Datums for 8448725, Menemsha Harbor, MA MA

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8448725, Menemsha Harbor, MA, MA
Status: Accepted (Feb 7 2013)
Units: Feet
Control Station: 8452660 Newport, RI
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
MHHW3.14Mean Higher-High Water
MHW2.88Mean High Water
MTL1.51Mean Tide Level
MSL1.37Mean Sea Level
DTL1.57Mean Diurnal Tide Level
MLW0.13Mean Low Water
MLLW0.00Mean Lower-Low Water
STND-25.24Station Datum
GT3.14Great Diurnal Range
MN2.76Mean Range of Tide
DHQ0.26Mean Diurnal High Water Inequality
DLQ0.12Mean Diurnal Low Water Inequality
HWI0.60Greenwich High Water Interval (in hours)
LWI6.77Greenwich Low Water Interval (in hours)
Max Tide5.42Highest Observed Tide
Max Tide Date & Time12/12/2008 12:36Highest Observed Tide Date & Time
Min Tide-1.64Lowest Observed Tide
Min Tide Date & Time01/30/2010 06:24Lowest Observed Tide Date & Time
HAT4.18Highest Astronomical Tide
HAT Date & Time10/27/2011 12:48HAT Date and Time
LAT-0.86Lowest Astronomical Tide
LAT Date & Time03/21/2015 07:30LAT Date and Time
Tidal Datum Analysis Periods
09/01/2008 - 08/31/2010
05/01/2011 - 04/30/2012

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