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


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720496, GREEN COVE SPRINGS, ST. JOHNS R., FL
Status: Superseded (Apr 17 2003) (Accepted Feb 4 1994)
Units: Feet
Control Station:
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW0.86Mean Higher-High Water
MHW0.81Mean High Water
MTL0.44Mean Tide Level
MSL0.45Mean Sea Level
DTL0.43Mean Diurnal Tide Level
MLW0.07Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.99Station Datum
GT0.86Great Diurnal Range
MN0.74Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.07Mean Diurnal Low Water Inequality
HWI6.18Greenwich High Water Interval (in hours)
LWI0.74Greenwich Low Water Interval (in hours)
Max Tide2.79Highest Observed Tide
Max Tide Date & Time10/07/1974 00:00Highest Observed Tide Date & Time
Min Tide-1.69Lowest Observed Tide
Min Tide Date & Time04/01/1979 00:00Lowest Observed Tide Date & 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




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