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Datums for 8720496, GREEN COVE SPRINGS, ST. JOHNS R. FL


Elevations on Station Datum

Station: 8720496, GREEN COVE SPRINGS, ST. JOHNS R., FL
Status: Accepted (Oct 31 2003)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW3.24Mean Higher-High Water
MHW3.17Mean High Water
MTL2.78Mean Tide Level
MSL2.77Mean Sea Level
DTL2.79Mean Diurnal Tide Level
MLW2.38Mean Low Water
MLLW2.34Mean Lower-Low Water
NAVD882.75North American Vertical Datum of 1988
STND0.00Station Datum
GT0.90Great Diurnal Range
MN0.78Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.04Mean Diurnal Low Water Inequality
HWI6.08Greenwich High Water Interval (in hours)
LWI0.49Greenwich Low Water Interval (in hours)
Maximum4.78Highest Observed Water Level
Max Date & Time10/07/1974 00:00Highest Observed Water Level Date and Time
Minimum0.30Lowest Observed Water Level
Min Date & Time04/01/1979 00:00Lowest 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
04/01/1978 - 03/31/1979
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8720496 GREEN COVE SPRINGS, ST. JOHNS R., FL

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