Rivermatics

USGS Streamgage 10338500

Donner C A Donner Lake near Truckee, CA

Donner C A Donner Lake near Truckee, CA is USGS streamgage 10338500 in California, monitoring river discharge in hydrologic subbasin 16050102. It drains a watershed of about 14 square miles. Discharge records at this site go back to 1909. Typical flow runs near 3.9 cfs in July and 40.1 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
14 sq mi
Gauge elevation
5,929 ft
Subbasin (HUC-8)
16050102
Coordinates
39.32352, -120.23437
USGS site number
10338500
Records begin
1909-11-25 (117 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 98 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 0 17.5 84.3
February 0 22.4 80.1
March 0.1 31.4 93.4
April 0.8 40.1 127.7
May 1.9 63.7 205.8
June 1.5 23.5 119.9
July 0.1 3.9 26.2
August 0.1 3 17.1
September 0 12.4 82.2
October 0 13.3 90
November 0 14.2 67.1
December 0 13.7 70.5

All values in cubic feet per second (cfs).

Common questions

When does Donner C A Donner Lake near Truckee, CA normally run highest?
May, on the long-term record. The median daily flow that month is about 63.7 cfs, against 3 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 Donner C A Donner Lake near Truckee, CA?
It depends on the month. In January, half of days historically fall near 17.5 cfs, with the middle 80% of days between 0 and 84.3 cfs. The month-by-month table on this page gives the full range.
How long has Donner C A Donner Lake near Truckee, CA been measured?
Discharge records at USGS site 10338500 begin in 1909, about 117 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Donner C A Donner Lake near Truckee, CA?
The gauge sits at 39.32352, -120.23437, in California, in hydrologic subbasin 16050102, at an elevation of about 5,929 feet, draining roughly 14 square miles.
Can I use Donner C A Donner Lake near Truckee, 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