Datums for 8720625, Racy Point, St Johns River FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720625, Racy Point, St Johns River, FL
Status: Accepted (Mar 18 2020)
Units: Feet
Control Station: 8720226 Southbank Riverwalk, St Johns River, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.27Mean Higher-High Water
MHW1.21Mean High Water
MTL0.64Mean Tide Level
MSL0.64Mean Sea Level
DTL0.63Mean Diurnal Tide Level
MLW0.08Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.62North American Vertical Datum of 1988
STND0.63Station Datum
GT1.27Great Diurnal Range
MN1.13Mean Range of Tide
DHQ0.06Mean Diurnal High Water Inequality
DLQ0.07Mean Diurnal Low Water Inequality
HWI7.27Greenwich High Water Interval (in hours)
LWI1.50Greenwich Low Water Interval (in hours)
Max Tide5.71Highest Observed Tide
Max Tide Date & Time10/07/2016 22:54Highest Observed Tide Date & Time
Min Tide-1.24Lowest Observed Tide
Min Tide Date & Time04/15/2004 10:30Lowest Observed Tide Date & Time
HAT1.95Highest Astronomical Tide
HAT Date & Time10/15/1993 19:00HAT Date and Time
LAT-0.46Lowest Astronomical Tide
LAT Date & Time02/07/1993 13:54LAT Date and Time
Tidal Datum Analysis Periods
05/01/2014 - 04/30/2016
04/01/2017 - 03/31/2019




Products available at 8720625 Racy Point, St Johns River, FL