Datums for 8448248, PENIKESE ISLAND MA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8448248, PENIKESE ISLAND, MA
Status: Accepted (Jan 6 2011)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.80Mean Higher-High Water
MHW3.55Mean High Water
MTL1.85Mean Tide Level
MSL1.69Mean Sea Level
DTL1.90Mean Diurnal Tide Level
MLW0.14Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.87Station Datum
GT3.80Great Diurnal Range
MN3.41Mean Range of Tide
DHQ0.25Mean Diurnal High Water Inequality
DLQ0.14Mean Diurnal Low Water Inequality
HWI0.30Greenwich High Water Interval (in hours)
LWI6.09Greenwich 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
04/01/1993 - 10/31/1993




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