Datums for 9452542, Port Gustavus AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9452542, Port Gustavus, AK
Status: Superseded (Apr 17 2003) (Accepted Sep 20 1999)
Units: Feet
Control Station: 9452210 Juneau, AK
T.M.: 135
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW14.17Mean Higher-High Water
MHW13.31Mean High Water
MTL7.45Mean Tide Level
MSL7.42Mean Sea Level
DTL7.09Mean Diurnal Tide Level
MLW1.59Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND3.51Station Datum
GT14.19Great Diurnal Range
MN11.72Mean Range of Tide
DHQ0.86Mean Diurnal High Water Inequality
DLQ1.59Mean Diurnal Low Water Inequality
HWI10.00Greenwich High Water Interval (in hours)
LWI3.72Greenwich 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
05/19/1999 - 06/07/1999




Products available at 9452542 Port Gustavus, AK