Datums for 8573927, Chesapeake City MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8573927, Chesapeake City, MD
Status: Superseded (Apr 17 2003) (Accepted Feb 4 1994)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW3.30Mean Higher-High Water
MHW3.08Mean High Water
MTL1.71Mean Tide Level
MSL1.66Mean Sea Level
DTL1.65Mean Diurnal Tide Level
MLW0.34Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.81Station Datum
GT3.30Great Diurnal Range
MN2.74Mean Range of Tide
DHQ0.22Mean Diurnal High Water Inequality
DLQ0.34Mean Diurnal Low Water Inequality
HWI3.16Greenwich High Water Interval (in hours)
LWI9.58Greenwich Low Water Interval (in hours)
Max Tide9.00Highest Observed Tide
Max Tide Date & Time09/19/2003 13:18Highest Observed Tide Date & Time
Min Tide-3.39Lowest Observed Tide
Min Tide Date & Time04/05/1975 06:18Lowest Observed Tide Date & Time
HAT3.86Highest Astronomical Tide
HAT Date & Time09/20/2028 03:54HAT Date and Time
LAT-0.58Lowest Astronomical Tide
LAT Date & Time01/23/2019 11:30LAT Date and Time
Tidal Datum Analysis Periods




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