Datums for 8446166, DUXBURY, DUXBURY HARBOR MA

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8443970 Boston, MA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
MHHW10.68Mean Higher-High Water
MHW10.24Mean High Water
MTL5.29Mean Tide Level
MSL5.49Mean Sea Level
DTL5.34Mean Diurnal Tide Level
MLW0.34Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD885.93North American Vertical Datum of 1988
STND-2.88Station Datum
GT10.68Great Diurnal Range
MN9.89Mean Range of Tide
DHQ0.44Mean Diurnal High Water Inequality
DLQ0.35Mean Diurnal Low Water Inequality
HWI3.84Greenwich High Water Interval (in hours)
LWI10.48Greenwich 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
HAT12.79Highest Astronomical Tide
HAT Date & Time11/16/2016 17:18HAT Date and Time
LAT-1.85Lowest Astronomical Tide
LAT Date & Time11/27/2034 23:42LAT Date and Time
Tidal Datum Analysis Periods
06/01/1990 - 08/31/1990

Products available at 8446166 DUXBURY, DUXBURY HARBOR, MA