Rivermatics

USGS Streamgage 11467000

Russian River A Hacienda Bridge near Guerneville, CA

Russian River A Hacienda Bridge near Guerneville, CA is USGS streamgage 11467000 in California, monitoring river discharge in hydrologic subbasin 18010110. It drains a watershed of about 1,338 square miles. Discharge records at this site go back to 1939. Typical flow runs near 164.5 cfs in July and 1,156.9 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, alongside daily high and low water-temperature forecasts.

View live conditions & forecast →

Gauge details

State
California
Drainage area
1,338 sq mi
Gauge elevation
22 ft
Subbasin (HUC-8)
18010110
Coordinates
38.50848, -122.92773
USGS site number
11467000
Records begin
1939-10-01 (87 years)
Rivermatics forecast
14-day flow outlook + water temperature

14-day flow forecast

Based on observations through for Russian River A Hacienda Bridge near Guerneville, 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
101 105 110
98.8 107 118
97.4 108 125
95.7 108 127
95.1 109 132
94.3 110 135
93.3 109 130
91.9 107 128
89.9 106 127
88.6 107 130
89.9 109 133
90.9 111 138
90.3 110 136
89.6 110 137

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 87 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 365.1 2,167.7 18,148.4
February 528.2 2,753.4 17,417.2
March 563.9 2,337.4 11,187.4
April 373.3 1,156.9 4,774.3
May 182.7 522.4 1,308.4
June 103.9 245.5 547.3
July 90.7 164.5 250.5
August 94 155.1 219.2
September 99.7 160.2 250.3
October 108.7 197.1 380.4
November 156.5 318.5 2,271.9
December 221 957.3 10,853.5

All values in cubic feet per second (cfs).

Common questions

When does Russian River A Hacienda Bridge near Guerneville, CA normally run highest?
February, on the long-term record. The median daily flow that month is about 2,753.4 cfs, against 155.1 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 Russian River A Hacienda Bridge near Guerneville, CA?
It depends on the month. In January, half of days historically fall near 2,167.7 cfs, with the middle 80% of days between 365.1 and 18,148.4 cfs. The month-by-month table on this page gives the full range.
How long has Russian River A Hacienda Bridge near Guerneville, CA been measured?
Discharge records at USGS site 11467000 begin in 1939, about 87 years, covering roughly 9,131 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Russian River A Hacienda Bridge near Guerneville, 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. A companion model forecasts each day's water-temperature high and low. 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 Russian River A Hacienda Bridge near Guerneville, CA?
The gauge sits at 38.50848, -122.92773, in California, in hydrologic subbasin 18010110, at an elevation of about 22 feet, draining roughly 1,338 square miles.
Can I use Russian River A Hacienda Bridge near Guerneville, 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