Datums for 9451422, LECONTE BAY AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9451422, LECONTE BAY, AK
Status: Superseded (Apr 17 2003) (Accepted Sep 18 2000)
Units: Feet
Control Station: 9450460 Ketchikan, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW15.94Mean Higher-High Water
MHW14.99Mean High Water
MTL8.28Mean Tide Level
MSL8.41Mean Sea Level
DTL7.97Mean Diurnal Tide Level
MLW1.57Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND4.12Station Datum
GT15.94Great Diurnal Range
MN13.42Mean Range of Tide
DHQ0.95Mean Diurnal High Water Inequality
DLQ1.57Mean Diurnal Low Water Inequality
HWI9.86Greenwich High Water Interval (in hours)
LWI3.61Greenwich 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
HAT19.77Highest Astronomical Tide
HAT Date & Time11/15/2016 22:12HAT Date and Time
LAT-4.46Lowest Astronomical Tide
LAT Date & Time11/25/2003 04:30LAT Date and Time
Tidal Datum Analysis Periods
05/20/1997 - 06/27/1997




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