Datums for 8771904, GALVESTON OFFSHORE TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8771904, GALVESTON OFFSHORE, TX
Status: Superseded (Apr 17 2003) (Accepted Jul 28 1998)
Units: Feet
Control Station: 8771510 Galveston Pleasure Pier, TX
T.M.: 90
Epoch: SPECIAL
Datum: MLLW
DatumValueDescription
MHHW2.15Mean Higher-High Water
MHW1.94Mean High Water
MTL1.22Mean Tide Level
MSL1.20Mean Sea Level
DTL1.08Mean Diurnal Tide Level
MLW0.51Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-11.01Station Datum
GT2.15Great Diurnal Range
MN1.43Mean Range of Tide
DHQ0.21Mean Diurnal High Water Inequality
DLQ0.50Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
01/01/1996 - 08/31/1996
11/01/1996 - 02/28/1997
04/01/1997 - 06/30/1998




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