Datums for 8724698, Loggerhead Key FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8724698, Loggerhead Key, FL
Status: Superseded (Apr 17 2003) (Accepted Oct 20 2000)
Units: Feet
Control Station: 8724580 Key West, FL
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW1.71Mean Higher-High Water
MHW1.42Mean High Water
MTL0.85Mean Tide Level
MSL0.86Mean Sea Level
DTL0.85Mean Diurnal Tide Level
MLW0.29Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.57Station Datum
GT1.71Great Diurnal Range
MN1.13Mean Range of Tide
DHQ0.29Mean Diurnal High Water Inequality
DLQ0.28Mean Diurnal Low Water Inequality
HWI3.15Greenwich High Water Interval (in hours)
LWI8.81Greenwich Low Water Interval (in hours)
Max Tide3.10Highest Observed Tide
Max Tide Date & Time02/09/2005 02:36Highest Observed Tide Date & Time
Min Tide-0.99Lowest Observed Tide
Min Tide Date & Time02/08/2001 09:42Lowest Observed Tide Date & Time
HAT2.52Highest Astronomical Tide
HAT Date & Time10/28/2007 03:06HAT Date and Time
LAT-0.79Lowest Astronomical Tide
LAT Date & Time01/21/2023 09:18LAT Date and Time
Tidal Datum Analysis Periods
03/01/2000 - 08/31/2000




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