Datums for 8772440, Freeport TX

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8772440, Freeport, TX
Status: Accepted (Oct 19 2011)
Units: Feet
Control Station:
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
MHHW1.76Mean Higher-High Water
MHW1.62Mean High Water
MTL0.95Mean Tide Level
MSL0.95Mean Sea Level
DTL0.88Mean Diurnal Tide Level
MLW0.27Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-4.05Station Datum
GT1.76Great Diurnal Range
MN1.35Mean Range of Tide
DHQ0.14Mean Diurnal High Water Inequality
DLQ0.27Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide6.71Highest Observed Tide
Max Tide Date & Time07/15/2003 12:00Highest Observed Tide Date & Time
Min Tide-4.25Lowest Observed Tide
Min Tide Date & Time02/25/1965 11:36Lowest Observed Tide Date & Time
HAT2.53Highest Astronomical Tide
HAT Date & Time11/05/1990 00:06HAT Date and Time
LAT-1.15Lowest Astronomical Tide
LAT Date & Time01/28/1987 13:48LAT Date and Time
Tidal Datum Analysis Periods
01/01/1997 - 12/31/2001

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