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Datums for 9455912, Fire Island, Cook Inlet AK


Elevations on Station Datum

Station: 9455912, Fire Island, Cook Inlet, AK
Status: Accepted (Apr 16 2004)
Units: Feet
T.M.: 135
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW30.89Mean Higher-High Water
MHW30.18Mean High Water
MTL18.18Mean Tide Level
MSL18.86Mean Sea Level
DTL17.44Mean Diurnal Tide Level
MLW6.18Mean Low Water
MLLW3.98Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT26.91Great Diurnal Range
MN24.00Mean Range of Tide
DHQ0.71Mean Diurnal High Water Inequality
DLQ2.20Mean Diurnal Low Water Inequality
HWI3.37Greenwich High Water Interval (in hours)
LWI9.97Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and Time
HAT36.77Highest Astronomical Tide
HAT Date & Time11/05/1998 03:42HAT Date and Time
LAT-2.37Lowest Astronomical Tide
LAT Date & Time05/16/1999 22:42LAT Date and Time
Tidal Datum Analysis Periods
06/01/2001 - 08/31/2001
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9455912 Fire Island, Cook Inlet, AK

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services