Datums for 8454049, Quonset Point RI


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8454049, Quonset Point, RI
Status: Accepted (Jul 18 2012)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.10Mean Higher-High Water
MHW3.86Mean High Water
MTL2.01Mean Tide Level
MSL1.86Mean Sea Level
DTL2.05Mean Diurnal Tide Level
MLW0.16Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-23.03Station Datum
GT4.10Great Diurnal Range
MN3.70Mean Range of Tide
DHQ0.24Mean Diurnal High Water Inequality
DLQ0.15Mean Diurnal Low Water Inequality
HWI0.38Greenwich High Water Interval (in hours)
LWI5.89Greenwich Low Water Interval (in hours)
Max Tide7.30Highest Observed Tide
Max Tide Date & Time04/16/2007 11:12Highest Observed Tide Date & Time
Min Tide-2.75Lowest Observed Tide
Min Tide Date & Time02/11/2001 21:06Lowest Observed Tide Date & Time
HAT5.41Highest Astronomical Tide
HAT Date & Time10/16/1993 12:54HAT Date and Time
LAT-1.03Lowest Astronomical Tide
LAT Date & Time03/09/1993 06:36LAT Date and Time
Tidal Datum Analysis Periods
06/01/2000 - 05/31/2011




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