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Current Datum Value: 2.58

Datums for 8638445, Lanexa, Chickahominy River VA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8638445, Lanexa, Chickahominy River, VA
Status: Accepted (Nov 8 2010)
Units: Feet
Control Station: 8638610 Sewells Point, VA
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.84Mean Higher-High Water
MHW2.68Mean High Water
MTL1.40Mean Tide Level
MSL1.47Mean Sea Level
DTL1.42Mean Diurnal Tide Level
MLW0.12Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.58Station Datum
GT2.84Great Diurnal Range
MN2.56Mean Range of Tide
DHQ0.16Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWI6.55Greenwich High Water Interval (in hours)
LWI0.26Greenwich Low Water Interval (in hours)
Max Tide5.76Highest Observed Tide
Max Tide Date & Time09/26/2008 04:18Highest Observed Tide Date & Time
Min Tide-1.74Lowest Observed Tide
Min Tide Date & Time01/01/2009 03:24Lowest Observed Tide Date & Time
HAT3.38Highest Astronomical Tide
HAT Date & Time09/27/1988 20:06HAT Date and Time
LAT-0.55Lowest Astronomical Tide
LAT Date & Time01/21/1996 13:06LAT Date and Time
Tidal Datum Analysis Periods
07/01/2008 - 06/30/2009




Products available at 8638445 Lanexa, Chickahominy River, VA

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services