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: Accepted (May 19 2003)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.11Mean Higher-High Water
MHW3.79Mean High Water
MTL1.99Mean Tide Level
MSL1.77Mean Sea Level
DTL2.06Mean Diurnal Tide Level
MLW0.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-9.45Station Datum
GT4.10Great Diurnal Range
MN3.62Mean Range of Tide
DHQ0.31Mean Diurnal High Water Inequality
DLQ0.17Mean Diurnal Low Water Inequality
HWI0.88Greenwich High Water Interval (in hours)
LWI7.19Greenwich 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
08/01/2000 - 09/30/2000




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