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Water-Year Summary for Site 02087500

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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(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  

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

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USGS Water-Year Summary 2020
LOCATION - Lat 35°38'50", long 78°24'19" referenced to North American Datum of 1983, Johnston County, NC, Hydrologic Unit 03020201, on left bank at downstream side of bridge on North Carolina Highway 42, 2.3 mi upstream from Mill Creek, and 3 mi east of Clayton.
DRAINAGE AREA - 1,150 mi².
REVISIONS HISTORY - WSP 1032: 1930, 1935(M). WSP 1333: 1935. WSP 1503: 1949. WDR NC-81-1: Drainage area.
PERIOD OF RECORD - July 1927 to current year.
GAGE - Water-stage recorder. Datum of gage is 128.41 ft above National Geodetic Vertical Datum of 1929. Prior to March 18, 1942, at site 1,100 ft upstream at same datum. U.S. Army Corps of Engineers satellite telemetry at streamgage.
REMARKS - Flow regulated by Falls Lake (station 02087182), since December 7, 1983. The City of Raleigh diverts water upstream from station at Falls Lake, most of which is returned upstream from station as treated effluent.
For Water Year 2014: Records good except those for estimated daily discharges, which are poor.
For Water Year 2015: Records good except those for estimated daily discharges, which are poor.
For Water Year 2016: Records good including that for estimated daily discharge.
For Water Year 2017: Records good.
For Water Year 2018: Records good except those for estimated discharges, which are poor.
For Water Year 2019: Records good.
For Water Year 2020: Records good.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of July 23, 1919, reached a stage of 21.15 ft, from floodmark at former site; discharge 21,200 ft³/s.
EXTREMES FOR PERIOD OF RECORD - [POST REGULATION]  Maximum Discharge: 20,500 ft³/s; Maximum Gage-Height: 20.67 ft, September 17, 1999; as a result of Hurricane Floyd. Minimum daily discharge: 105 ft³/s, September 16, 1985.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Prior to regulation, maximum discharge: 22,900 ft³/s, September 19, 1945; gage height: 22.12 ft; minimum discharge: 44 ft³/s, September 15, 1932; gage height: 0.28 ft, at site then in use.