Datums for 8671489, Richmond Hill, Ogeechee River


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8671489, Richmond Hill, Ogeechee River
Status: Accepted (Mar 1 2023)
Units: Feet
Control Station: 8670870 Fort Pulaski, GA
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW5.22Mean Higher-High Water
MHW5.03Mean High Water
MTL2.68Mean Tide Level
MSL3.07Mean Sea Level
DTL2.61Mean Diurnal Tide Level
MLW0.33Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.40North American Vertical Datum of 1988
STND-23.54Station Datum
GT5.21Great Diurnal Range
MN4.70Mean Range of Tide
DHQ0.19Mean Diurnal High Water Inequality
DLQ0.33Mean Diurnal Low Water Inequality
HWI3.02Greenwich 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
HAT6.69Highest Astronomical Tide
HAT Date & Time10/17/2012 16:54HAT Date and Time
LAT-0.72Lowest Astronomical Tide
LAT Date & Time01/22/2019 10:42LAT Date and Time
Tidal Datum Analysis Periods
03/01/2022 - 05/31/2022




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