Datums for 8770520, Rainbow Bridge TX


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8770520, Rainbow Bridge, TX
Status: Accepted (May 9 2018)
Units: Feet
Control Station: 8770570 Sabine Pass North, TX
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW0.97Mean Higher-High Water
MHW0.92Mean High Water
MTL0.51Mean Tide Level
MSL0.55Mean Sea Level
DTL0.48Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.34North American Vertical Datum of 1988
STND-3.86Station Datum
GT0.97Great Diurnal Range
MN0.81Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.11Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide3.93Highest Observed Tide
Max Tide Date & Time08/30/2017 08:12Highest Observed Tide Date & Time
Min Tide-2.55Lowest Observed Tide
Min Tide Date & Time01/19/1996 16:12Lowest Observed Tide Date & Time
HAT1.38Highest Astronomical Tide
HAT Date & Time10/10/1986 10:12HAT Date and Time
LAT-0.86Lowest Astronomical Tide
LAT Date & Time01/18/1988 18:42LAT Date and Time
Tidal Datum Analysis Periods
10/01/2012 - 09/30/2013
09/01/2015 - 08/31/2017




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