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Current Datum Value: 1.89

Datums for 8723691, PT. CHARLES, GAGE C, KEY LARGO FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8723691, PT. CHARLES, GAGE C, KEY LARGO, FL
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8723747 TAVERNIER HAWK CHANNEL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.98Mean Higher-High Water
MHW1.89Mean High Water
MTL0.98Mean Tide Level
MSL0.90Mean Sea Level
DTL0.99Mean Diurnal Tide Level
MLW0.08Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.72North American Vertical Datum of 1988
STND-1.89Station Datum
GT1.98Great Diurnal Range
MN1.80Mean Range of Tide
DHQ0.09Mean Diurnal High Water Inequality
DLQ0.09Mean Diurnal Low Water Inequality
HWI1.56Greenwich High Water Interval (in hours)
LWI8.85Greenwich 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
05/01/1975 - 07/31/1975
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8723691 PT. CHARLES, GAGE C, KEY LARGO, FL

Revised: 08/08/2018
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Web site owner: Center for Operational Oceanographic Products and Services