Datums for 1770000, Pago Pago, American Samoa


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 1770000, Pago Pago, American Samoa
Status: Accepted (Dec 7 2020)
Units: Feet
Control Station:
T.M.: 0
Epoch: 0000-0000
Datum: MLLW
DatumValueDescription
MHHW2.79Mean Higher-High Water
MHW2.65Mean High Water
MTL1.36Mean Tide Level
MSL1.36Mean Sea Level
DTL1.40Mean Diurnal Tide Level
MLW0.06Mean Low Water
MLLW0.00Mean Lower-Low Water
ASVD02
STND-3.32Station Datum
GT2.78Great Diurnal Range
MN2.59Mean Range of Tide
DHQ0.14Mean Diurnal High Water Inequality
DLQ0.06Mean Diurnal Low Water Inequality
HWI6.22Greenwich High Water Interval (in hours)
LWI12.38Greenwich Low Water Interval (in hours)
Max Tide4.04Highest Observed Tide
Max Tide Date & Time02/19/2019 05:42Highest Observed Tide Date & Time
Min Tide-1.11Lowest Observed Tide
Min Tide Date & Time05/06/2016 11:18Lowest Observed Tide Date & Time
HAT3.55Highest Astronomical Tide
HAT Date & Time01/20/1996 05:30HAT Date and Time
LAT-0.64Lowest Astronomical Tide
LAT Date & Time02/08/2001 12:18LAT Date and Time
Tidal Datum Analysis Periods
10/01/2011 - 09/30/2019




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