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Status: Superseded (Apr 17 2003) (Accepted Dec 30 1997)
Units: Feet
Control Station:
T.M.: 0
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW12.49Mean Higher-High Water
MHW11.58Mean High Water
MTL6.53Mean Tide Level
MSL6.71Mean Sea Level
DTL6.24Mean Diurnal Tide Level
MLW1.47Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-6.02Station Datum
GT12.49Great Diurnal Range
MN10.11Mean Range of Tide
DHQ0.91Mean Diurnal High Water Inequality
DLQ1.47Mean Diurnal Low Water Inequality
HWI10.11Greenwich High Water Interval (in hours)
LWI3.73Greenwich Low Water Interval (in hours)
Max Tide17.74Highest Observed Tide
Max Tide Date & Time11/11/1981 11:18Highest Observed Tide Date & Time
Min Tide-4.62Lowest Observed Tide
Min Tide Date & Time04/25/1967 06:30Lowest Observed Tide Date & Time
HAT16.14Highest Astronomical Tide
HAT Date & Time11/24/2003 21:54HAT Date and Time
LAT-4.00Lowest Astronomical Tide
LAT Date & Time06/07/2035 17:00LAT Date and Time
Tidal Datum Analysis Periods
01/01/1965 - 12/31/1982




Products available at 9454050 Cordova, AK