Datums for 8727535, Shell Mound


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8727535, Shell Mound
Status: Accepted (Dec 14 2022)
Units: Feet
Control Station: 8727520 Cedar Key, FL
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.69Mean Higher-High Water
MHW3.39Mean High Water
MTL2.01Mean Tide Level
MSL2.02Mean Sea Level
DTL1.85Mean Diurnal Tide Level
MLW0.64Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.34North American Vertical Datum of 1988
STND-18.07Station Datum
GT3.69Great Diurnal Range
MN2.75Mean Range of Tide
DHQ0.31Mean Diurnal High Water Inequality
DLQ0.64Mean Diurnal Low Water Inequality
HWI6.12Greenwich High Water Interval (in hours)
LWI0.18Greenwich 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
HAT4.95Highest Astronomical Tide
HAT Date & Time07/24/2040 18:06HAT Date and Time
LAT-1.81Lowest Astronomical Tide
LAT Date & Time01/10/2005 12:48LAT Date and Time
Tidal Datum Analysis Periods
03/01/2022 - 05/31/2022




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