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Datums for 8464336, MIDDLETOWN, CONNECTICUT RIVER CT


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8464336, MIDDLETOWN, CONNECTICUT RIVER, CT
Status: Accepted (Jun 12 2003)
Units: Feet
Control Station: 8461490 New London, Thames River, CT
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.53Mean Higher-High Water
MHW2.28Mean High Water
MTL1.20Mean Tide Level
MSL1.23Mean Sea Level
DTL1.27Mean Diurnal Tide Level
MLW0.11Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.61North American Vertical Datum of 1988
STND-7.42Station Datum
GT2.53Great Diurnal Range
MN2.17Mean Range of Tide
DHQ0.25Mean Diurnal High Water Inequality
DLQ0.11Mean Diurnal Low Water Inequality
HWI5.91Greenwich High Water Interval (in hours)
LWI0.71Greenwich 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
06/01/1987 - 09/30/1987
06/01/1988 - 09/30/1988




Products available at 8464336 MIDDLETOWN, CONNECTICUT RIVER, CT

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