Datums for 8453742, WEST JAMESTOWN RI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8453742, WEST JAMESTOWN, RI
Status: Accepted (May 3 2004)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.84Mean Higher-High Water
MHW3.60Mean High Water
MTL1.87Mean Tide Level
MSL1.74Mean Sea Level
DTL1.92Mean Diurnal Tide Level
MLW0.15Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-8.67Station Datum
GT3.83Great Diurnal Range
MN3.45Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.14Mean Diurnal Low Water Inequality
HWI0.35Greenwich High Water Interval (in hours)
LWI5.99Greenwich 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
09/01/1977 - 09/30/1977




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