadows, CA is USGS streamgage 11427750 in California, monitoring river discharge in hydrologic subbasin 18020128. It drains a watershed of about 11 square miles. Discharge records at this site go back to 1964. Typical flow runs near 2.5 cfs in July and 13.9 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
11 sq mi
Gauge elevation
5,232 ft
Subbasin (HUC-8)
18020128
Coordinates
39.13296, -120.48381
USGS site number
11427750
Records begin
1964-10-01 (62 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 61 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 3.2 11.2 29.8
February 5.2 12.4 29.3
March 6.5 14.2 29.8
April 7.1 13.9 46.3
May 6.7 12.6 108
June 3.2 8.4 30.2
July 0.9 2.5 8.1
August 0.4 1 2.6
September 0.4 0.8 1.8
October 0.5 1.1 4.3
November 1.1 3 12.8
December 2.1 7.2 22

All values in cubic feet per second (cfs).

Common questions

When does Duncan Cyn C below Diversion Dam near French Meadows, CA normally run highest?
March, on the long-term record. The median daily flow that month is about 14.2 cfs, against 0.8 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Duncan Cyn C below Diversion Dam near French Meadows, CA?
It depends on the month. In January, half of days historically fall near 11.2 cfs, with the middle 80% of days between 3.2 and 29.8 cfs. The month-by-month table on this page gives the full range.
How long has Duncan Cyn C below Diversion Dam near French Meadows, CA been measured?
Discharge records at USGS site 11427750 begin in 1964, about 62 years, covering roughly 8,821 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Duncan Cyn C below Diversion Dam near French Meadows, CA?
The gauge sits at 39.13296, -120.48381, in California, in hydrologic subbasin 18020128, at an elevation of about 5,232 feet, draining roughly 11 square miles.
Can I use Duncan Cyn C below Diversion Dam near French Meadows, 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