Datums for 8571579, Barren Island MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8571579, Barren Island, MD
Status: Accepted (Jan 26 2005)
Units: Feet
Control Station: 8577330 Solomons Island, MD
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.55Mean Higher-High Water
MHW1.38Mean High Water
MTL0.77Mean Tide Level
MSL0.79Mean Sea Level
DTL0.78Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.22North American Vertical Datum of 1988
STND-28.98Station Datum
GT1.55Great Diurnal Range
MN1.22Mean Range of Tide
DHQ0.17Mean Diurnal High Water Inequality
DLQ0.16Mean Diurnal Low Water Inequality
HWI6.78Greenwich High Water Interval (in hours)
LWI0.76Greenwich Low Water Interval (in hours)
Max Tide3.13Highest Observed Tide
Max Tide Date & Time03/21/2003 08:36Highest Observed Tide Date & Time
Min Tide-1.94Lowest Observed Tide
Min Tide Date & Time01/24/2003 17:30Lowest Observed Tide Date & Time
HAT1.94Highest Astronomical Tide
HAT Date & Time08/31/2015 07:30HAT Date and Time
LAT-0.57Lowest Astronomical Tide
LAT Date & Time01/13/2036 12:18LAT Date and Time
Tidal Datum Analysis Periods
01/01/2002 - 01/31/2002
03/01/2002 - 09/30/2002
01/01/2003 - 03/31/2003




Products available at 8571579 Barren Island, MD