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Datums for 9454050, Cordova AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454050, Cordova, AK
Status: Accepted (Apr 17 2003)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW12.59Mean Higher-High Water
MHW11.67Mean High Water
MTL6.59Mean Tide Level
MSL6.74Mean Sea Level
DTL6.29Mean Diurnal Tide Level
MLW1.51Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-6.29Station 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)
Max Tide17.47Highest Observed Tide
Max Tide Date & Time11/11/1981 11:18Highest Observed Tide Date & Time
Min Tide-4.89Lowest Observed Tide
Min Tide Date & Time04/25/1967 06:30Lowest Observed Tide Date & Time
HAT16.15Highest Astronomical Tide
HAT Date & Time11/13/1985 22:06HAT Date and Time
LAT-3.97Lowest 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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