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Water-Year Summary for Site 06467500

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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.
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  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00065 Gage height(Mean)  
00065 Gage height(Mean) [(2)]  
00065 Gage height(Mean) [(3)]  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
06467500 MISSOURI RIVER AT YANKTON, SD
LOCATION - Lat 42°51'58", long 97°23'37" referenced to North American Datum of 1927, Yankton County, SD, Hydrologic Unit 10170101, on left bank 10 ft upstream of Meridian Highway Bridge on U.S. Highway 81, 5.2 mi downstream from Gavins Point Dam, 6.0 mi upstream from James River, and at mile 805.8.
DRAINAGE AREA - 279,500 mi². approximately.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1995 to current year (daily gage-height records). October 1930 to September 1995 and October 2000 to September 2011 (daily discharge). Monthly discharge only for some periods, published in WSP 1309. Gage-height records collected at same site March 1873 to November 1886, March 1905 to May 1908 (fragmentary), August 1921 to September 1950 (except winter months prior to 1932), are contained in reports of the National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 1,140.20 ft above North American Vertical Datum (NAVD) of 1988.  Prior to Oct. 1, 2014 gage datum at 1,139.68 ft above NGVD of 1929.  Prior to Sept. 20, 1932, nonrecording gage, and Sept. 20, 1932, to Mar. 9, 1967, water-stage recorder at present site and at datum 1,159.68 ft above NGVD of 1929.
COOPERATION - Daily discharges were provided by U.S. Army Corps of Engineers from October 2000 to September 2011.
REMARKS - Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. Records good, except those for May 19, 2020 to Oct. 29, 2020, which are fair. Flow on Missouri River main stem completely regulated by a series of 6 dams with the most downstream being Gavins Point Dam (5.2 mi upstream from gage). Many diversions for irrigation and water supply above station. Satellite data-collection platform at station.