Datums for 8572271, Poplar Island MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8572271, Poplar Island, MD
Status: Accepted (Jun 3 2011)
Units: Feet
Control Station: 8575512 Annapolis, MD
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.54Mean Higher-High Water
MHW1.32Mean High Water
MTL0.77Mean Tide Level
MSL0.78Mean Sea Level
DTL0.77Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-0.26Station Datum
GT1.53Great Diurnal Range
MN1.10Mean Range of Tide
DHQ0.22Mean Diurnal High Water Inequality
DLQ0.21Mean Diurnal Low Water Inequality
HWI8.99Greenwich High Water Interval (in hours)
LWI3.01Greenwich Low Water Interval (in hours)
Max Tide3.55Highest Observed Tide
Max Tide Date & Time12/26/2009 15:48Highest Observed Tide Date & Time
Min Tide-2.72Lowest Observed Tide
Min Tide Date & Time01/03/2008 10:54Lowest Observed Tide Date & Time
HAT2.00Highest Astronomical Tide
HAT Date & Time06/14/1999 09:12HAT Date and Time
LAT-0.63Lowest Astronomical Tide
LAT Date & Time01/28/1983 14:18LAT Date and Time
Tidal Datum Analysis Periods
03/01/2007 - 02/28/2010




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