Datums for 8467726, Southport, Southport Harbor CT


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8467726, Southport, Southport Harbor, CT
Status: Accepted (Mar 5 2004)
Units: Feet
Control Station: 8467150 Bridgeport, CT
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.42Mean Higher-High Water
MHW7.08Mean High Water
MTL3.66Mean Tide Level
MSL3.67Mean Sea Level
DTL3.71Mean Diurnal Tide Level
MLW0.25Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD883.84North American Vertical Datum of 1988
STND-21.48Station Datum
GT7.41Great Diurnal Range
MN6.84Mean Range of Tide
DHQ0.34Mean Diurnal High Water Inequality
DLQ0.24Mean Diurnal Low Water Inequality
HWI3.79Greenwich High Water Interval (in hours)
LWI10.16Greenwich 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
HAT9.15Highest Astronomical Tide
HAT Date & Time10/09/2033 16:24HAT Date and Time
LAT-1.75Lowest Astronomical Tide
LAT Date & Time01/14/2036 23:06LAT Date and Time
Tidal Datum Analysis Periods
07/01/2003 - 07/31/2003




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