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Times for Georgia stations are shown as Eastern Standard Time. If your clock is set to Eastern Daylight Savings Time, add one hour to the time shown on the Web page to compare to your clock time.

Additional information may be found on the USGS Water Resources of Georgia page, including low-flow statistics and flood-frequency information for selected stations.


USGS 02231000 ST. MARYS RIVER NR MACCLENNY, FLA.

 

PROVISIONAL DATA SUBJECT TO REVISION
 
 
 

LOCATION.--Lat 30°21'31", long 82°04'54", in NW1/4 sec.2, T.2 S., R.22 E., Baker County, Hydrologic Unit 03070204, on right bank 200 ft downstream from site of former Stokes Bridge, 1 mi downstream from confluence of North and South Prongs, 6 mi northeast of Macclenny, and 100 mi upstream from mouth.

DRAINAGE AREA.--700 sq.mi, approximately, includes part of watershed in Okefenokee Swamp, which is indeterminate.

PERIOD OF RECORD.--October 1926 to current year.

GAGE.--Water-stage recorder and data-collection platform. Datum of gage is 40.00 ft above NGVD of 1929 (levels by Mees and Mees). Prior to Feb. 21, 1939, nonrecording gage and Feb. 21, 1939 to Aug. 15, 1948, water-stage recorder, at site of former bridge 200 ft upstream, at same datum.

 


  
 

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Discharge, cubic feet per second
Most recent value: 842   10-23-2004  22:00
Graph of Discharge, cubic feet per second
Download a presentation-quality graph Parameter Code 00060; DD 02
Daily mean flow statistics for 10/24 based on 77 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
842  20 661 14,600 45.8 139 507

Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 10/24 have been greater than the value shown.

Gage height, feet
Most recent value: 6.94   10-23-2004  22:00
Graph of Gage height, feet
Download a presentation-quality graph Parameter Code 00065; DD 03
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Real-time Data for Georgia
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Retrieved on 2004-10-24 02:18:28 EDT
Department of the Interior, U.S. Geological Survey
USGS Water Resources of Georgia
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