Rivermatics

USGS Streamgage 11298650

Angels C below Murphys Afterbay near Murphys, CA

Angels C below Murphys Afterbay near Murphys, CA is USGS streamgage 11298650 in California, monitoring river discharge in hydrologic subbasin 18040010. It drains a watershed of about 2 square miles. Discharge records at this site go back to 2005. Typical flow runs near 31.6 cfs in July and 32.5 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
2 sq mi
Gauge elevation
2,480 ft
Subbasin (HUC-8)
18040010
Coordinates
38.15139, -120.44028
USGS site number
11298650
Records begin
2005-10-01 (21 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 20 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 13.9 30 46.2
February 15 29.3 44
March 18.2 30.4 48.6
April 11.4 32.5 50.7
May 16.6 34.8 53.1
June 16.3 33.4 46.6
July 17.8 31.6 39.2
August 17.4 31.5 40.2
September 18 31.3 40.9
October 8.6 27.6 47.2
November 1.1 12.2 38.2
December 8.1 28 47.8

All values in cubic feet per second (cfs).

Common questions

When does Angels C below Murphys Afterbay near Murphys, CA normally run highest?
May, on the long-term record. The median daily flow that month is about 34.8 cfs, against 12.2 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Angels C below Murphys Afterbay near Murphys, CA?
It depends on the month. In January, half of days historically fall near 30 cfs, with the middle 80% of days between 13.9 and 46.2 cfs. The month-by-month table on this page gives the full range.
How long has Angels C below Murphys Afterbay near Murphys, CA been measured?
Discharge records at USGS site 11298650 begin in 2005, about 21 years, covering roughly 7,304 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Where is Angels C below Murphys Afterbay near Murphys, CA?
The gauge sits at 38.15139, -120.44028, in California, in hydrologic subbasin 18040010, at an elevation of about 2,480 feet, draining roughly 2 square miles.
Can I use Angels C below Murphys Afterbay near Murphys, 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