Rivermatics

USGS Streamgage 11293462

Silver C below Lake Alpine near Bear Valley, CA

Silver C below Lake Alpine near Bear Valley, CA is USGS streamgage 11293462 in California, monitoring river discharge in hydrologic subbasin 18040010. It drains a watershed of about 5 square miles. Discharge records at this site go back to 2005. Typical flow runs near 6.2 cfs in July and 6.7 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
5 sq mi
Gauge elevation
7,260 ft
Subbasin (HUC-8)
18040010
Coordinates
38.47083, -120.005
USGS site number
11293462
Records begin
2005-10-01 (21 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 20 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 5.6 6.3 7.1
February 5.6 6.5 7.5
March 5.8 6.3 7.8
April 5.8 6.7 10.5
May 4.5 6.6 11.9
June 3.8 6.3 10.2
July 4 6.2 7.1
August 4 6.2 7.4
September 4.1 6.1 7.8
October 4.5 6.3 8.4
November 4.5 6.2 7.4
December 5 6.3 7.1

All values in cubic feet per second (cfs).

Common questions

When does Silver C below Lake Alpine near Bear Valley, CA normally run highest?
April, on the long-term record. The median daily flow that month is about 6.7 cfs, against 6.1 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 Silver C below Lake Alpine near Bear Valley, CA?
It depends on the month. In January, half of days historically fall near 6.3 cfs, with the middle 80% of days between 5.6 and 7.1 cfs. The month-by-month table on this page gives the full range.
How long has Silver C below Lake Alpine near Bear Valley, CA been measured?
Discharge records at USGS site 11293462 begin in 2005, about 21 years, covering roughly 6,775 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Silver C below Lake Alpine near Bear Valley, CA?
The gauge sits at 38.47083, -120.005, in California, in hydrologic subbasin 18040010, at an elevation of about 7,260 feet, draining roughly 5 square miles.
Can I use Silver C below Lake Alpine near Bear Valley, 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