Rivermatics

USGS Streamgage 11441500

SF Silver C near Ice House, CA

SF Silver C near Ice House, CA is USGS streamgage 11441500 in California, monitoring river discharge in hydrologic subbasin 18020129. It drains a watershed of about 28 square miles. Discharge records at this site go back to 1924. Typical flow runs near 19.9 cfs in July and 21.5 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
28 sq mi
Gauge elevation
5,290 ft
Subbasin (HUC-8)
18020129
Coordinates
38.8188, -120.3652
USGS site number
11441500
Records begin
1924-10-01 (102 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 101 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 3.9 7.9 89
February 4.1 11.1 94.6
March 4.3 10.1 93.3
April 4.4 21.5 215.6
May 6.2 70.3 429.5
June 6.2 57.9 327.7
July 5.5 19.9 98.5
August 1.9 12.5 57.5
September 0.8 10 56.8
October 1.1 10.9 120.5
November 3.4 8.4 92.2
December 4.6 7.2 73.5

All values in cubic feet per second (cfs).

Common questions

When does SF Silver C near Ice House, CA normally run highest?
May, on the long-term record. The median daily flow that month is about 70.3 cfs, against 7.2 cfs in December, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for SF Silver C near Ice House, CA?
It depends on the month. In January, half of days historically fall near 7.9 cfs, with the middle 80% of days between 3.9 and 89 cfs. The month-by-month table on this page gives the full range.
How long has SF Silver C near Ice House, CA been measured?
Discharge records at USGS site 11441500 begin in 1924, about 102 years, covering roughly 8,820 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is SF Silver C near Ice House, CA?
The gauge sits at 38.8188, -120.3652, in California, in hydrologic subbasin 18020129, at an elevation of about 5,290 feet, draining roughly 28 square miles.
Can I use SF Silver C near Ice House, 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