Datums for 8671314, HALFMOON REEF, HALFMOON RIVER


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8671314, HALFMOON REEF, HALFMOON RIVER
Status: Accepted (Dec 13 2018)
Units: Feet
Control Station: 8670870 Fort Pulaski, GA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.60Mean Higher-High Water
MHW7.20Mean High Water
MTL3.71Mean Tide Level
MSL3.80Mean Sea Level
DTL3.80Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-7.13Station Datum
GT7.61Great Diurnal Range
MN6.99Mean Range of Tide
DHQ0.40Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI0.74Greenwich High Water Interval (in hours)
LWI6.87Greenwich 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
HAT9.55Highest Astronomical Tide
HAT Date & Time10/16/1993 13:18HAT Date and Time
LAT-1.76Lowest Astronomical Tide
LAT Date & Time02/08/1997 07:18LAT Date and Time
Tidal Datum Analysis Periods
10/06/1994 - 11/04/1994




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