Datums for 9454511, Port Chalmers AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9454511, Port Chalmers, AK
Status: Superseded (Apr 17 2003) (Accepted Feb 9 2000)
Units: Feet
Control Station: 9454050 Cordova, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW11.81Mean Higher-High Water
MHW10.89Mean High Water
MTL6.15Mean Tide Level
MSL6.35Mean Sea Level
DTL5.90Mean Diurnal Tide Level
MLW1.42Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND0.04Station Datum
GT11.82Great Diurnal Range
MN9.48Mean Range of Tide
DHQ0.92Mean Diurnal High Water Inequality
DLQ1.43Mean Diurnal Low Water Inequality
HWI10.06Greenwich High Water Interval (in hours)
LWI3.71Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
09/01/1999 - 09/30/1999




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