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 6 2011)
Units: Feet
Control Station:
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
MHHW1.66Mean Higher-High Water
MHW1.37Mean High Water
MTL0.79Mean Tide Level
MSL0.81Mean Sea Level
DTL0.83Mean Diurnal Tide Level
MLW0.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.84North American Vertical Datum of 1988
STND-4.10Station 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 Tide8.15Highest Observed Tide
Max Tide Date & Time09/19/2003 12:06Highest Observed Tide Date & Time
Min Tide-5.10Lowest Observed Tide
Min Tide Date & Time01/24/1908 21:00Lowest Observed Tide Date & Time
HAT2.22Highest Astronomical Tide
HAT Date & Time07/02/2004 11:06HAT Date and Time
LAT-0.65Lowest Astronomical Tide
LAT Date & Time01/22/2023 17:42LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001

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