Rivermatics

USGS Streamgage 11407815

M Yuba River Ctrl Rel Frm Jck.Mdw Reservoir near Sierra Cty, CA

M Yuba River Ctrl Rel Frm Jck.Mdw Reservoir near Sierra Cty, CA is USGS streamgage 11407815 in California, monitoring river discharge in hydrologic subbasin 18020125. It drains a watershed of about 38 square miles. Discharge records at this site go back to 1994. Typical flow runs near 127.1 cfs in July and 14.6 cfs in April, with the higher of the two arriving in July.

View live conditions →

Gauge details

State
California
Drainage area
38 sq mi
Gauge elevation
59 ft
Subbasin (HUC-8)
18020125
Coordinates
39.5099, -120.55521
USGS site number
11407815
Records begin
1994-07-19 (32 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 32 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 8.7 9.4 29.9
February 8.9 10 66.2
March 9.2 9.9 144.1
April 9.4 14.6 171.2
May 10.4 91.2 278.5
June 14.3 126.4 240
July 44.1 127.1 170.7
August 61.9 132.7 160.5
September 54.8 124.8 163.1
October 37.6 102.7 174.4
November 8.7 26.3 99.9
December 8.6 9.4 34.6

All values in cubic feet per second (cfs).

Common questions

When does M Yuba River Ctrl Rel Frm Jck.Mdw Reservoir near Sierra Cty, CA normally run highest?
August, on the long-term record. The median daily flow that month is about 132.7 cfs, against 9.4 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for M Yuba River Ctrl Rel Frm Jck.Mdw Reservoir near Sierra Cty, CA?
It depends on the month. In January, half of days historically fall near 9.4 cfs, with the middle 80% of days between 8.7 and 29.9 cfs. The month-by-month table on this page gives the full range.
How long has M Yuba River Ctrl Rel Frm Jck.Mdw Reservoir near Sierra Cty, CA been measured?
Discharge records at USGS site 11407815 begin in 1994, about 32 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 M Yuba River Ctrl Rel Frm Jck.Mdw Reservoir near Sierra Cty, CA?
The gauge sits at 39.5099, -120.55521, in California, in hydrologic subbasin 18020125, at an elevation of about 59 feet, draining roughly 38 square miles.
Can I use M Yuba River Ctrl Rel Frm Jck.Mdw Reservoir near Sierra Cty, 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