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Datums for 9452210, Juneau AK


NOTICE: This stations datums are computed using the 5-year Modified Procedure

Elevations on Mean Lower Low Water

Station: 9452210, Juneau, AK
Status: Accepted (Feb 6 2018)
Units: Feet
Control Station:
T.M.: 135
Epoch: 2012-2016
Datum: MLLW
DatumValueDescription
MHHW16.30Mean Higher-High Water
MHW15.34Mean High Water
MTL8.47Mean Tide Level
MSL8.58Mean Sea Level
DTL8.21Mean Diurnal Tide Level
MLW1.60Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.15Station Datum
GT16.31Great Diurnal Range
MN13.74Mean Range of Tide
DHQ0.97Mean Diurnal High Water Inequality
DLQ1.60Mean Diurnal Low Water Inequality
HWI9.78Greenwich High Water Interval (in hours)
LWI3.51Greenwich Low Water Interval (in hours)
Max Tide25.05Highest Observed Tide
Max Tide Date & Time11/02/1948 23:18Highest Observed Tide Date & Time
Min Tide-5.66Lowest Observed Tide
Min Tide Date & Time12/14/2008 04:36Lowest Observed Tide Date & Time
HAT20.65Highest Astronomical Tide
HAT Date & Time11/13/1985 22:00HAT Date and Time
LAT-4.82Lowest Astronomical Tide
LAT Date & Time06/14/1999 16:18LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001
01/01/2012 - 12/31/2016




Products available at 9452210 Juneau, AK

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