Datums for 8735523, East Fowl River Bridge AL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8735523, East Fowl River Bridge, AL
Status: Accepted (Jul 30 2020)
Units: Feet
Control Station: 8735180 Dauphin Island, AL
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.47Mean Higher-High Water
MHW1.42Mean High Water
MTL0.74Mean Tide Level
MSL0.73Mean Sea Level
DTL0.74Mean Diurnal Tide Level
MLW0.07Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.65North American Vertical Datum of 1988
STND-13.48Station Datum
GT1.47Great Diurnal Range
MN1.35Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.06Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide5.31Highest Observed Tide
Max Tide Date & Time10/08/2017 07:12Highest Observed Tide Date & Time
Min Tide-1.79Lowest Observed Tide
Min Tide Date & Time01/17/2018 16:54Lowest Observed Tide Date & Time
HAT2.30Highest Astronomical Tide
HAT Date & Time10/18/1989 06:42HAT Date and Time
LAT-1.01Lowest Astronomical Tide
LAT Date & Time12/31/1986 16:06LAT Date and Time
Tidal Datum Analysis Periods
08/01/2011 - 07/31/2018




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