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Datums for 9452210, Juneau AK


Elevations on Station Datum

Station: 9452210, Juneau, AK
Status: Accepted (Apr 29 2014)
Units: Feet
T.M.: 135
Epoch: 2007-2011
Datum: STND
DatumValueDescription
MHHW19.69Mean Higher-High Water
MHW18.72Mean High Water
MTL11.85Mean Tide Level
MSL11.94Mean Sea Level
DTL11.52Mean Diurnal Tide Level
MLW4.98Mean Low Water
MLLW3.38Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT16.31Great Diurnal Range
MN13.74Mean Range of Tide
DHQ0.97Mean Diurnal High Water Inequality
DLQ1.60Mean Diurnal Low Water Inequality
HWI9.77Greenwich High Water Interval (in hours)
LWI3.50Greenwich Low Water Interval (in hours)
Maximum28.20Highest Observed Water Level
Max Date & Time11/02/1948 23:18Highest Observed Water Level Date and Time
Minimum-2.51Lowest Observed Water Level
Min Date & Time12/14/2008 04:36Lowest Observed Water Level Date and Time
HAT24.01Highest Astronomical Tide
HAT Date & Time11/13/1985 22:00HAT Date and Time
LAT-1.46Lowest Astronomical Tide
LAT Date & Time06/14/1999 16:18LAT Date and Time
Tidal Datum Analysis Periods
01/01/2007 - 12/31/2011




Products available at 9452210 Juneau, AK

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