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Datums for 9466931, Dall Point AK


Elevations on Station Datum

Station: 9466931, Dall Point, AK
Status: Accepted (Oct 14 2011)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW46.19Mean Higher-High Water
MHW45.49Mean High Water
MTL43.79Mean Tide Level
MSL43.58Mean Sea Level
DTL43.97Mean Diurnal Tide Level
MLW42.11Mean Low Water
MLLW41.74Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT4.45Great Diurnal Range
MN3.38Mean Range of Tide
DHQ0.70Mean Diurnal High Water Inequality
DLQ0.37Mean Diurnal Low Water Inequality
HWI9.66Greenwich High Water Interval (in hours)
LWI4.89Greenwich 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
HAT47.33Highest Astronomical Tide
HAT Date & Time11/15/1985 23:48HAT Date and Time
LAT40.01Lowest Astronomical Tide
LAT Date & Time11/16/1985 06:54LAT Date and Time
Tidal Datum Analysis Periods
07/01/2007 - 08/31/2007




Products available at 9466931 Dall Point, AK

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