Datums for 8723921, GRASSY KEY NORTH SIDE, FLORIDA BAY FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8723921, GRASSY KEY NORTH SIDE, FLORIDA BAY, FL
Status: Superseded (Apr 17 2003) (Accepted Feb 4 1994)
Units: Feet
Control Station:
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW1.29Mean Higher-High Water
MHW1.14Mean High Water
MTL0.70Mean Tide Level
MSL0.64Mean Sea Level
DTL0.65Mean Diurnal Tide Level
MLW0.27Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.52Station Datum
GT1.29Great Diurnal Range
MN0.87Mean Range of Tide
DHQ0.15Mean Diurnal High Water Inequality
DLQ0.27Mean Diurnal Low Water Inequality
HWI8.46Greenwich High Water Interval (in hours)
LWI2.78Greenwich Low Water Interval (in hours)
Max Tide2.54Highest Observed Tide
Max Tide Date & Time02/19/1972 19:36Highest Observed Tide Date & Time
Min Tide-0.93Lowest Observed Tide
Min Tide Date & Time02/04/1971 06:42Lowest 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




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