Datums for 8723808, UPPER MATECUMBE KEY,FLORIDA BAY FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8723808, UPPER MATECUMBE KEY,FLORIDA BAY, FL
Status: Accepted (Sep 7 2004)
Units: Feet
Control Station: 8724580 Key West, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.62Mean Higher-High Water
MHW0.54Mean High Water
MTL0.29Mean Tide Level
MSL0.28Mean Sea Level
DTL0.31Mean Diurnal Tide Level
MLW0.05Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.03North American Vertical Datum of 1988
STND-2.47Station Datum
GT0.61Great Diurnal Range
MN0.49Mean Range of Tide
DHQ0.08Mean Diurnal High Water Inequality
DLQ0.05Mean Diurnal Low Water Inequality
HWI3.40Greenwich High Water Interval (in hours)
LWI10.50Greenwich Low Water Interval (in hours)
Max Tide1.43Highest Observed Tide
Max Tide Date & Time10/07/1972 21:36Highest Observed Tide Date & Time
Min Tide-0.67Lowest Observed Tide
Min Tide Date & Time02/05/1972 22:30Lowest 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
03/01/1972 - 02/28/1973
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




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