Datums for 8720503, Red Bay Point, St Johns River FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8720503, Red Bay Point, St Johns River, FL
Status: Accepted (Sep 26 2011)
Units: Feet
Control Station: 8720218 Mayport (Bar Pilots Dock), FL
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.00Mean Higher-High Water
MHW0.95Mean High Water
MTL0.51Mean Tide Level
MSL0.53Mean Sea Level
DTL0.50Mean Diurnal Tide Level
MLW0.08Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD880.58North American Vertical Datum of 1988
STND0.57Station Datum
GT1.01Great Diurnal Range
MN0.87Mean Range of Tide
DHQ0.05Mean Diurnal High Water Inequality
DLQ0.09Mean Diurnal Low Water Inequality
HWI6.05Greenwich High Water Interval (in hours)
LWI0.31Greenwich Low Water Interval (in hours)
Max Tide3.92Highest Observed Tide
Max Tide Date & Time09/27/2004 05:06Highest Observed Tide Date & Time
Min Tide-1.33Lowest Observed Tide
Min Tide Date & Time04/14/2004 21:12Lowest Observed Tide Date & Time
HAT1.15Highest Astronomical Tide
HAT Date & Time06/14/1999 06:18HAT Date and Time
LAT-0.09Lowest Astronomical Tide
LAT Date & Time02/09/2001 13:18LAT Date and Time
Tidal Datum Analysis Periods
11/01/2003 - 10/31/2005




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