Datums for 8779739, W QUEEN ISABELLA CAUSEWAY, PORT ISABEL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8779739, W QUEEN ISABELLA CAUSEWAY, PORT ISABEL
Status: Accepted (Sep 30 2003)
Units: Feet
Control Station: 8779770 Port Isabel, TX
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.18Mean Higher-High Water
MHW1.14Mean High Water
MTL0.62Mean Tide Level
MSL0.64Mean Sea Level
DTL0.59Mean Diurnal Tide Level
MLW0.10Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.74North American Vertical Datum of 1988
STND-3.77Station Datum
GT1.19Great Diurnal Range
MN1.05Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.10Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.66Highest Observed Tide
Max Tide Date & Time09/01/1977 22:12Highest Observed Tide Date & Time
Min Tide-1.41Lowest Observed Tide
Min Tide Date & Time02/22/1978 09:42Lowest 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
01/01/1974 - 12/31/1975




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