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Datums for 1770000, Pago Pago, American Samoa


Elevations on Station Datum

Station: 1770000, Pago Pago, American Samoa
Status: Accepted (Sep 22 2017)
Units: Feet
T.M.: 0
Epoch: 0000-0000
Datum: STND
DatumValueDescription
MHHW5.98Mean Higher-High Water
MHW5.85Mean High Water
MTL4.56Mean Tide Level
MSL4.56Mean Sea Level
DTL4.60Mean Diurnal Tide Level
MLW3.27Mean Low Water
MLLW3.21Mean Lower-Low Water
ASVD02
STND0.00Station Datum
GT2.77Great Diurnal Range
MN2.58Mean Range of Tide
DHQ0.14Mean Diurnal High Water Inequality
DLQ0.06Mean Diurnal Low Water Inequality
HWI6.21Greenwich High Water Interval (in hours)
LWI12.37Greenwich Low Water Interval (in hours)
Maximum7.17Highest Observed Water Level
Max Date & Time12/14/2016 06:00Highest Observed Water Level Date and Time
Minimum2.21Lowest Observed Water Level
Min Date & Time05/06/2016 11:18Lowest Observed Water Level Date and Time
HAT6.75Highest Astronomical Tide
HAT Date & Time01/20/1996 05:30HAT Date and Time
LAT2.56Lowest Astronomical Tide
LAT Date & Time02/08/2001 12:18LAT Date and Time
Tidal Datum Analysis Periods
10/01/2011 - 09/30/2016




Products available at 1770000 Pago Pago, American Samoa,

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