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Datums for 9490424, Kotzebue AK


Elevations on Station Datum

Station: 9490424, Kotzebue, AK
Status: Accepted (Apr 6 2016)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW4.12Mean Higher-High Water
MHW4.05Mean High Water
MTL3.80Mean Tide Level
MSL3.75Mean Sea Level
DTL3.77Mean Diurnal Tide Level
MLW3.54Mean Low Water
MLLW3.41Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT0.71Great Diurnal Range
MN0.51Mean Range of Tide
DHQ0.07Mean Diurnal High Water Inequality
DLQ0.13Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich 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
HAT4.33Highest Astronomical Tide
HAT Date & Time06/12/1988 14:36HAT Date and Time
LAT3.27Lowest Astronomical Tide
LAT Date & Time06/28/1986 03:18LAT Date and Time
Tidal Datum Analysis Periods
07/01/2015 - 09/30/2015




Products available at 9490424 Kotzebue, AK

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