Datums for 9462719, Akun Cove, Akun Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9462719, Akun Cove, Akun Island, AK
Status: Accepted (Jun 4 2010)
Units: Feet
Control Station: 9462620 Unalaska, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW3.09Mean Higher-High Water
MHW2.89Mean High Water
MTL1.69Mean Tide Level
MSL1.72Mean Sea Level
DTL1.55Mean Diurnal Tide Level
MLW0.50Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.11Station Datum
GT3.08Great Diurnal Range
MN2.39Mean Range of Tide
DHQ0.20Mean Diurnal High Water Inequality
DLQ0.49Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HAT4.54Highest Astronomical Tide
HAT Date & Time01/09/2005 22:36HAT Date and Time
LAT-1.92Lowest Astronomical Tide
LAT Date & Time06/15/2026 20:30LAT Date and Time
Tidal Datum Analysis Periods
05/01/2009 - 08/31/2009




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