Datums for 8725271, IMPERIAL RIVER, HEADWATERS FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8725271, IMPERIAL RIVER, HEADWATERS, FL
Status: Accepted (Jul 31 2003)
Units: Feet
Control Station: 8725110 Naples, Gulf of Mexico, FL
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.95Mean Higher-High Water
MHW0.76Mean High Water
MTL0.43Mean Tide Level
MSL0.42Mean Sea Level
DTL0.48Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.69North American Vertical Datum of 1988
STND-3.26Station Datum
GT0.94Great Diurnal Range
MN0.65Mean Range of Tide
DHQ0.19Mean Diurnal High Water Inequality
DLQ0.10Mean Diurnal Low Water Inequality
HWI8.20Greenwich High Water Interval (in hours)
LWI3.35Greenwich 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
03/01/1978 - 07/31/1978
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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