Datums for 8724353, PERKY LAKE, SUGERLOAF KEY FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8724353, PERKY LAKE, SUGERLOAF KEY, FL
Status: Accepted (May 24 2004)
Units: Feet
Control Station: 8724580 Key West, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.52Mean Higher-High Water
MHW0.40Mean High Water
MTL0.23Mean Tide Level
MSL0.22Mean Sea Level
DTL0.26Mean Diurnal Tide Level
MLW0.06Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.64North American Vertical Datum of 1988
STND-0.95Station Datum
GT0.52Great Diurnal Range
MN0.34Mean Range of Tide
DHQ0.12Mean Diurnal High Water Inequality
DLQ0.06Mean Diurnal Low Water Inequality
HWI8.55Greenwich High Water Interval (in hours)
LWI4.53Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & 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
01/01/1974 - 02/28/1974
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




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