Datums for 9462450, Nikolski AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9462450, Nikolski, AK
Status: Accepted (Oct 27 2020)
Units: Feet
Control Station: 9462620 Unalaska, AK
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW4.00Mean Higher-High Water
MHW3.67Mean High Water
MTL2.34Mean Tide Level
MSL2.30Mean Sea Level
DTL2.01Mean Diurnal Tide Level
MLW1.01Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.59North American Vertical Datum of 1988
STND-4.07Station Datum
GT4.00Great Diurnal Range
MN2.66Mean Range of Tide
DHQ0.34Mean Diurnal High Water Inequality
DLQ1.01Mean Diurnal Low Water Inequality
HWI2.55Greenwich High Water Interval (in hours)
LWI8.55Greenwich Low Water Interval (in hours)
Max Tide6.39Highest Observed Tide
Max Tide Date & Time12/08/2012 21:06Highest Observed Tide Date & Time
Min Tide-2.84Lowest Observed Tide
Min Tide Date & Time12/13/2008 08:30Lowest Observed Tide Date & Time
HAT5.20Highest Astronomical Tide
HAT Date & Time12/30/1990 23:00HAT Date and Time
LAT-2.10Lowest Astronomical Tide
LAT Date & Time06/22/1986 21:00LAT Date and Time
Tidal Datum Analysis Periods
12/01/2008 - 11/30/2009
08/01/2010 - 07/31/2012
01/01/2013 - 12/31/2018




Products available at 9462450 Nikolski, AK