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Datums for 9447659, EVERETT WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9447659, EVERETT, WA
Status: Accepted (May 27 2003)
Units: Feet
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.09Mean Higher-High Water
MHW10.21Mean High Water
MTL6.51Mean Tide Level
MSL6.48Mean Sea Level
DTL5.54Mean Diurnal Tide Level
MLW2.80Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD882.03North American Vertical Datum of 1988
STND0.26Station Datum
GT11.09Great Diurnal Range
MN7.41Mean Range of Tide
DHQ0.87Mean Diurnal High Water Inequality
DLQ2.81Mean Diurnal Low Water Inequality
HWI0.41Greenwich High Water Interval (in hours)
LWI6.61Greenwich 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
HAT13.22Highest Astronomical Tide
HAT Date & Time01/01/1983 15:12HAT Date and Time
LAT-4.28Lowest Astronomical Tide
LAT Date & Time06/22/1986 18:42LAT Date and Time
Tidal Datum Analysis Periods
12/01/1995 - 01/31/1996




Products available at 9447659 EVERETT, WA

Revised: 10/15/2013
NOAA / National Ocean Service
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