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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: Accepted (Apr 11 2018)
Units: Feet
Control Station: 8551910 Reedy Point, DE
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW6.00Mean Higher-High Water
MHW5.62Mean High Water
MTL2.90Mean Tide Level
MSL2.96Mean Sea Level
DTL3.00Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-22.40Station Datum
GT6.00Great Diurnal Range
MN5.44Mean Range of Tide
DHQ0.38Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI3.87Greenwich High Water Interval (in hours)
LWI10.86Greenwich Low Water Interval (in hours)
Max Tide-12.67Highest Observed Tide
Max Tide Date & Time10/30/2012 05:42Highest Observed Tide Date & Time
Min Tide-25.97Lowest Observed Tide
Min Tide Date & Time01/07/2018 03:18Lowest Observed Tide Date & Time
HAT6.61Highest Astronomical Tide
HAT Date & Time11/04/1994 16:18HAT Date and Time
LAT-0.46Lowest Astronomical Tide
LAT Date & Time02/09/1997 12:00LAT Date and Time
Tidal Datum Analysis Periods
09/01/2002 - 08/31/2017




Products available at 8551762 Delaware City, DE

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services