Datums for 8573364, Tolchester Beach MD

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8573364, Tolchester Beach, MD
Status: Accepted (Aug 2 2011)
Units: Feet
Control Station: 8574680 Baltimore, Fort McHenry, Patapsco River, MD
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
MHHW1.73Mean Higher-High Water
MHW1.42Mean High Water
MTL0.82Mean Tide Level
MSL0.83Mean Sea Level
DTL0.87Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-3.41Station Datum
GT1.73Great Diurnal Range
MN1.21Mean Range of Tide
DHQ0.31Mean Diurnal High Water Inequality
DLQ0.21Mean Diurnal Low Water Inequality
HWI11.93Greenwich High Water Interval (in hours)
LWI5.89Greenwich Low Water Interval (in hours)
Max Tide7.91Highest Observed Tide
Max Tide Date & Time09/19/2003 12:42Highest Observed Tide Date & Time
Min Tide-3.48Lowest Observed Tide
Min Tide Date & Time03/03/2018 06:36Lowest Observed Tide Date & Time
HAT2.40Highest Astronomical Tide
HAT Date & Time10/17/1989 01:00HAT Date and Time
LAT-0.69Lowest Astronomical Tide
LAT Date & Time01/21/2000 17:30LAT Date and Time
Tidal Datum Analysis Periods
09/01/1994 - 08/31/2009
10/01/2009 - 09/30/2010

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