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Datums for 8728711, APALACHICOLA RIVER FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8728711, APALACHICOLA RIVER, FL
Status: Accepted (Jul 11 2003)
Units: Feet
Control Station: 8728690 Apalachicola, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.35Mean Higher-High Water
MHW1.27Mean High Water
MTL0.79Mean Tide Level
MSL0.76Mean Sea Level
DTL0.68Mean Diurnal Tide Level
MLW0.31Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.42North American Vertical Datum of 1988
STND-1.73Station Datum
GT1.36Great Diurnal Range
MN0.96Mean Range of Tide
DHQ0.09Mean Diurnal High Water Inequality
DLQ0.31Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.12Highest Observed Tide
Max Tide Date & Time02/03/1978 00:00Highest Observed Tide Date & Time
Min Tide-1.54Lowest Observed Tide
Min Tide Date & Time12/11/1981 00:54Lowest Observed Tide Date & Time
HAT1.83Highest Astronomical Tide
HAT Date & Time10/09/1990 10:24HAT Date and Time
LAT-0.84Lowest Astronomical Tide
LAT Date & Time01/18/1988 15:54LAT Date and Time
Tidal Datum Analysis Periods
12/01/1981 - 11/30/1982
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8728711 APALACHICOLA RIVER, FL

Revised: 08/08/2018
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