Datums for 8455189, Westerly Pawcatuck RI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8455189, Westerly Pawcatuck, RI
Status: Accepted (Feb 18 2016)
Units: Feet
Control Station: 8461490 New London, Thames River, CT
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.19Mean Higher-High Water
MHW2.90Mean High Water
MTL1.55Mean Tide Level
MSL1.55Mean Sea Level
DTL1.59Mean Diurnal Tide Level
MLW0.20Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.88North American Vertical Datum of 1988
STND-19.27Station Datum
GT3.19Great Diurnal Range
MN2.70Mean Range of Tide
DHQ0.29Mean Diurnal High Water Inequality
DLQ0.20Mean Diurnal Low Water Inequality
HWI1.57Greenwich High Water Interval (in hours)
LWI8.45Greenwich 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
05/01/2015 - 06/30/2015
08/01/2015 - 08/31/2015




Products available at 8455189 Westerly Pawcatuck, RI