Datums for 9440650, Greenhead Slough


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9440650, Greenhead Slough
Status: Accepted (Oct 12 2016)
Units: Feet
Control Station: 9440910 Toke Point, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW10.69Mean Higher-High Water
MHW9.94Mean High Water
MTL5.56Mean Tide Level
MSL5.89Mean Sea Level
DTL5.35Mean Diurnal Tide Level
MLW1.18Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-15.43Station Datum
GT10.69Great Diurnal Range
MN8.76Mean Range of Tide
DHQ0.75Mean Diurnal High Water Inequality
DLQ1.18Mean Diurnal Low Water Inequality
HWI9.77Greenwich High Water Interval (in hours)
LWI3.66Greenwich 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
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
05/01/2016 - 07/31/2016




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