Datums for 8419317, Wells ME


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8419317, Wells, ME
Status: Accepted (Sep 14 2017)
Units: Feet
Control Station: 8418150 Portland, ME
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW9.56Mean Higher-High Water
MHW9.13Mean High Water
MTL4.73Mean Tide Level
MSL4.77Mean Sea Level
DTL4.78Mean Diurnal Tide Level
MLW0.34Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD885.14North American Vertical Datum of 1988
STND-14.77Station Datum
GT9.56Great Diurnal Range
MN8.79Mean Range of Tide
DHQ0.43Mean Diurnal High Water Inequality
DLQ0.34Mean Diurnal Low Water Inequality
HWI3.71Greenwich High Water Interval (in hours)
LWI9.79Greenwich Low Water Interval (in hours)
Max Tide13.35Highest Observed Tide
Max Tide Date & Time01/04/2018 17:48Highest Observed Tide Date & Time
Min Tide-3.07Lowest Observed Tide
Min Tide Date & Time02/20/2015 23:00Lowest Observed Tide Date & Time
HAT11.66Highest Astronomical Tide
HAT Date & Time11/05/1998 16:24HAT Date and Time
LAT-2.18Lowest Astronomical Tide
LAT Date & Time12/23/1999 22:24LAT Date and Time
Tidal Datum Analysis Periods
12/01/2005 - 11/30/2008
12/01/2009 - 11/30/2010
07/01/2011 - 06/30/2016




Products available at 8419317 Wells, ME