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Water-Year Summary for Site 07027000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00045 Precipitation(Sum)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 36°21'11", long 89°24'22" referenced to North American Datum of 1927, Lake County, TN, Hydrologic Unit 08010202,

at state park bridge crossing old outflow channel above old spillway, 100 ft. upstream of the old spillway, 0.2 mi northeast of the new spillway, and 4 mi southeast of Tiptonville.


DRAINAGE AREA - 240 mi².
REVISIONS HISTORY - https://waterdata.usgs.gov/nwis/dv/?site_no=07027000: 1990-1991.
PERIOD OF RECORD - July 1940 to current year.
GAGE - Data collection platform. Datum of gage is 270.11 ft above NGVD 1988. Prior to Oct. 1, 2013 datum of gage is 270.22 ft above NGVD of 1929 based on Benchmark E-13, supplementary adjustment of 1958.
REMARKS - Records rated good, except for other periods as noted.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of January 1937 reached a stage of about 17.0 ft, at spillway, present datum, from information by local resident. Minimum stage at spillway, 9.30 ft, Nov. 20, 21, 1953 at a datum of 270.29 ft above sea level.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 15.74 ft, from recorded range in stage, May 4, 2011; minimum, 9.59 ft, July 6, 7, 8, 1985, datum then is use.
PERIOD OF RECORD - Temporary data collected from May 2004 to Sept. 2012. Permanent data collection beginning in October 2012 and discontinued November 6, 2019.
INSTRUMENTATION - Tipping bucket rain gage, 8 inch diameter, unheated, not equipped with a wind shield, mounted to the top of gage house tower approximately 8 feet above the ground surface.
REMARKS - Precipatation data for the period compares well with other sites, except for precipitation data collected during freezing period which may not accurately reflect daily record.