Datums for 9446804, SANDY POINT ANDERSON ISLAND, PUGET SOUND


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9446804, SANDY POINT ANDERSON ISLAND, PUGET SOUND
Status: Accepted (Feb 19 2016)
Units: Feet
Control Station: 9446484 Tacoma, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.56Mean Higher-High Water
MHW10.76Mean High Water
MTL6.64Mean Tide Level
MSL6.62Mean Sea Level
DTL5.78Mean Diurnal Tide Level
MLW2.53Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-10.15Station Datum
GT11.56Great Diurnal Range
MN8.23Mean Range of Tide
DHQ0.80Mean Diurnal High Water Inequality
DLQ2.52Mean Diurnal Low Water Inequality
HWI0.99Greenwich High Water Interval (in hours)
LWI7.35Greenwich 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
HAT13.85Highest Astronomical Tide
HAT Date & Time01/01/1983 15:30HAT Date and Time
LAT-4.05Lowest Astronomical Tide
LAT Date & Time06/22/1986 19:24LAT Date and Time
Tidal Datum Analysis Periods
08/01/2015 - 10/31/2015




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