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Datums for 9462723, Rootok Island AK


Elevations on Station Datum

Station: 9462723, Rootok Island, AK
Status: Accepted (Dec 20 2012)
Units: Feet
T.M.: 150
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW23.51Mean Higher-High Water
MHW22.96Mean High Water
MTL21.32Mean Tide Level
MSL21.28Mean Sea Level
DTL20.98Mean Diurnal Tide Level
MLW19.67Mean Low Water
MLLW18.45Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT5.06Great Diurnal Range
MN3.28Mean Range of Tide
DHQ0.55Mean Diurnal High Water Inequality
DLQ1.23Mean 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
HAT25.46Highest Astronomical Tide
HAT Date & Time12/31/1986 22:54HAT Date and Time
LAT16.28Lowest Astronomical Tide
LAT Date & Time06/22/1986 18:12LAT Date and Time
Tidal Datum Analysis Periods
07/01/2012 - 07/31/2012




Products available at 9462723 Rootok Island, AK

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