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Datums for 8461392, NORWICH, THAMES RIVER CT


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8461392, NORWICH, THAMES RIVER, CT
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station: 8461490 New London, Thames River, CT
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.58Mean Higher-High Water
MHW3.26Mean High Water
MTL1.75Mean Tide Level
MSL1.86Mean Sea Level
DTL1.79Mean Diurnal Tide Level
MLW0.23Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.98North American Vertical Datum of 1988
STND-4.44Station Datum
GT3.58Great Diurnal Range
MN3.03Mean Range of Tide
DHQ0.32Mean Diurnal High Water Inequality
DLQ0.23Mean Diurnal Low Water Inequality
HWI2.41Greenwich High Water Interval (in hours)
LWI8.80Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
07/01/1989 - 10/31/1989




Products available at 8461392 NORWICH, THAMES RIVER, CT

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