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Datums for 9454751, Guguak AK


Elevations on Station Datum

Station: 9454751, Guguak, AK
Status: Accepted (Aug 1 2003)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW11.24Mean Higher-High Water
MHW10.31Mean High Water
MTL5.71Mean Tide Level
MSL5.77Mean Sea Level
DTL5.46Mean Diurnal Tide Level
MLW1.12Mean Low Water
MLLW-0.33Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT11.57Great Diurnal Range
MN9.19Mean Range of Tide
DHQ0.94Mean Diurnal High Water Inequality
DLQ1.44Mean Diurnal Low Water Inequality
HWI9.95Greenwich High Water Interval (in hours)
LWI3.67Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
08/07/2002 - 09/12/2002




Products available at 9454751 Guguak, AK

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