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Datums for 8574680, Baltimore MD


Elevations on Station Datum

Station: 8574680, Baltimore, MD
Status: Accepted (Oct 6 2011)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW5.76Mean Higher-High Water
MHW5.47Mean High Water
MTL4.89Mean Tide Level
MSL4.91Mean Sea Level
DTL4.93Mean Diurnal Tide Level
MLW4.32Mean Low Water
MLLW4.10Mean Lower-Low Water
NAVD884.94North American Vertical Datum of 1988
STND0.00Station 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)
Maximum12.25Highest Observed Water Level
Max Date & Time09/19/2003 12:06Highest Observed Water Level Date and Time
Minimum-1.00Lowest Observed Water Level
Min Date & Time01/24/1908 21:00Lowest Observed Water Level Date and Time
HAT6.38Highest Astronomical Tide
HAT Date & Time06/21/1986 10:30HAT Date and Time
LAT3.52Lowest Astronomical Tide
LAT Date & Time01/21/2000 17:24LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8574680 Baltimore, MD

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services