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Datums for 8724489, BIG COPPITT KEY FL


Elevations on Station Datum

Station: 8724489, BIG COPPITT KEY, FL
Status: Accepted (Aug 1 2003)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW5.53Mean Higher-High Water
MHW5.23Mean High Water
MTL4.63Mean Tide Level
MSL4.50Mean Sea Level
DTL4.74Mean Diurnal Tide Level
MLW4.03Mean Low Water
MLLW3.95Mean Lower-Low Water
NAVD885.11North American Vertical Datum of 1988
STND0.00Station Datum
GT1.58Great Diurnal Range
MN1.20Mean Range of Tide
DHQ0.30Mean Diurnal High Water Inequality
DLQ0.08Mean Diurnal Low Water Inequality
HWI7.12Greenwich High Water Interval (in hours)
LWI2.87Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
04/01/1974 - 05/31/1974
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8724489 BIG COPPITT KEY, FL

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services