Datums for 9455437, Port Graham

NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9455437, Port Graham
Status: Accepted (Apr 9 2018)
Units: Feet
Control Station: 9455500 Seldovia, AK
T.M.: 135
Epoch: 2012-2016
Datum: MLLW
MHHW16.92Mean Higher-High Water
MHW16.21Mean High Water
MTL8.95Mean Tide Level
MSL8.99Mean Sea Level
DTL8.46Mean Diurnal Tide Level
MLW1.69Mean Low Water
MLLW0.00Mean Lower-Low Water
STND5.19Station Datum
GT16.93Great Diurnal Range
MN14.52Mean Range of Tide
DHQ0.71Mean Diurnal High Water Inequality
DLQ1.69Mean Diurnal Low Water Inequality
HWI11.07Greenwich High Water Interval (in hours)
LWI4.63Greenwich 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
06/01/1980 - 06/30/1980

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