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Water-Year Summary for Site 07031650

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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)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
07031650 WOLF RIVER AT GERMANTOWN, TN
LOCATION - Lat 35°06'59", long 89°48'05" referenced to North American Datum of 1927, Shelby County, TN, Hydrologic Unit 08010210, at left downstream end of bridge on Germantown Road, 1.7 mi north of U.S. Hwy 72, 3.6 mi downstream of Grays Creek, and at mile 18.9.
DRAINAGE AREA - 699 mi².
REVISIONS HISTORY - In the summary statistics section of the report for 2011 http://wdr.water.usgs.gov/wy2011/pdfs/07031650.pdf , the instantaneous low flow for Water Years 1970-2011 (165 ft³/s on Aug. 15, 2007) was footnoted as occurring on several days. The exact additional days were Aug. 16-18, 2007. The instantaneous low flow for Water Year 2011 (191 ft³/s on Sep. 4) should have been footnoted as also occurring on Sep. 5, 11-12, and 17-18. In the extremes for the current year section of the report for 2011, a May 1 peak discharge was incorrectly listed in the peak discharge table (this peak was not independent of the May 3 peak discharge).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1969 to September 1986, October 1990 to current year. Prior to September 1977 published as "near Germantown".
GAGE - Data collection platform. Datum of gage is 235.849 ft. (NAVD 88) determined from Tennessee Department of Transportation brass disc, and from BM-79-4-19. April 21, 1986, to December 30, 1990, water-stage recorder at site 2.1 mi downstream at datum 9.94 ft lower.
REMARKS - Records good except for estimated daily discharges which are poor and other periods as noted. Records poor period Oct. 31, 2013 to Nov. 5, 2013, Nov. 18. 2013 to Dec. 5, 2013, Jan. 6-7, 2014, Jan. 16-22, 2015, Feb. 2-20, 2015 and Nov. 13, 2018 to Dec. 8, 2018. Records rated fair January 28, 2019 to March 5, 2020.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge 33,400 ft³/s, March 14, 1975; maximum gage height 27.98 ft., March 14, 1975; minimum discharge 165 ft³/s, August 15, 2007.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 2006 to 2012 temporary data. Beginning in October 2012, permanent data.
INSTRUMENTATION - Tipping bucket rain gage, standard 8 inch diameter funnel which is located 10 feet above the ground surface and is not equipped with a wind shield or heater.
REMARKS - Precipitation data collected during freezing periods may not be accurately reflected in daily record.