Rivermatics

USGS Streamgage 12094000

Carbon River near Fairfax, WA

Carbon River near Fairfax, WA is USGS streamgage 12094000 in Washington, monitoring river discharge in hydrologic subbasin 17110014. It drains a watershed of about 79 square miles. Discharge records at this site go back to 1910. Typical flow runs near 424.9 cfs in July and 341.8 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

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Gauge details

State
Washington
Drainage area
79 sq mi
Gauge elevation
1,277 ft
Subbasin (HUC-8)
17110014
Coordinates
47.02788, -122.03261
USGS site number
12094000
Records begin
1910-12-01 (116 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Carbon River near Fairfax, WA. 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
72.3 83.3 99.1
73.6 96.8 140
138 266 512
142 238 372
112 182 275
85.8 141 229
74.8 119 199
69 111 195
69.2 118 208
70.7 125 219
66.8 116 205
67.3 117 204
62.6 111 202
60.5 106 193

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 97 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 163.9 342 991.6
February 135.1 277.6 712
March 148.1 259.5 577.5
April 205.9 341.8 628.4
May 320.5 505.7 879.7
June 345.7 586.3 970
July 298.3 424.9 699.3
August 214.7 290.6 438.5
September 141 208.5 346.4
October 104.5 207.8 603.6
November 143.1 341.7 1,022.1
December 170 359.8 1,049

All values in cubic feet per second (cfs).

Common questions

When does Carbon River near Fairfax, WA normally run highest?
June, on the long-term record. The median daily flow that month is about 586.3 cfs, against 207.8 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Carbon River near Fairfax, WA?
It depends on the month. In January, half of days historically fall near 342 cfs, with the middle 80% of days between 163.9 and 991.6 cfs. The month-by-month table on this page gives the full range.
How long has Carbon River near Fairfax, WA been measured?
Discharge records at USGS site 12094000 begin in 1910, about 116 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Carbon River near Fairfax, WA?
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 Carbon River near Fairfax, WA?
The gauge sits at 47.02788, -122.03261, in Washington, in hydrologic subbasin 17110014, at an elevation of about 1,277 feet, draining roughly 79 square miles.
Can I use Carbon River near Fairfax, WA 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