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Current Datum Value: 1.08

Datums for 9447814, GLENDALE, POSSESSION SOUND WA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 9447814, GLENDALE, POSSESSION SOUND, WA
Status: Accepted (Jul 8 2004)
Units: Feet
Control Station: 9447130 Seattle, WA
T.M.: 120
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW11.03Mean Higher-High Water
MHW10.19Mean High Water
MTL6.51Mean Tide Level
MSL6.48Mean Sea Level
DTL5.51Mean Diurnal Tide Level
MLW2.82Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-1.08Station Datum
GT11.04Great Diurnal Range
MN7.38Mean Range of Tide
DHQ0.84Mean Diurnal High Water Inequality
DLQ2.83Mean Diurnal Low Water Inequality
HWI0.41Greenwich High Water Interval (in hours)
LWI6.59Greenwich 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
02/01/1977 - 02/28/1977
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 9447814 GLENDALE, POSSESSION SOUND, WA

Revised: 08/08/2018
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services