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Water-Year Summary for Site 02181350

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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
00010 Temperature, water(Max.,Min.,Mean)  
00045 Precipitation(Sum)  
00045 Precipitation(Sum) [Operational]  
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02181350 TALLULAH RIVER AT TERRORA POWERHOUSE, NEAR TALLULAH FALLS,GA
LOCATION - Lat 34°45'01", long 83°24'18" referenced to North American Datum of 1983, Rabun County, GA, Hydrologic Unit 03060102, 4.6 miles downstream confluence with Tiger Creek and 1.5 miles northwest of Tallulah Falls, GA.
DRAINAGE AREA - 181 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: November 2014 to current year.
GAGE HEIGHT: November 2014 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 1,551 feet above National Geodetic Vertical Datum (NGVD) of 1929 (from topographic map).
COOPERATION - Georgia Power Corporation.
REMARKS - Gage-height records are generally good to fair. 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-ga_nwisweb_data_inquiries@usgs.gov.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, E 7500cfs, October 29, 2020; maximum gage height recorded, 7.99 feet, October 29, 2020; minimum daily discharge, 20.7 cfs, October 27, 2023.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - November 2014 to September 2017.
INSTRUMENTATION - Tipping-bucket raingage.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: November 2014 to current year.
REMARKS -
For period: 11/20/2014-07/13/2017: Water temperature records good.
For period: 07/13/2017-10/17/2017: Water temperature records poor.
EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Maximum recorded, 29.9°C July 23, 2017; minimum recorded, -0.12°C, December 24, 2022.