Datums for 8636580, Windmill Point VA

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8636580, Windmill Point, VA
Status: Accepted (May 4 2020)
Units: Feet
Control Station: 8635750 Lewisetta, VA
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
MHHW1.39Mean Higher-High Water
MHW1.26Mean High Water
MTL0.68Mean Tide Level
MSL0.70Mean Sea Level
DTL0.70Mean Diurnal Tide Level
MLW0.10Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.18North American Vertical Datum of 1988
STND-2.21Station Datum
GT1.39Great Diurnal Range
MN1.16Mean Range of Tide
DHQ0.13Mean Diurnal High Water Inequality
DLQ0.10Mean Diurnal Low Water Inequality
HWI3.48Greenwich High Water Interval (in hours)
LWI10.07Greenwich Low Water Interval (in hours)
Max Tide5.18Highest Observed Tide
Max Tide Date & Time09/01/2006 20:12Highest Observed Tide Date & Time
Min Tide-2.03Lowest Observed Tide
Min Tide Date & Time01/07/2018 14:12Lowest Observed Tide Date & Time
HAT2.00Highest Astronomical Tide
HAT Date & Time09/29/2011 16:42HAT Date and Time
LAT-0.59Lowest Astronomical Tide
LAT Date & Time01/31/2014 10:00LAT Date and Time
Tidal Datum Analysis Periods
06/01/2012 - 05/31/2019

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