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Datums for 8724474, DUCK KEY POINT FL


Elevations on Station Datum

Station: 8724474, DUCK KEY POINT, FL
Status: Accepted (Aug 1 2003)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW5.35Mean Higher-High Water
MHW5.10Mean High Water
MTL4.31Mean Tide Level
MSL4.25Mean Sea Level
DTL4.33Mean Diurnal Tide Level
MLW3.53Mean Low Water
MLLW3.30Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT2.05Great Diurnal Range
MN1.57Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.23Mean Diurnal Low Water Inequality
HWI6.21Greenwich High Water Interval (in hours)
LWI0.93Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest 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
09/01/1974 - 10/31/1974
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8724474 DUCK KEY POINT, FL

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