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Datums for 9449880, Friday Harbor WA


Elevations on Station Datum

Station: 9449880, Friday Harbor, WA
Status: Accepted (Apr 17 2003)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW11.61Mean Higher-High Water
MHW10.96Mean High Water
MTL8.55Mean Tide Level
MSL8.40Mean Sea Level
DTL7.73Mean Diurnal Tide Level
MLW6.14Mean Low Water
MLLW3.85Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT7.76Great Diurnal Range
MN4.82Mean Range of Tide
DHQ0.65Mean Diurnal High Water Inequality
DLQ2.29Mean Diurnal Low Water Inequality
HWI0.46Greenwich High Water Interval (in hours)
LWI6.51Greenwich Low Water Interval (in hours)
Max Tide15.00Highest Observed Tide
Max Tide Date & Time12/16/1982 07:00Highest Observed Tide Date & Time
Min Tide-0.30Lowest Observed Tide
Min Tide Date & Time01/07/1947 22:54Lowest Observed Tide Date & Time
HAT13.57Highest Astronomical Tide
HAT Date & Time12/14/1985 16:12HAT Date and Time
LAT0.18Lowest Astronomical Tide
LAT Date & Time06/22/1986 18:30LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001




Products available at 9449880 Friday Harbor, WA

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