Datums for 8551762, Delaware City DE

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8551762, Delaware City, DE
Status: Superseded (Apr 17 2003) (Accepted Aug 2 2002)
Units: Feet
Control Station: 8545240 Philadelphia, PA
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW5.97Mean Higher-High Water
MHW5.56Mean High Water
MTL2.87Mean Tide Level
MSL2.93Mean Sea Level
DTL2.98Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-22.26Station Datum
GT5.97Great Diurnal Range
MN5.37Mean Range of Tide
DHQ0.41Mean Diurnal High Water Inequality
DLQ0.19Mean Diurnal Low Water Inequality
HWI3.82Greenwich High Water Interval (in hours)
LWI10.88Greenwich Low Water Interval (in hours)
Max Tide9.87Highest Observed Tide
Max Tide Date & Time10/30/2012 05:42Highest Observed Tide Date & Time
Min Tide-3.44Lowest Observed Tide
Min Tide Date & Time01/07/2018 03:18Lowest Observed Tide Date & Time
HAT7.10Highest Astronomical Tide
HAT Date & Time05/19/2034 04:30HAT Date and Time
LAT-0.97Lowest Astronomical Tide
LAT Date & Time02/12/2032 11:18LAT Date and Time
Tidal Datum Analysis Periods
11/01/2001 - 05/31/2002


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