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Datums for 9459163, Herendeen Island, Shumagin Islands AK


Elevations on Station Datum

Station: 9459163, Herendeen Island, Shumagin Islands, AK
Status: Accepted (Oct 22 2009)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW5.46Mean Higher-High Water
MHW4.70Mean High Water
MTL2.06Mean Tide Level
MSL2.01Mean Sea Level
DTL1.76Mean Diurnal Tide Level
MLW-0.57Mean Low Water
MLLW-1.93Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT7.39Great Diurnal Range
MN5.27Mean Range of Tide
DHQ0.76Mean Diurnal High Water Inequality
DLQ1.36Mean Diurnal Low Water Inequality
HWI11.20Greenwich High Water Interval (in hours)
LWI4.90Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
07/01/2009 - 07/31/2009




Products available at 9459163 Herendeen Island, Shumagin Islands, AK

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