Rivermatics

USGS Streamgage 06891000

Kansas River at Lecompton, KS

Kansas River at Lecompton, KS is USGS streamgage 06891000 in Kansas, monitoring river discharge in hydrologic subbasin 10270104. It sits on the Kansas River, alongside 11 other gauges Rivermatics tracks on the same river. It drains a watershed of about 58,460 square miles. Discharge records at this site go back to 1891. Typical flow runs near 6,007.1 cfs in July and 3,862.3 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
Kansas
Drainage area
58,460 sq mi
Gauge elevation
832 ft
Subbasin (HUC-8)
10270104
Coordinates
39.05111, -95.38636
USGS site number
06891000
Records begin
1891-06-01 (135 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Kansas River at Lecompton, 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
2,204 2,446 2,738
2,117 2,431 2,922
2,107 2,468 3,208
2,057 2,484 3,763
2,051 2,527 4,066
2,083 2,620 4,739
2,083 2,726 6,031
2,176 2,876 6,740
2,153 3,145 8,016
2,189 3,331 8,406
2,168 3,318 8,466
2,178 3,340 8,574
2,134 3,287 8,703
2,068 3,138 8,170

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 90 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 737.2 2,061 6,177.1
February 908.2 2,551.4 9,980.3
March 978.6 3,417.1 16,019
April 1,082 3,862.3 22,776.7
May 1,409 6,103.2 26,454.8
June 2,148.7 8,724 32,953.3
July 1,735.8 6,007.1 24,396.8
August 1,219 3,406.8 15,111.6
September 1,043.1 2,722 14,521.3
October 952 2,126.8 12,379
November 777 2,021.3 9,308
December 748.3 2,439.4 8,443.5

All values in cubic feet per second (cfs).

Common questions

When does Kansas River at Lecompton, KS normally run highest?
June, on the long-term record. The median daily flow that month is about 8,724 cfs, against 2,021.3 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Kansas River at Lecompton, KS?
It depends on the month. In January, half of days historically fall near 2,061 cfs, with the middle 80% of days between 737.2 and 6,177.1 cfs. The month-by-month table on this page gives the full range.
How long has Kansas River at Lecompton, KS been measured?
Discharge records at USGS site 06891000 begin in 1891, about 135 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Kansas River at Lecompton, 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 Kansas River at Lecompton, KS?
The gauge sits at 39.05111, -95.38636, in Kansas, in hydrologic subbasin 10270104, at an elevation of about 832 feet, draining roughly 58,460 square miles.
Can I use Kansas River at Lecompton, 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 Kansas River

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

Other gauges in this subbasin