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Current Datum Value: 2.29

Datums for 8447281, STEEPBROOK MA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8447281, STEEPBROOK, MA
Status: Accepted (Mar 30 2004)
Units: Feet
Control Station: 8454000 Providence, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.94Mean Higher-High Water
MHW4.69Mean High Water
MTL2.44Mean Tide Level
MSL2.27Mean Sea Level
DTL2.47Mean Diurnal Tide Level
MLW0.19Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.29Station Datum
GT4.93Great Diurnal Range
MN4.51Mean Range of Tide
DHQ0.25Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI0.70Greenwich High Water Interval (in hours)
LWI6.00Greenwich 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
10/01/1977 - 10/31/1977




Products available at 8447281 STEEPBROOK, MA

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