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Datums for 8766072, Freshwater Canal Locks LA


Elevations on Station Datum

Station: 8766072, Freshwater Canal Locks, LA
Status: Accepted (Jul 29 2011)
Units: Feet
T.M.: 90
Epoch: 1983-2001
Datum: STND
DatumValueDescription
MHHW23.11Mean Higher-High Water
MHW22.95Mean High Water
MTL22.21Mean Tide Level
MSL22.19Mean Sea Level
DTL22.03Mean Diurnal Tide Level
MLW21.47Mean Low Water
MLLW20.95Mean Lower-Low Water
NAVD88
STND0.00Station Datum
GT2.15Great Diurnal Range
MN1.48Mean Range of Tide
DHQ0.15Mean Diurnal High Water Inequality
DLQ0.52Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Maximum31.09Highest Observed Water Level
Max Date & Time09/12/2008 23:30Highest Observed Water Level Date and Time
Minimum18.01Lowest Observed Water Level
Min Date & Time12/23/2007 13:18Lowest Observed Water Level Date and Time
HAT23.73Highest Astronomical Tide
HAT Date & Time10/16/1989 22:30HAT Date and Time
LAT19.55Lowest Astronomical Tide
LAT Date & Time01/28/1987 13:06LAT Date and Time
Tidal Datum Analysis Periods
04/01/2006 - 03/31/2008
06/01/2009 - 05/01/2011




Products available at 8766072 Freshwater Canal Locks, LA

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