Rivermatics

USGS Streamgage 11152050

Arroyo Seco below Reliz C near Soledad, CA

Arroyo Seco below Reliz C near Soledad, CA is USGS streamgage 11152050 in California, monitoring river discharge in hydrologic subbasin 18060005. It drains a watershed of about 304 square miles. Discharge records at this site go back to 1994. Typical flow runs near 0 cfs in July and 0.2 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
California
Drainage area
304 sq mi
Gauge elevation
166 ft
Subbasin (HUC-8)
18060005
Coordinates
36.39969, -121.3241
USGS site number
11152050
Records begin
1994-10-01 (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 0 2 1,571.1
February 0 35.8 1,591.3
March 0 66.5 968.7
April 0 0.2 398.5
May 0 0 75.3
June 0 0 1.5
July 0 0 0
August 0 0 0
September 0 0 0
October 0 0 0
November 0 0 0.5
December 0 0 314.7

All values in cubic feet per second (cfs).

Common questions

When does Arroyo Seco below Reliz C near Soledad, CA normally run highest?
March, on the long-term record. The median daily flow that month is about 66.5 cfs, against 0 cfs in May, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Arroyo Seco below Reliz C near Soledad, CA?
It depends on the month. In January, half of days historically fall near 2 cfs, with the middle 80% of days between 0 and 1,571.1 cfs. The month-by-month table on this page gives the full range.
How long has Arroyo Seco below Reliz C near Soledad, CA been measured?
Discharge records at USGS site 11152050 begin in 1994, about 32 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 Arroyo Seco below Reliz C near Soledad, CA?
The gauge sits at 36.39969, -121.3241, in California, in hydrologic subbasin 18060005, at an elevation of about 166 feet, draining roughly 304 square miles.
Can I use Arroyo Seco below Reliz C near Soledad, 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