Datums for 8675622, OLD TOWER, SAPELO ISLAND, DOBOY SOUND GA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8675622, OLD TOWER, SAPELO ISLAND, DOBOY SOUND, GA
Status: Accepted (Feb 25 2004)
Units: Feet
Control Station: 8720030 Fernandina Beach, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.43Mean Higher-High Water
MHW7.04Mean High Water
MTL3.63Mean Tide Level
MSL3.67Mean Sea Level
DTL3.72Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.84Station Datum
GT7.43Great Diurnal Range
MN6.82Mean Range of Tide
DHQ0.39Mean Diurnal High Water Inequality
DLQ0.21Mean Diurnal Low Water Inequality
HWI0.76Greenwich High Water Interval (in hours)
LWI7.13Greenwich 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
07/01/1977 - 12/31/1977




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