Datums for 8447368, Great Hill MA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8447368, Great Hill, MA
Status: Accepted (Apr 20 2010)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.41Mean Higher-High Water
MHW4.15Mean High Water
MTL2.17Mean Tide Level
MSL1.94Mean Sea Level
DTL2.21Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-4.05Station Datum
GT4.41Great Diurnal Range
MN3.97Mean Range of Tide
DHQ0.27Mean Diurnal High Water Inequality
DLQ0.18Mean Diurnal Low Water Inequality
HWI0.53Greenwich High Water Interval (in hours)
LWI6.30Greenwich 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
05/01/2009 - 10/31/2009




Products available at 8447368 Great Hill, MA