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Datums for 9452438, Hoonah, Port Fredrick AK


Elevations on Station Datum

Station: 9452438, Hoonah, Port Fredrick, AK
Status: Accepted (Jun 4 2014)
Units: Feet
T.M.: 135
Epoch: 2007-2011
Datum: STND
DatumValueDescription
MHHW56.18Mean Higher-High Water
MHW55.25Mean High Water
MTL48.99Mean Tide Level
MSL49.07Mean Sea Level
DTL48.67Mean Diurnal Tide Level
MLW42.73Mean Low Water
MLLW41.17Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT15.01Great Diurnal Range
MN12.52Mean Range of Tide
DHQ0.93Mean Diurnal High Water Inequality
DLQ1.57Mean Diurnal Low Water Inequality
HWI9.74Greenwich High Water Interval (in hours)
LWI3.50Greenwich Low Water Interval (in hours)
MaximumHighest Observed Water Level
Max Date & Time Highest Observed Water Level Date and Time
MinimumLowest Observed Water Level
Min Date & Time Lowest Observed Water Level Date and 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
11/01/2009 - 11/30/2009




Products available at 9452438 Hoonah, Port Fredrick, AK

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services