Datums for 9449771, Rosario, Orcas Island WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9449771, Rosario, Orcas Island, WA
Status: Accepted (Feb 24 2016)
Units: Feet
Control Station: 9449880 Friday Harbor, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW7.89Mean Higher-High Water
MHW7.24Mean High Water
MTL4.77Mean Tide Level
MSL4.65Mean Sea Level
DTL3.94Mean Diurnal Tide Level
MLW2.31Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-2.26Station Datum
GT7.88Great Diurnal Range
MN4.94Mean Range of Tide
DHQ0.64Mean Diurnal High Water Inequality
DLQ2.31Mean Diurnal Low Water Inequality
HWI0.35Greenwich High Water Interval (in hours)
LWI6.35Greenwich 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
HAT9.79Highest Astronomical Tide
HAT Date & Time01/01/1987 15:24HAT Date and Time
LAT-3.78Lowest Astronomical Tide
LAT Date & Time06/22/1986 18:30LAT Date and Time
Tidal Datum Analysis Periods
08/01/2015 - 10/31/2015




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