Datums for 8555889, Brandywine Shoal Light DE


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8555889, Brandywine Shoal Light, DE
Status: Superseded (Apr 17 2003) (Accepted Aug 16 2002)
Units: Feet
Control Station: 8545240 Philadelphia, PA
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW5.37Mean Higher-High Water
MHW4.89Mean High Water
MTL2.53Mean Tide Level
MSL2.49Mean Sea Level
DTL2.69Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-19.03Station Datum
GT5.37Great Diurnal Range
MN4.71Mean Range of Tide
DHQ0.48Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI1.38Greenwich High Water Interval (in hours)
LWI7.51Greenwich Low Water Interval (in hours)
Max Tide8.62Highest Observed Tide
Max Tide Date & Time08/28/2011 03:54Highest Observed Tide Date & Time
Min Tide-2.62Lowest Observed Tide
Min Tide Date & Time01/07/2018 04:42Lowest Observed Tide Date & Time
HAT6.60Highest Astronomical Tide
HAT Date & Time10/27/2011 13:30HAT Date and Time
LAT-1.30Lowest Astronomical Tide
LAT Date & Time02/12/2032 08:06LAT Date and Time
Tidal Datum Analysis Periods
07/01/2002 - 07/31/2002




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