Datums for 9454814, Point Erlington, Erlington Island


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454814, Point Erlington, Erlington Island
Status: Superseded (Apr 17 2003) (Accepted Jan 22 2001)
Units: Feet
Control Station: 9454050 Cordova, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW10.46Mean Higher-High Water
MHW9.53Mean High Water
MTL5.43Mean Tide Level
MSL5.45Mean Sea Level
DTL5.23Mean Diurnal Tide Level
MLW1.33Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND0.73Station Datum
GT10.45Great Diurnal Range
MN8.20Mean Range of Tide
DHQ0.93Mean Diurnal High Water Inequality
DLQ1.33Mean Diurnal Low Water Inequality
HWI9.98Greenwich High Water Interval (in hours)
LWI3.65Greenwich Low Water Interval (in hours)
Max Tide13.21Highest Observed Tide
Max Tide Date & Time10/15/2000 23:06Highest Observed Tide Date & Time
Min Tide-2.50Lowest Observed Tide
Min Tide Date & Time07/12/2002 17:42Lowest Observed Tide Date & Time
HAT13.55Highest Astronomical Tide
HAT Date & Time11/25/2007 21:54HAT Date and Time
LAT-3.46Lowest Astronomical Tide
LAT Date & Time06/07/2039 16:30LAT Date and Time
Tidal Datum Analysis Periods
09/26/2000 - 10/25/2000




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