Datums for 8571421, Bishops Head MD


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8571421, Bishops Head, MD
Status: Accepted (Aug 3 2020)
Units: Feet
Control Station: 8571892 Cambridge, MD
T.M.: 0
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW2.06Mean Higher-High Water
MHW1.90Mean High Water
MTL1.02Mean Tide Level
MSL1.02Mean Sea Level
DTL1.03Mean Diurnal Tide Level
MLW0.14Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.21North American Vertical Datum of 1988
STND-28.95Station Datum
GT2.06Great Diurnal Range
MN1.76Mean Range of Tide
DHQ0.16Mean Diurnal High Water Inequality
DLQ0.14Mean Diurnal Low Water Inequality
HWI6.16Greenwich High Water Interval (in hours)
LWI0.53Greenwich Low Water Interval (in hours)
Max Tide4.66Highest Observed Tide
Max Tide Date & Time10/12/2019 17:24Highest Observed Tide Date & Time
Min Tide-2.16Lowest Observed Tide
Min Tide Date & Time03/03/2018 14:36Lowest Observed Tide Date & Time
HAT2.50Highest Astronomical Tide
HAT Date & Time11/24/1999 19:06HAT Date and Time
LAT-0.23Lowest Astronomical Tide
LAT Date & Time03/10/1997 01:18LAT Date and Time
Tidal Datum Analysis Periods
09/01/2005 - 08/31/2009
04/01/2010 - 03/31/2012
05/01/2014 - 04/30/2019




Products available at 8571421 Bishops Head, MD