Datums for 8723693, GAGE A, POINT CHARLES, KEY LARGO FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8723693, GAGE A, POINT CHARLES, KEY LARGO, FL
Status: Accepted (Dec 30 2003)
Units: Feet
Control Station: 8723747 TAVERNIER HAWK CHANNEL, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.21Mean Higher-High Water
MHW2.11Mean High Water
MTL1.12Mean Tide Level
MSL1.12Mean Sea Level
DTL1.11Mean Diurnal Tide Level
MLW0.13Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.93North American Vertical Datum of 1988
STND-2.08Station Datum
GT2.20Great Diurnal Range
MN1.98Mean Range of Tide
DHQ0.10Mean Diurnal High Water Inequality
DLQ0.13Mean Diurnal Low Water Inequality
HWI1.43Greenwich High Water Interval (in hours)
LWI8.09Greenwich 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 8723693 GAGE A, POINT CHARLES, KEY LARGO, FL