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Datums for 8723927, DUCK KEY FL


Elevations on Station Datum

Station: 8723927, DUCK KEY, FL
Status: Accepted (Apr 17 2003)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW3.91Mean Higher-High Water
MHW3.72Mean High Water
MTL3.05Mean Tide Level
MSL3.06Mean Sea Level
DTL3.08Mean Diurnal Tide Level
MLW2.38Mean Low Water
MLLW2.25Mean Lower-Low Water
NAVD883.96North American Vertical Datum of 1988
STND0.00Station Datum
GT1.66Great Diurnal Range
MN1.34Mean Range of Tide
DHQ0.19Mean Diurnal High Water Inequality
DLQ0.13Mean Diurnal Low Water Inequality
HWI1.58Greenwich High Water Interval (in hours)
LWI7.73Greenwich Low Water Interval (in hours)
Maximum4.80Highest Observed Water Level
Max Date & Time11/02/1971 20:00Highest Observed Water Level Date and Time
Minimum1.23Lowest Observed Water Level
Min Date & Time02/10/1971 14:48Lowest Observed Water Level Date and Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
01/01/1971 - 12/31/1971
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8723927 DUCK KEY, FL

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