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Datums for 9454050, Cordova AK


Elevations on Station Datum

Station: 9454050, Cordova, AK
Status: Accepted (Apr 17 2003)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW18.88Mean Higher-High Water
MHW17.96Mean High Water
MTL12.88Mean Tide Level
MSL13.03Mean Sea Level
DTL12.58Mean Diurnal Tide Level
MLW7.80Mean Low Water
MLLW6.29Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT12.59Great Diurnal Range
MN10.17Mean Range of Tide
DHQ0.92Mean Diurnal High Water Inequality
DLQ1.51Mean Diurnal Low Water Inequality
HWI10.07Greenwich High Water Interval (in hours)
LWI3.71Greenwich Low Water Interval (in hours)
Maximum23.76Highest Observed Water Level
Max Date & Time11/11/1981 11:18Highest Observed Water Level Date and Time
Minimum1.40Lowest Observed Water Level
Min Date & Time04/25/1967 06:30Lowest Observed Water Level Date and Time
HAT22.44Highest Astronomical Tide
HAT Date & Time11/13/1985 22:06HAT Date and Time
LAT2.32Lowest Astronomical Tide
LAT Date & Time06/14/1995 17:00LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 9454050 Cordova, AK

Revised: 10/15/2013
NOAA / National Ocean Service
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