Datums for 8720220, Mayport (Ferry Depot) FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720220, Mayport (Ferry Depot), FL
Status: Superseded (Apr 17 2003) (Accepted Apr 29 1998)
Units: Feet
Control Station:
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW4.92Mean Higher-High Water
MHW4.66Mean High Water
MTL2.41Mean Tide Level
MSL2.46Mean Sea Level
DTL2.46Mean Diurnal Tide Level
MLW0.15Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.56Station Datum
GT4.92Great Diurnal Range
MN4.51Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.15Mean Diurnal Low Water Inequality
HWI1.13Greenwich High Water Interval (in hours)
LWI7.07Greenwich Low Water Interval (in hours)
Max Tide7.54Highest Observed Tide
Max Tide Date & Time09/09/1964 23:36Highest Observed Tide Date & Time
Min Tide-3.16Lowest Observed Tide
Min Tide Date & Time01/24/1940 01:24Lowest Observed Tide Date & Time
HAT6.35Highest Astronomical Tide
HAT Date & Time10/27/2011 13:30HAT Date and Time
LAT-1.46Lowest Astronomical Tide
LAT Date & Time02/12/2032 07:48LAT Date and Time
Tidal Datum Analysis Periods
01/01/1960 - 12/31/1978




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