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Datums for 8638449, CLAREMONT, JAMES RIVER VA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8638449, CLAREMONT, JAMES RIVER, VA
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8638610 Sewells Point, VA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.12Mean Higher-High Water
MHW1.93Mean High Water
MTL1.04Mean Tide Level
MSL1.09Mean Sea Level
DTL1.06Mean Diurnal Tide Level
MLW0.15Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.32Station Datum
GT2.12Great Diurnal Range
MN1.79Mean Range of Tide
DHQ0.19Mean Diurnal High Water Inequality
DLQ0.14Mean Diurnal Low Water Inequality
HWI5.40Greenwich High Water Interval (in hours)
LWI12.25Greenwich Low Water Interval (in hours)
Max Tide4.56Highest Observed Tide
Max Tide Date & Time10/06/1972 13:24Highest Observed Tide Date & Time
Min Tide-2.76Lowest Observed Tide
Min Tide Date & Time01/27/1971 08:48Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
02/01/1971 - 01/31/1974




Products available at 8638449 CLAREMONT, JAMES RIVER, VA

Revised: 08/08/2018
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