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Datums for 9451349, The Summit AK


Elevations on Station Datum

Station: 9451349, The Summit, AK
Status: Accepted (Jul 16 2009)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW11.94Mean Higher-High Water
MHW11.07Mean High Water
MTL4.72Mean Tide Level
MSL4.78Mean Sea Level
DTL4.34Mean Diurnal Tide Level
MLW-1.64Mean Low Water
MLLW-3.26Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT15.19Great Diurnal Range
MN12.71Mean Range of Tide
DHQ0.87Mean Diurnal High Water Inequality
DLQ1.61Mean Diurnal Low Water Inequality
HWI9.82Greenwich High Water Interval (in hours)
LWI3.58Greenwich 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
HAT15.75Highest Astronomical Tide
HAT Date & Time11/04/1998 21:48HAT Date and Time
LAT-7.68Lowest Astronomical Tide
LAT Date & Time11/14/1985 04:42LAT Date and Time
Tidal Datum Analysis Periods
08/01/2007 - 08/31/2007




Products available at 9451349 The Summit, AK

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