Datums for 8768094, Calcasieu Pass LA

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8768094, Calcasieu Pass, LA
Status: Accepted (Dec 14 2020)
Units: Feet
Control Station: 8771450 Galveston Pier 21, TX
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.81Mean Higher-High Water
MHW1.71Mean High Water
MTL1.10Mean Tide Level
MSL1.12Mean Sea Level
DTL0.90Mean Diurnal Tide Level
MLW0.49Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.41North American Vertical Datum of 1988
STND-26.88Station Datum
GT1.81Great Diurnal Range
MN1.21Mean Range of Tide
DHQ0.10Mean Diurnal High Water Inequality
DLQ0.49Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide11.88Highest Observed Tide
Max Tide Date & Time09/13/2008 07:42Highest Observed Tide Date & Time
Min Tide-3.34Lowest Observed Tide
Min Tide Date & Time01/02/2003 14:18Lowest Observed Tide Date & Time
HAT2.52Highest Astronomical Tide
HAT Date & Time10/27/2007 22:54HAT Date and Time
LAT-1.50Lowest Astronomical Tide
LAT Date & Time01/10/2005 14:18LAT Date and Time
Tidal Datum Analysis Periods
03/01/2004 - 02/29/2008
11/01/2008 - 10/31/2018


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