Datums for 8720093, HALFMOON ISLAND FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720093, HALFMOON ISLAND, FL
Status: Accepted (Jun 2 2009)
Units: Feet
Control Station: 8720098 NASSAUVILLE, NASSAU RIVER EAST, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.55Mean Higher-High Water
MHW4.37Mean High Water
MTL2.29Mean Tide Level
MSL2.56Mean Sea Level
DTL2.28Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.61North American Vertical Datum of 1988
STND-4.23Station Datum
GT4.54Great Diurnal Range
MN4.16Mean Range of Tide
DHQ0.18Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWI3.37Greenwich High Water Interval (in hours)
LWI9.90Greenwich 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
07/01/1978 - 08/31/1978




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