Datums for 8574680, Baltimore MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8574680, Baltimore, MD
Status: Accepted (Oct 06 2011)
Units: Feet
Control Station:
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.65Mean Higher-High Water
MHW1.36Mean High Water
MTL0.78Mean Tide Level
MSL0.79Mean Sea Level
DTL0.82Mean Diurnal Tide Level
MLW0.21Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.83North American Vertical Datum of 1988
STND-4.11Station Datum
GT1.66Great Diurnal Range
MN1.14Mean Range of Tide
DHQ0.30Mean Diurnal High Water Inequality
DLQ0.22Mean Diurnal Low Water Inequality
HWI11.54Greenwich High Water Interval (in hours)
LWI5.70Greenwich Low Water Interval (in hours)
Max Tide8.14Highest Observed Tide
Max Tide Date & Time09/19/2003 12:06Highest Observed Tide Date & Time
Min Tide-5.11Lowest Observed Tide
Min Tide Date & Time01/24/1908 21:00Lowest Observed Tide Date & Time
HAT2.27Highest Astronomical Tide
HAT Date & Time06/21/1986 10:30HAT Date and Time
LAT-0.59Lowest Astronomical Tide
LAT Date & Time01/21/2000 17:24LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




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