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Datums for 8651370, Duck NC


Elevations on Station Datum

Station: 8651370, Duck, NC
Status: Accepted (Sep 26 2011)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW22.27Mean Higher-High Water
MHW21.95Mean High Water
MTL20.33Mean Tide Level
MSL20.35Mean Sea Level
DTL20.42Mean Diurnal Tide Level
MLW18.72Mean Low Water
MLLW18.58Mean Lower-Low Water
NAVD8820.77North American Vertical Datum of 1988
STND0.00Station Datum
GT3.69Great Diurnal Range
MN3.22Mean Range of Tide
DHQ0.32Mean Diurnal High Water Inequality
DLQ0.14Mean Diurnal Low Water Inequality
HWI12.23Greenwich High Water Interval (in hours)
LWI6.06Greenwich Low Water Interval (in hours)
Maximum26.40Highest Observed Water Level
Max Date & Time09/18/2003 16:06Highest Observed Water Level Date and Time
Minimum15.92Lowest Observed Water Level
Min Date & Time03/16/1980 17:54Lowest Observed Water Level Date and Time
HAT23.52Highest Astronomical Tide
HAT Date & Time10/16/1993 12:24HAT Date and Time
LAT17.60Lowest Astronomical Tide
LAT Date & Time02/08/1997 06:24LAT 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 8651370 Duck, NC

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