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Datums for 9462723, Rootok Island AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9462723, Rootok Island, AK
Status: Accepted (Dec 20 2012)
Units: Feet
Control Station: 9459881 King Cove, AK
T.M.: 150
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW5.06Mean Higher-High Water
MHW4.51Mean High Water
MTL2.87Mean Tide Level
MSL2.83Mean Sea Level
DTL2.53Mean Diurnal Tide Level
MLW1.22Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-18.45Station 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)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HAT7.01Highest Astronomical Tide
HAT Date & Time12/31/1986 22:54HAT Date and Time
LAT-2.17Lowest 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