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USGS 02231000 ST. MARYS RIVER NEAR MACCLENNY, FL

PROVISIONAL DATA SUBJECT TO REVISION

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This gage is monitored in cooperation with the St. Johns River Water Management District and the National Streamflow Information Program.

Link to the St. Johns River Water Management District. Link to the National Streamflow Information Program

LOCATION.--Lat 30°21'31", long 82°04'54" referenced to North American Datum of 1927, in NW 1/4 sec.2, T.2 S., R.22 E., Baker County, FL, 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 mi2, 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 and 39.06 ft above NAVD of 1988. 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.

Available Parameters Available Period
All 3 Available Parameters for this site
  
00060 Discharge 2007-10-01  2014-10-24
00065 Gage height 2007-10-01  2014-10-24
63160 Stream level, NAVD 2010-10-01  2014-10-24

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Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 384   10-24-2014  18:45 EDT
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Daily discharge, cubic feet per second -- statistics for Oct 24 based on 88 years of record more
Min
(2007)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Oct 24
75th
percen-
tile
Mean Max
(1951)
13 51 134 384 427 611 14600


Gage height, feet

Most recent instantaneous value: 5.34   10-24-2014  18:45 EDT
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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 44.40   10-24-2014  18:45 EDT
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