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Water-Year Summary for Site 06860000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 38°47'41", long 100°51'29" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.34, T.14 S., R.32 W., Logan County, KS, Hydrologic Unit 10260003, on right bank at downstream side of bridge on U.S. Highway 83, 22.3 mi south of Oakley, 0.1 mi downstream from Ladder Creek, and at mile 409.9.
DRAINAGE AREA - 3,555 mi².
REVISIONS HISTORY - WSP 1310: 1941(M), 1947(M), 1949(M). WSP 1510: Drainage area.
PERIOD OF RECORD - October 1939 to current year.

Water-stage recorder.

The current Datum of gage was calculated as 2623.719 ft above sea level NAVD 88 based on a static survey of RM5 on 8/11/21 bt J. Hawkins USGS.

The previous Datum of gage was 2,622.62 ft above sea level NGVD of 1929. Prior to Oct. 1, 1986, water-stage recorder at site 100 ft downstream and at datum 2.00 ft higher and Oct. 1, 1986, to Sept. 30, 1995, water-stage recorder at site 100 ft downstream at same datum.

REMARKS - Satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1937, 15.2 ft, May 30, 1938, from floodmark, discharge, 71,000 ft³/s, on basis of slope-area measurement of peak flow, present datum.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height was 9.38 ft., gage datum then in use, recorded on Jun. 29, 2014 with an associated discharge of 10,400 cfs. Maximum discharge was 22,300 cfs on Aug. 23, 1969 at a stage of 8.85 ft., gage datum then in use.