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Datums for 8551910, Reedy Point DE


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8551910, Reedy Point, DE
Status: Accepted (Sep 22 2011)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW5.84Mean Higher-High Water
MHW5.52Mean High Water
MTL2.85Mean Tide Level
MSL2.92Mean Sea Level
DTL2.92Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.97North American Vertical Datum of 1988
STND-1.35Station Datum
GT5.84Great Diurnal Range
MN5.34Mean Range of Tide
DHQ0.32Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI3.73Greenwich High Water Interval (in hours)
LWI10.68Greenwich Low Water Interval (in hours)
Max Tide7.89Highest Observed Tide
Max Tide Date & Time04/17/2011 02:42Highest Observed Tide Date & Time
Min Tide-5.36Lowest Observed Tide
Min Tide Date & Time04/07/1982 23:00Lowest Observed Tide Date & Time
HAT6.83Highest Astronomical Tide
HAT Date & Time06/14/1995 04:18HAT Date and Time
LAT-0.96Lowest Astronomical Tide
LAT Date & Time02/09/1997 11:48LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/1993
01/01/1995 - 12/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8551910 Reedy Point, DE

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