02277100 SPEEDY POINT AT ST LUCIE RIVER, NEAR STUART, FL LOCATION.--Lat 27° 12' 07", long 80° 15' 32", Martin County, middle of Roosevelt Bridge, 2.7 mi west of Atlantic Ocean, 0.4 mi northwest of Stuart. DRAINAGE AREA.--Indeterminate. PERIOD OF RECORD.--August 1997 to current year. GAGE.--Water-stage recorders, salinity and temperature probes. Datum of gage is National Geodetic Vertical Datum of 1929. REMARKS.--No discharge was published due to the poor index rating caused by turbulent currents. Elevation of top salinity sensor -2 ft NGVD; bottom salinity sensor -7 ft NGVD. EXTREMES FOR PERIOD OF RECORD.-- GAGE HEIGHT: Maximum 4.40 ft Oct. 16, 1999; minimum, -.95 ft Mar. 15, 2001. TOP SALINITY: Maximum: 31.2 ppt Apr. 20, 1999 but may have been higher during period of missing record; minimum 0.0 ppt. Mar. 12, 1998, Nov. 3, 1999. BOTTOM SALINITY: Maximum: 31.8 ppt Apr. 30, 2001 but may have been higher during period of missing record; minimum 0.1 ppt Apr. 14, 1998, Oct. 17-23, 1999, Aug. 6, 2001.