Rivermatics

USGS Streamgage 11315900

Bear River below Lo Bear River Dam, CA

Bear River below Lo Bear River Dam, CA is USGS streamgage 11315900 in California, monitoring river discharge in hydrologic subbasin 18040012. It drains a watershed of about 37 square miles. Discharge records at this site go back to 1987. Typical flow runs near 7.4 cfs in July and 19.1 cfs in April, with the higher of the two arriving in April.

View live conditions →

Gauge details

State
California
Drainage area
37 sq mi
Gauge elevation
5,530 ft
Subbasin (HUC-8)
18040012
Coordinates
38.5363, -120.25769
USGS site number
11315900
Records begin
1987-12-03 (39 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 38 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 2.9 6.3 23
February 3.1 9.2 19.7
March 3.2 14.5 41.3
April 3 19.1 69.1
May 3 23.1 124.5
June 3.5 11.9 68.5
July 3.9 7.4 41.3
August 4.3 5.7 19.9
September 4 5.2 10.3
October 3.9 5.1 10.3
November 2.8 6.1 18.6
December 2.7 6.2 18.4

All values in cubic feet per second (cfs).

Common questions

When does Bear River below Lo Bear River Dam, CA normally run highest?
May, on the long-term record. The median daily flow that month is about 23.1 cfs, against 5.1 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Bear River below Lo Bear River Dam, CA?
It depends on the month. In January, half of days historically fall near 6.3 cfs, with the middle 80% of days between 2.9 and 23 cfs. The month-by-month table on this page gives the full range.
How long has Bear River below Lo Bear River Dam, CA been measured?
Discharge records at USGS site 11315900 begin in 1987, about 39 years, covering roughly 8,307 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Bear River below Lo Bear River Dam, CA?
The gauge sits at 38.5363, -120.25769, in California, in hydrologic subbasin 18040012, at an elevation of about 5,530 feet, draining roughly 37 square miles.
Can I use Bear River below Lo Bear River Dam, 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