Datums for 9452634, Elfin Cove AK


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9452634, Elfin Cove, AK
Status: Accepted (May 4 2020)
Units: Feet
Control Station: 9451600 Sitka, AK
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.00Mean Higher-High Water
MHW10.12Mean High Water
MTL5.79Mean Tide Level
MSL5.73Mean Sea Level
DTL5.50Mean Diurnal Tide Level
MLW1.46Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-9.37Station Datum
GT11.00Great Diurnal Range
MN8.66Mean Range of Tide
DHQ0.89Mean Diurnal High Water Inequality
DLQ1.46Mean Diurnal Low Water Inequality
HWI9.59Greenwich High Water Interval (in hours)
LWI3.34Greenwich Low Water Interval (in hours)
Max Tide15.02Highest Observed Tide
Max Tide Date & Time12/31/2005 21:24Highest Observed Tide Date & Time
Min Tide-4.73Lowest Observed Tide
Min Tide Date & Time12/05/2021 09:00Lowest Observed Tide Date & Time
HAT14.21Highest Astronomical Tide
HAT Date & Time12/16/2039 21:42HAT Date and Time
LAT-3.36Lowest Astronomical Tide
LAT Date & Time06/07/2039 16:06LAT Date and Time
Tidal Datum Analysis Periods
05/01/2006 - 04/30/2018




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