Datums for 9451037, Village Rock AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9451037, Village Rock, AK
Status: Superseded (Apr 17 2003) (Accepted Jul 26 2001)
Units: Feet
Control Station: 9450460 Ketchikan, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW16.12Mean Higher-High Water
MHW15.26Mean High Water
MTL8.39Mean Tide Level
MSL8.37Mean Sea Level
DTL8.06Mean Diurnal Tide Level
MLW1.52Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND7.03Station Datum
GT16.13Great Diurnal Range
MN13.73Mean Range of Tide
DHQ0.86Mean Diurnal High Water Inequality
DLQ1.52Mean Diurnal Low Water Inequality
HWI9.61Greenwich High Water Interval (in hours)
LWI3.12Greenwich 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
HAT20.34Highest Astronomical Tide
HAT Date & Time11/07/2033 21:36HAT Date and Time
LAT-4.84Lowest Astronomical Tide
LAT Date & Time11/25/2003 03:54LAT Date and Time
Tidal Datum Analysis Periods
04/07/2001 - 05/16/2001




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