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Datums for 9444900, Port Townsend WA

Elevations on Station Datum

Station: 9444900, Port Townsend, WA
Status: Accepted (Apr 17 2003)
Units: Feet
T.M.: 0
Epoch: 1983-2001
Datum: STND
MHHW11.88Mean Higher-High Water
MHW11.20Mean High Water
MTL8.53Mean Tide Level
MSL8.36Mean Sea Level
DTL7.62Mean Diurnal Tide Level
MLW5.86Mean Low Water
MLLW3.36Mean Lower-Low Water
STND0.00Station Datum
GT8.52Great Diurnal Range
MN5.34Mean Range of Tide
DHQ0.68Mean Diurnal High Water Inequality
DLQ2.49Mean Diurnal Low Water Inequality
HWI12.34Greenwich High Water Interval (in hours)
LWI5.67Greenwich Low Water Interval (in hours)
Max Tide15.09Highest Observed Tide
Max Tide Date & Time12/10/1993 20:06Highest Observed Tide Date & Time
Min Tide-0.86Lowest Observed Tide
Min Tide Date & Time12/12/1985 22:06Lowest Observed Tide Date & Time
HAT13.35Highest Astronomical Tide
HAT Date & Time12/14/1985 15:18HAT Date and Time
LAT-0.62Lowest Astronomical Tide
LAT Date & Time06/22/1986 17:36LAT Date and Time
Tidal Datum Analysis Periods
01/01/1983 - 12/31/2001

Products available at 9444900 Port Townsend, WA

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services