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Water-Year Summary for Site 02087359

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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.
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Available Parameters
00045 Precipitation(Sum)  
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 35°45'30", long 78°34'59" referenced to North American Datum of 1983, Wake County, NC, Hydrologic Unit 03020201, at bridge on Sunnybrook Drive (Secondary Road 2544), 0.9 mi upstream from Big Branch, and 3.5 mi southeast of Raleigh.
DRAINAGE AREA - 29.8 mi². revised.
PERIOD OF RECORD - May 1996 to current year.

Water-stage recorder. The datum of the gage is 182.24 ft above the North American Vertical Datum of 1988 as determined by levels from NGS benchmark DL7562 (BM1 at the site). The survey was performed on 4/26/2019. Satellite telemetry at streamgage.

The gage was previously reported as 189.9 ft above NAVD88 from a levels run performed on 8/11/1997. This set of levels appeared to be in error.
REMARKS - Gage-height records are generally good. Discharge records are generally fair except for estimated discharges, which are poor. Additional details on the accuracy of the records can be obtained by contacting the USGS South Atlantic Water Science Center at gs-w-nc_nwisweb_data_inquiries@usgs.gov.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record, 6,760 ft³/s, from computation of peak flow through culvert; maximum gage height, 17.03 ft, September 09, 1996, from high-water mark in gage shelter, as a result of Hurricane Fran.
PERIOD OF RECORD - July 1996 to current year. Records from July 1996 to September 1998 are unpublished and available from the USGS Water Science Center, Raleigh, NC.
INSTRUMENTATION - Tipping bucket raingage. Satellite telemetry at station.
REMARKS - Precipitation data collected during freezing periods may not be accurately reflected in daily record.