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Water-Year Summary for Site 02024000

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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
00060 Discharge(Mean)  

Water year 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 37°45'45", long 79°23'30" referenced to North American Datum of 1927, Rockbridge County, VA, Hydrologic Unit 02080202, on right bank 0.5 mi downstream from South River and 2.8 mi northwest of Buena Vista.
DRAINAGE AREA - 647 mi².
REVISIONS HISTORY - WSP 952: 1940-41. OFR 2006-1308: Drainage area.
PERIOD OF RECORD - October 1938 to current year. Monthly discharge only for some periods, published in WSP 1303. Prior to October 1945, published as North River near Buena Vista.
GAGE - Water-stage recorder. Datum of gage is 846.58 ft NGVD of 1929.
REMARKS - Since 1966, some regulation at times by Lake Merriweather on Little Calfpasture River. Maximum discharge, 105,000 ft³/s, from rating curve extended above 17,000 ft³/s on basis of slope-area measurement of peak flow.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Mar. 18, 1936, reached a stage of about 22 ft, from information by local residents.
EXTREMES FOR PERIOD OF RECORD - Instantaneous low flow, 20 ft³/s, Oct. 10, 1941. Occurred during filling of small reservoir 2 mi upstream, otherwise, minimum discharge, 36 ft³/s, Sept. 12-14, 2002.
PERIOD OF RECORD - October 2006 to October 2009.
PERIOD OF DAILY RECORD - December 2006 to October 2009.
INSTRUMENTATION - Specific conductance and water temperature monitor. Electronic data logger with 15-minute recording interval.
SPECIFIC CONDUCTANCE: Maximum, 441 microsiemens/cm, Sep. 5, 2007; minimum, 80 microsiemens/cm, Mar. 2, 2007.
WATER TEMPERATURE: Maximum, 30.7°C, June 10, 2008; minimum, -0.3°C, on several days.