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Current Datum Value:

Datums for 8761955, Carrollton LA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8761955, Carrollton, LA
Status: Accepted (Dec 19 2011)
Units: Feet
Control Station:
T.M.: 90
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHWMean Higher-High Water
MHWMean High Water
MTLMean Tide Level
MSL7.66Mean Sea Level
DTLMean Diurnal Tide Level
MLWMean Low Water
MLLWMean Lower-Low Water
NAVD88
STND0.00Station Datum
GTGreat Diurnal Range
MNMean Range of Tide
DHQMean Diurnal High Water Inequality
DLQMean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max Tide15.58Highest Observed Tide
Max Tide Date & Time05/17/2011 17:42Highest Observed Tide Date & Time
Min Tide-0.16Lowest Observed Tide
Min Tide Date & Time11/07/2010 18:54Lowest 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
03/01/2009 - 09/30/2009
11/01/2009 - 11/30/2010
03/01/2011 - 09/30/2011




Products available at 8761955 Carrollton, LA

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