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Datums for 8461490, New London, Thames River CT


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8461490, New London, Thames River, CT
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.05Mean Higher-High Water
MHW2.76Mean High Water
MTL1.48Mean Tide Level
MSL1.54Mean Sea Level
DTL1.53Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.84North American Vertical Datum of 1988
STND-3.52Station Datum
GT3.05Great Diurnal Range
MN2.56Mean Range of Tide
DHQ0.29Mean Diurnal High Water Inequality
DLQ0.19Mean Diurnal Low Water Inequality
HWI2.02Greenwich High Water Interval (in hours)
LWI8.49Greenwich Low Water Interval (in hours)
Max Tide10.58Highest Observed Tide
Max Tide Date & Time09/21/1938 16:42Highest Observed Tide Date & Time
Min Tide-4.00Lowest Observed Tide
Min Tide Date & Time02/02/1976 18:00Lowest Observed Tide Date & Time
HAT3.88Highest Astronomical Tide
HAT Date & Time05/24/1986 01:48HAT Date and Time
LAT-0.81Lowest Astronomical Tide
LAT Date & Time01/21/1996 21:12LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 8461490 New London, Thames River, CT

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services