NOAA Web Site Link Tides and Currents Home Page Transparent placeholder image

Datums for 8452944, Conimicut Light RI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8452944, Conimicut Light, RI
Status: Accepted (Dec 21 2012)
Units: Feet
Control Station: 8454000 Providence, RI
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.58Mean Higher-High Water
MHW4.33Mean High Water
MTL2.25Mean Tide Level
MSL2.10Mean Sea Level
DTL2.29Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-18.54Station Datum
GT4.59Great Diurnal Range
MN4.17Mean Range of Tide
DHQ0.25Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI0.46Greenwich High Water Interval (in hours)
LWI5.88Greenwich Low Water Interval (in hours)
Max Tide9.00Highest Observed Tide
Max Tide Date & Time10/29/2012 23:18Highest Observed Tide Date & Time
Min Tide-2.79Lowest Observed Tide
Min Tide Date & Time02/11/2001 20:54Lowest Observed Tide Date & Time
HAT6.07Highest Astronomical Tide
HAT Date & Time10/16/1993 13:00HAT Date and Time
LAT-1.10Lowest Astronomical Tide
LAT Date & Time03/09/1993 06:30LAT Date and Time
Tidal Datum Analysis Periods
08/01/2001 - 07/31/2009
05/01/2010 - 04/30/2012




Products available at 8452944 Conimicut Light, RI

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