Rivermatics

USGS Streamgage 11055800

City C near Highland, CA

City C near Highland, CA is USGS streamgage 11055800 in California, monitoring river discharge in hydrologic subbasin 18070203. It drains a watershed of about 20 square miles. Discharge records at this site go back to 1919. Typical flow runs near 0.1 cfs in July and 7.1 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
20 sq mi
Gauge elevation
1,580 ft
Subbasin (HUC-8)
18070203
Coordinates
34.1439, -117.18864
USGS site number
11055800
Records begin
1919-10-01 (107 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for City C near Highland, 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
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0.1 0.1 0.1
0 0.1 0.1
0 0.1 0.1
0 0.1 0.1
0 0.1 0.2
0 0.1 0.2
0 0.1 0.4
0 0.1 0.2

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 107 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 0.3 5.2 26.9
February 1.1 7.5 53.6
March 1.2 8.5 70.5
April 0.6 7.1 44.6
May 0.2 3.2 22.7
June 0 1 11.4
July 0 0.1 5.7
August 0 0.1 2.8
September 0 0.1 2.8
October 0 0.3 3.7
November 0 1.4 6.7
December 0.2 3.4 15.6

All values in cubic feet per second (cfs).

Common questions

When does City C near Highland, CA normally run highest?
March, on the long-term record. The median daily flow that month is about 8.5 cfs, against 0.1 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for City C near Highland, CA?
It depends on the month. In January, half of days historically fall near 5.2 cfs, with the middle 80% of days between 0.3 and 26.9 cfs. The month-by-month table on this page gives the full range.
How long has City C near Highland, CA been measured?
Discharge records at USGS site 11055800 begin in 1919, about 107 years, covering roughly 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for City C near Highland, 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 City C near Highland, CA?
The gauge sits at 34.1439, -117.18864, in California, in hydrologic subbasin 18070203, at an elevation of about 1,580 feet, draining roughly 20 square miles.
Can I use City C near Highland, 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