Rivermatics

USGS Streamgage 11314500

NF Mokelumne River below Salt Springs Dam, CA

NF Mokelumne River below Salt Springs Dam, CA is USGS streamgage 11314500 in California, monitoring river discharge in hydrologic subbasin 18040012. It drains a watershed of about 170 square miles. Discharge records at this site go back to 1926. Typical flow runs near 34.5 cfs in July and 96.6 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
170 sq mi
Subbasin (HUC-8)
18040012
Coordinates
38.49352, -120.22103
USGS site number
11314500
Records begin
1926-10-01 (100 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 99 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 3.3 25.2 279.8
February 4.3 35.2 304.5
March 4.5 38.9 386.4
April 4.7 96.6 831.6
May 10.9 435.1 2,098.7
June 15 575.2 2,323.3
July 11.6 34.5 583.2
August 9.7 22.9 283.2
September 7.3 21.5 196.7
October 4.9 21.4 123.7
November 3.3 22.5 160.1
December 3 23.6 221.7

All values in cubic feet per second (cfs).

Common questions

When does NF Mokelumne River below Salt Springs Dam, CA normally run highest?
June, on the long-term record. The median daily flow that month is about 575.2 cfs, against 21.4 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 NF Mokelumne River below Salt Springs Dam, CA?
It depends on the month. In January, half of days historically fall near 25.2 cfs, with the middle 80% of days between 3.3 and 279.8 cfs. The month-by-month table on this page gives the full range.
How long has NF Mokelumne River below Salt Springs Dam, CA been measured?
Discharge records at USGS site 11314500 begin in 1926, about 100 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 NF Mokelumne River below Salt Springs Dam, CA?
The gauge sits at 38.49352, -120.22103, in California, in hydrologic subbasin 18040012, draining roughly 170 square miles.
Can I use NF Mokelumne River below Salt Springs 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