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Datums for 9451421, Golf Island AK


Elevations on Station Datum

Station: 9451421, Golf Island, AK
Status: Accepted (Sep 11 2003)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW10.38Mean Higher-High Water
MHW9.62Mean High Water
MTL5.86Mean Tide Level
MSL5.84Mean Sea Level
DTL5.53Mean Diurnal Tide Level
MLW2.09Mean Low Water
MLLW0.68Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT9.70Great Diurnal Range
MN7.53Mean Range of Tide
DHQ0.76Mean Diurnal High Water Inequality
DLQ1.41Mean Diurnal Low Water Inequality
HWI9.49Greenwich High Water Interval (in hours)
LWI3.24Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and Time
HAT12.60Highest Astronomical Tide
HAT Date & Time11/13/1985 21:30HAT Date and Time
LAT-2.24Lowest Astronomical Tide
LAT Date & Time12/13/1985 04:12LAT Date and Time
Tidal Datum Analysis Periods
05/09/2003 - 06/26/2003




Products available at 9451421 Golf Island, AK

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services