Rivermatics

USGS Streamgage 06915800

Marais Des Cygnes River at La Cygne, KS

Marais Des Cygnes River at La Cygne, KS is USGS streamgage 06915800 in Kansas, monitoring river discharge in hydrologic subbasin 10290102. It sits on the Marais Des Cygnes River, alongside 5 other gauges Rivermatics tracks on the same river. It drains a watershed of about 2,669 square miles. Discharge records at this site go back to 1984. Typical flow runs near 507.1 cfs in July and 1,011.4 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
Kansas
Drainage area
2,669 sq mi
Gauge elevation
813 ft
Subbasin (HUC-8)
10290102
Coordinates
38.3453, -94.77246
USGS site number
06915800
Records begin
1984-10-01 (42 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Marais Des Cygnes River at La Cygne, KS. 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
136 186 238
107 189 311
110 198 432
100 203 558
103 211 843
91.1 212 915
89.8 207 940
92.8 216 830
82.5 201 819
78.4 196 824
81.8 200 676
78.5 181 686
71.2 156 737
66.8 141 556

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 42 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 72.5 446.7 2,837.4
February 88.8 557.2 3,957.2
March 114.5 879 6,710.3
April 153 1,011.4 7,055.3
May 185.3 2,012.9 13,385.8
June 126.8 1,856.9 10,479.7
July 80.3 507.1 5,673.2
August 56 154.2 3,485.2
September 56.6 123.8 3,804.3
October 43.9 94.3 4,622.9
November 52.1 150 4,365
December 61.7 388.4 3,876.8

All values in cubic feet per second (cfs).

Common questions

When does Marais Des Cygnes River at La Cygne, KS normally run highest?
May, on the long-term record. The median daily flow that month is about 2,012.9 cfs, against 94.3 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 Marais Des Cygnes River at La Cygne, KS?
It depends on the month. In January, half of days historically fall near 446.7 cfs, with the middle 80% of days between 72.5 and 2,837.4 cfs. The month-by-month table on this page gives the full range.
How long has Marais Des Cygnes River at La Cygne, KS been measured?
Discharge records at USGS site 06915800 begin in 1984, about 42 years, covering roughly 9,084 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Marais Des Cygnes River at La Cygne, KS?
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 Marais Des Cygnes River at La Cygne, KS?
The gauge sits at 38.3453, -94.77246, in Kansas, in hydrologic subbasin 10290102, at an elevation of about 813 feet, draining roughly 2,669 square miles.
Can I use Marais Des Cygnes River at La Cygne, KS 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 Marais Des Cygnes River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Marais Des Cygnes River in full.

Other gauges in this subbasin