Rivermatics

USGS Streamgage 11169800

Coyote C near Gilroy, CA

Coyote C near Gilroy, CA is USGS streamgage 11169800 in California, monitoring river discharge in hydrologic subbasin 18050003. It sits on the Coyote C, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 109 square miles. Discharge records at this site go back to 1960. Typical flow runs near 0.3 cfs in July and 13.7 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
California
Drainage area
109 sq mi
Gauge elevation
790 ft
Subbasin (HUC-8)
18050003
Coordinates
37.07769, -121.49434
USGS site number
11169800
Records begin
1960-10-01 (66 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Coyote C near Gilroy, CA. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 66 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 0.4 11.4 485.1
February 2.1 18.7 474.2
March 2.4 27.6 320.7
April 1.3 13.7 164.1
May 0.6 3.7 24.5
June 0.2 1 7.3
July 0 0.3 1.6
August 0 0 0.4
September 0 0 0.1
October 0 0 0
November 0 0 6.6
December 0 2.2 120.4

All values in cubic feet per second (cfs).

Common questions

When does Coyote C near Gilroy, CA normally run highest?
March, on the long-term record. The median daily flow that month is about 27.6 cfs, against 0 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 Coyote C near Gilroy, CA?
It depends on the month. In January, half of days historically fall near 11.4 cfs, with the middle 80% of days between 0.4 and 485.1 cfs. The month-by-month table on this page gives the full range.
How long has Coyote C near Gilroy, CA been measured?
Discharge records at USGS site 11169800 begin in 1960, about 66 years, covering roughly 7,979 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Coyote C near Gilroy, CA?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Coyote C near Gilroy, CA?
The gauge sits at 37.07769, -121.49434, in California, in hydrologic subbasin 18050003, at an elevation of about 790 feet, draining roughly 109 square miles.
Can I use Coyote C near Gilroy, 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.

Upstream and downstream on the Coyote C

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Coyote C in full.

Other gauges in this subbasin