Rivermatics

USGS Streamgage 11414250

S Yuba River A Langs Crossing near Emigrant Gap, CA

S Yuba River A Langs Crossing near Emigrant Gap, CA is USGS streamgage 11414250 in California, monitoring river discharge in hydrologic subbasin 18020125. It drains a watershed of about 120 square miles. Discharge records at this site go back to 1965. Typical flow runs near 8.3 cfs in July and 17.7 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
120 sq mi
Subbasin (HUC-8)
18020125
Coordinates
39.31851, -120.65771
USGS site number
11414250
Records begin
1965-12-01 (61 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 60 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 5.8 13.2 80.4
February 6.9 16 135.2
March 7.8 19.7 116.1
April 6.7 17.7 752.8
May 6.2 38.9 1,530
June 6 29.3 1,386
July 5.5 8.3 149
August 5.1 6.8 11
September 5.3 7.1 12
October 5.2 7.1 13.7
November 5.6 8.6 24.6
December 5.7 10.4 71.3

All values in cubic feet per second (cfs).

Common questions

When does S Yuba River A Langs Crossing near Emigrant Gap, CA normally run highest?
May, on the long-term record. The median daily flow that month is about 38.9 cfs, against 6.8 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for S Yuba River A Langs Crossing near Emigrant Gap, CA?
It depends on the month. In January, half of days historically fall near 13.2 cfs, with the middle 80% of days between 5.8 and 80.4 cfs. The month-by-month table on this page gives the full range.
How long has S Yuba River A Langs Crossing near Emigrant Gap, CA been measured?
Discharge records at USGS site 11414250 begin in 1965, about 61 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 S Yuba River A Langs Crossing near Emigrant Gap, CA?
The gauge sits at 39.31851, -120.65771, in California, in hydrologic subbasin 18020125, draining roughly 120 square miles.
Can I use S Yuba River A Langs Crossing near Emigrant Gap, 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