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Datums for 9497645, Prudhoe Bay AK


Elevations on Station Datum

Station: 9497645, Prudhoe Bay, AK
Status: Accepted (Sep 20 2017)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW36.54Mean Higher-High Water
MHW36.43Mean High Water
MTL36.17Mean Tide Level
MSL36.18Mean Sea Level
DTL36.19Mean Diurnal Tide Level
MLW35.92Mean Low Water
MLLW35.84Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT0.70Great Diurnal Range
MN0.51Mean Range of Tide
DHQ0.11Mean Diurnal High Water Inequality
DLQ0.08Mean Diurnal Low Water Inequality
HWI9.64Greenwich High Water Interval (in hours)
LWI3.54Greenwich Low Water Interval (in hours)
Maximum40.64Highest Observed Water Level
Max Date & Time08/11/2000 17:24Highest Observed Water Level Date and Time
Minimum32.41Lowest Observed Water Level
Min Date & Time03/04/2013 18:54Lowest Observed Water Level Date and Time
HAT37.34Highest Astronomical Tide
HAT Date & Time07/27/1984 21:42HAT Date and Time
LAT35.16Lowest Astronomical Tide
LAT Date & Time03/20/1988 16:36LAT Date and Time
Tidal Datum Analysis Periods
12/01/1993 - 11/30/2004
03/01/2006 - 02/29/2008
07/01/2008 - 06/30/2011




Products available at 9497645 Prudhoe Bay, AK

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