Datums for 8593005, WASHINGTON NAVY YARD,D.C. DC


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8593005, WASHINGTON NAVY YARD,D.C., DC
Status: Superseded (Apr 17 2003) (Accepted Jun 25 1996)
Units: Feet
Control Station: 8594900 Washington, DC
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW3.21Mean Higher-High Water
MHW2.97Mean High Water
MTL1.57Mean Tide Level
MSL1.57Mean Sea Level
DTL1.60Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND0.83Station Datum
GT3.22Great Diurnal Range
MN2.80Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI0.37Greenwich High Water Interval (in hours)
LWI7.52Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
08/01/1995 - 10/31/1995




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