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Water-Year Summary for Site 02317620

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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
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

Water year 2019: 2018-10-01 to 2019-09-30
 

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USGS Water-Year Summary 2019
02317620 ALAPAHA RIVER NEAR JENNINGS, FL
LOCATION - Lat 30°35'53", long 83°04'24" referenced to North American Datum of 1927, in SW 1/4 sec.01, T.2 N., R.12 E., Hamilton County, FL, Hydrologic Unit 03110202, near left bank on downstream side of bridge on State Highway 150, 150 ft upstream from Southern Railroad bridge, 1,400 ft downstream from Apalahoochee River, 1.5 mi south of Florida-Georgia State line, 1.6 mi southeast of Jennings, and 20.1 mi upstream from mouth.
DRAINAGE AREA - 1,680 mi².
REVISIONS HISTORY - Revisions: Gage height and discharge for the period June 8, 2017 to June 9, 2017, were revised on Aug. 17, 2017, based on changes to the gage height record.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1976 to September 1984, October 1984 to September 1985 (gage height and peak discharge only), October 1985 to September 1987, September 1998 to September 2001, October 2006 to current year. Prior to July 28, 1975 (one miscellaneous discharge measurement in 1923, three in 1928, and six made by Suwannee River Water Management District in 1976).
GAGE - Water-stage recorder and data-collection platform. Datum of gage is National Geodetic Vertical Datum of 1929 (Florida Department of Transportation bench mark). Prior to August 18, 1928, nonrecording gage at site 150 ft downstream at datum unknown. July 1976 to September 1987, at datum 58.22 ft lower.
COOPERATION - Records from October 1999 to September 2001 and October 2006 to September 2007 were collected and computed by Suwannee River Water Management District and reviewed by U. S. Geological Survey.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum measured discharge, 17,900 cfs May 2, 1928, gage height not determined.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - Water-quality monitor installed January 17, 2017.  Period of record from January 17, 2017 to current year.
INSTRUMENTATION - Water-quality monitor consisting of temperature and specific conductivity.
REMARKS - Extremes for current year and extremes for period of daily record are based on recorded values and may have been exceeded during periods of no record.
EXTREMES FOR PERIOD OF RECORD -

TEMPERATURE:

  Maximum instantaneous value: 30.5 C; July 6 and 7, 2017, May 28, 2019, July 4, 2019 and Aug. 14, 2019

  Minimum instantaneous value: 4.9 C; Jan. 5-7, 2018

SPECIFIC CONDUCTIVITY:

  Maximum instantaneous value: 237 uS/cm; May 16, 2017

  Minimum instantaneous value: 35 uS/cm; Dec. 4, 2018