Datums for 9454329, Cape Hichinbrook AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454329, Cape Hichinbrook, AK
Status: Accepted (Aug 6 2013)
Units: Feet
Control Station: 9454050 Cordova, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.25Mean Higher-High Water
MHW10.34Mean High Water
MTL5.91Mean Tide Level
MSL5.95Mean Sea Level
DTL5.63Mean Diurnal Tide Level
MLW1.48Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND0.14Station Datum
GT11.24Great Diurnal Range
MN8.85Mean Range of Tide
DHQ0.91Mean Diurnal High Water Inequality
DLQ1.48Mean Diurnal Low Water Inequality
HWI9.88Greenwich High Water Interval (in hours)
LWI3.68Greenwich 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
HAT15.64Highest Astronomical Tide
HAT Date & Time11/25/2007 21:54HAT Date and Time
LAT-4.30Lowest Astronomical Tide
LAT Date & Time05/27/2021 16:48LAT Date and Time
Tidal Datum Analysis Periods
07/14/1984 - 08/13/1984




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