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Datums for 9457391, Port Lions, AK AK


Elevations on Station Datum

Station: 9457391, Port Lions, AK, AK
Status: Accepted (Jul 15 2014)
Units: Feet
T.M.: 135
Epoch: 2007-2011
Datum: STND
DatumValueDescription
MHHW31.20Mean Higher-High Water
MHW30.29Mean High Water
MTL26.64Mean Tide Level
MSL26.62Mean Sea Level
DTL26.52Mean Diurnal Tide Level
MLW22.99Mean Low Water
MLLW21.84Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT9.36Great Diurnal Range
MN7.31Mean Range of Tide
DHQ0.91Mean Diurnal High Water Inequality
DLQ1.15Mean Diurnal Low Water Inequality
HWI10.59Greenwich High Water Interval (in hours)
LWI4.28Greenwich 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
HAT34.01Highest Astronomical Tide
HAT Date & Time11/13/1985 22:48HAT Date and Time
LAT18.83Lowest Astronomical Tide
LAT Date & Time05/24/1986 17:12LAT Date and Time
Tidal Datum Analysis Periods
07/07/2009 - 08/05/2009




Products available at 9457391 Port Lions, AK, AK

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