Rivermatics

USGS Streamgage 06911000

Marais Des Cygnes River at Melvern, KS

Marais Des Cygnes River at Melvern, KS is USGS streamgage 06911000 in Kansas, monitoring river discharge in hydrologic subbasin 10290101. It sits on the Marais Des Cygnes River, alongside 5 other gauges Rivermatics tracks on the same river. It drains a watershed of about 351 square miles. Discharge records at this site go back to 1939. Typical flow runs near 22 cfs in July and 38.8 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.

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Gauge details

State
Kansas
Drainage area
351 sq mi
Gauge elevation
979 ft
Subbasin (HUC-8)
10290101
Coordinates
38.51611, -95.69611
USGS site number
06911000
Records begin
1939-10-01 (87 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Marais Des Cygnes River at Melvern, 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
20.2 27.3 37.2
17.4 26.6 52.8
15.1 29.1 110
13.8 30.5 282
15.4 34.4 471
14.6 36.2 377
14.2 37.7 379
11.6 35.1 237
11.7 37.5 457
11.7 38.8 374
11 36.3 469
11.4 37 369
11.5 35.5 346
10.6 33.6 335

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 0 30 418
February 0.2 26.6 392.7
March 0.2 33.6 474.5
April 6.2 38.8 652.1
May 7.5 49.4 1,092.8
June 5 59.6 1,489.4
July 0.9 22 731
August 0 19.1 195.3
September 0 19.8 302.6
October 0 21.2 347.8
November 0 21.3 196
December 0 24.3 283.1

All values in cubic feet per second (cfs).

Common questions

When does Marais Des Cygnes River at Melvern, KS normally run highest?
June, on the long-term record. The median daily flow that month is about 59.6 cfs, against 19.1 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 Marais Des Cygnes River at Melvern, KS?
It depends on the month. In January, half of days historically fall near 30 cfs, with the middle 80% of days between 0 and 418 cfs. The month-by-month table on this page gives the full range.
How long has Marais Des Cygnes River at Melvern, KS been measured?
Discharge records at USGS site 06911000 begin in 1939, about 87 years, covering roughly 7,239 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 Melvern, 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 Melvern, KS?
The gauge sits at 38.51611, -95.69611, in Kansas, in hydrologic subbasin 10290101, at an elevation of about 979 feet, draining roughly 351 square miles.
Can I use Marais Des Cygnes River at Melvern, 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