Datums for 8447295, Gray Gables MA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8447295, Gray Gables, MA
Status: Superseded (Apr 17 2003) (Accepted Dec 4 2000)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW4.17Mean Higher-High Water
MHW3.85Mean High Water
MTL2.01Mean Tide Level
MSL1.80Mean Sea Level
DTL2.08Mean Diurnal Tide Level
MLW0.17Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-9.23Station Datum
GT4.18Great Diurnal Range
MN3.68Mean Range of Tide
DHQ0.32Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI0.91Greenwich High Water Interval (in hours)
LWI7.20Greenwich 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
HAT5.18Highest Astronomical Tide
HAT Date & Time11/26/2034 13:06HAT Date and Time
LAT-0.68Lowest Astronomical Tide
LAT Date & Time02/02/2033 20:54LAT Date and Time
Tidal Datum Analysis Periods
08/01/2000 - 09/30/2000




Products available at 8447295 Gray Gables, MA