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Datums for 8724971, DAVID KEY, BARFIELD BAY FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8724971, DAVID KEY, BARFIELD BAY, FL
Status: Accepted (Jul 31 2003)
Units: Feet
Control Station: 8724967 MARCO ISLAND, CAXAMBAS PASS, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.18Mean Higher-High Water
MHW2.93Mean High Water
MTL1.73Mean Tide Level
MSL1.71Mean Sea Level
DTL1.60Mean Diurnal Tide Level
MLW0.54Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.20Station Datum
GT3.18Great Diurnal Range
MN2.39Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.53Mean Diurnal Low Water Inequality
HWI6.09Greenwich High Water Interval (in hours)
LWI0.40Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest 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
04/01/1978 - 08/31/1978




Products available at 8724971 DAVID KEY, BARFIELD BAY, FL

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