Datums for 9450364, Hydaburg, Sukkwan Strait AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9450364, Hydaburg, Sukkwan Strait, AK
Status: Accepted (Jan 12 2009)
Units: Feet
Control Station: 9450460 Ketchikan, AK
T.M.: 135
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW13.04Mean Higher-High Water
MHW12.14Mean High Water
MTL6.84Mean Tide Level
MSL6.81Mean Sea Level
DTL6.52Mean Diurnal Tide Level
MLW1.55Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.09Station Datum
GT13.04Great Diurnal Range
MN10.59Mean Range of Tide
DHQ0.90Mean Diurnal High Water Inequality
DLQ1.55Mean Diurnal Low Water Inequality
HWI9.47Greenwich High Water Interval (in hours)
LWI3.20Greenwich 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
HAT16.75Highest Astronomical Tide
HAT Date & Time11/24/2003 21:24HAT Date and Time
LAT-3.92Lowest Astronomical Tide
LAT Date & Time06/07/2039 16:00LAT Date and Time
Tidal Datum Analysis Periods
10/08/2008 - 11/09/2008




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