Datums for 8651370, Duck NC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8651370, Duck, NC
Status: Accepted (Sep 26 2011)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.69Mean Higher-High Water
MHW3.37Mean High Water
MTL1.75Mean Tide Level
MSL1.77Mean Sea Level
DTL1.84Mean Diurnal Tide Level
MLW0.14Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.19North American Vertical Datum of 1988
STND-18.58Station 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)
Max Tide7.82Highest Observed Tide
Max Tide Date & Time09/18/2003 16:06Highest Observed Tide Date & Time
Min Tide-2.66Lowest Observed Tide
Min Tide Date & Time03/16/1980 17:54Lowest Observed Tide Date & Time
HAT4.99Highest Astronomical Tide
HAT Date & Time10/09/2029 13:00HAT Date and Time
LAT-1.06Lowest Astronomical Tide
LAT Date & Time01/31/2014 06:06LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 8651370 Duck, NC