Datums for 8636941, Richmond Deepwater Terminal, James River VA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8636941, Richmond Deepwater Terminal, James River, VA
Status: Accepted (Jan 15 2013)
Units: Feet
Control Station: 8638610 Sewells Point, VA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.43Mean Higher-High Water
MHW3.18Mean High Water
MTL1.66Mean Tide Level
MSL1.79Mean Sea Level
DTL1.72Mean Diurnal Tide Level
MLW0.14Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.73Station Datum
GT3.43Great Diurnal Range
MN3.05Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.14Mean Diurnal Low Water Inequality
HWI8.83Greenwich High Water Interval (in hours)
LWI3.76Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT4.14Highest Astronomical Tide
HAT Date & Time11/13/1985 21:30HAT Date and Time
LAT-0.34Lowest Astronomical Tide
LAT Date & Time10/18/1997 04:54LAT Date and Time
Tidal Datum Analysis Periods
03/01/2012 - 04/30/2012




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