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Status: Superseded (Apr 17 2003) (Accepted May 6 1998)
Units: Feet
Control Station: 8557380 Lewes, DE
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW5.98Mean Higher-High Water
MHW5.68Mean High Water
MTL2.93Mean Tide Level
MSL2.99Mean Sea Level
DTL2.99Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.04Station Datum
GT5.98Great Diurnal Range
MN5.50Mean Range of Tide
DHQ0.30Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI3.68Greenwich High Water Interval (in hours)
LWI10.64Greenwich Low Water Interval (in hours)
Max Tide9.55Highest Observed Tide
Max Tide Date & Time04/17/2011 02:42Highest Observed Tide Date & Time
Min Tide-3.70Lowest Observed Tide
Min Tide Date & Time04/07/1982 23:00Lowest Observed Tide Date & Time
HAT6.90Highest Astronomical Tide
HAT Date & Time08/22/2036 03:48HAT Date and Time
LAT-0.91Lowest Astronomical Tide
LAT Date & Time02/01/2014 11:24LAT Date and Time
Tidal Datum Analysis Periods
03/01/1982 - 12/31/1990


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