Rivermatics

USGS Streamgage 06856000

Republican River at Concordia, KS

Republican River at Concordia, KS is USGS streamgage 06856000 in Kansas, monitoring river discharge in hydrologic subbasin 10250017. It sits on the Republican River, alongside 10 other gauges Rivermatics tracks on the same river. It drains a watershed of about 23,560 square miles. Discharge records at this site go back to 1903. Typical flow runs near 396.9 cfs in July and 292.9 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.

View live conditions & forecast →

Gauge details

State
Kansas
Drainage area
23,560 sq mi
Gauge elevation
1,350 ft
Subbasin (HUC-8)
10250017
Coordinates
39.58867, -97.65821
USGS site number
06856000
Records begin
1903-05-29 (123 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Republican River at Concordia, 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
42.2 51 71.9
38.5 50.9 83
35.7 48.7 81.8
33 46.3 85.4
33.1 48.5 97.6
34.7 55 144
37.7 67.2 241
42.1 83.3 309
45.2 100 389
42.5 93.3 322
38.7 82.1 250
35.3 70.5 204
32.9 62.6 171
30.6 56.7 142

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 81 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 47.4 177 575.7
February 72.7 241.2 834.5
March 89.8 275.4 1,281
April 75.9 292.9 1,317
May 70 399 2,074.8
June 94.1 400.8 2,729.3
July 104.8 396.9 2,446.1
August 101.9 323.2 1,383.8
September 49.5 191 1,221.5
October 35.1 139.4 1,007.6
November 49.1 180.3 713.8
December 47.5 184.2 620.8

All values in cubic feet per second (cfs).

Common questions

When does Republican River at Concordia, KS normally run highest?
June, on the long-term record. The median daily flow that month is about 400.8 cfs, against 139.4 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 Republican River at Concordia, KS?
It depends on the month. In January, half of days historically fall near 177 cfs, with the middle 80% of days between 47.4 and 575.7 cfs. The month-by-month table on this page gives the full range.
How long has Republican River at Concordia, KS been measured?
Discharge records at USGS site 06856000 begin in 1903, about 123 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 Republican River at Concordia, 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 Republican River at Concordia, KS?
The gauge sits at 39.58867, -97.65821, in Kansas, in hydrologic subbasin 10250017, at an elevation of about 1,350 feet, draining roughly 23,560 square miles.
Can I use Republican River at Concordia, 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 Republican River

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

Other gauges in this subbasin