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Datums for 8635750, Lewisetta VA


Elevations on Station Datum

Station: 8635750, Lewisetta, VA
Status: Accepted (Oct 7 2011)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW6.28Mean Higher-High Water
MHW6.14Mean High Water
MTL5.51Mean Tide Level
MSL5.53Mean Sea Level
DTL5.52Mean Diurnal Tide Level
MLW4.89Mean Low Water
MLLW4.77Mean Lower-Low Water
NAVD885.60North American Vertical Datum of 1988
STND0.00Station Datum
GT1.50Great Diurnal Range
MN1.24Mean Range of Tide
DHQ0.14Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWI6.17Greenwich High Water Interval (in hours)
LWI0.10Greenwich Low Water Interval (in hours)
Maximum10.42Highest Observed Water Level
Max Date & Time09/01/2006 23:06Highest Observed Water Level Date and Time
Minimum1.92Lowest Observed Water Level
Min Date & Time04/05/1975 08:36Lowest Observed Water Level Date and Time
HAT6.72Highest Astronomical Tide
HAT Date & Time09/17/1993 18:54HAT Date and Time
LAT4.29Lowest Astronomical Tide
LAT Date & Time01/21/1996 12:42LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 8635750 Lewisetta, VA

Revised: 10/15/2013
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