Datums for 8577004, Long Beach MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8577004, Long Beach, MD
Status: Superseded (Apr 17 2003) (Accepted Nov 8 2000)
Units: Feet
Control Station: 8577330 Solomons Island, MD
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW1.37Mean Higher-High Water
MHW1.20Mean High Water
MTL0.70Mean Tide Level
MSL0.70Mean Sea Level
DTL0.69Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-9.98Station Datum
GT1.38Great Diurnal Range
MN1.02Mean Range of Tide
DHQ0.17Mean Diurnal High Water Inequality
DLQ0.19Mean Diurnal Low Water Inequality
HWI7.80Greenwich High Water Interval (in hours)
LWI1.62Greenwich Low Water Interval (in hours)
Max Tide3.59Highest Observed Tide
Max Tide Date & Time02/06/1998 16:12Highest Observed Tide Date & Time
Min Tide-1.81Lowest Observed Tide
Min Tide Date & Time01/01/1998 15:06Lowest Observed Tide Date & Time
HAT1.68Highest Astronomical Tide
HAT Date & Time09/20/2028 21:00HAT Date and Time
LAT-0.47Lowest Astronomical Tide
LAT Date & Time01/14/2036 14:12LAT Date and Time
Tidal Datum Analysis Periods
11/01/1997 - 10/31/1998
03/01/1999 - 05/31/2000




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