260_DuckPier
Datum	Value	Description
Epoch	01-Jan-1983 to 31-Dec-2001	Tidal Datum Analysis Period
MHHW	677.9	Mean Higher-High Water (cm)
MHW	667.6	Mean High Water (cm)
MTL	620	Mean Tide Level (cm)
MSL	620.3	Mean Sea Level (cm)
DTL	622.4	Mean Diurnal Tide Level (cm)
MLW	572.4	Mean Low Water (cm)
MLLW	566.9	Mean Lower-Low Water (cm)
STND	0	Station Datum (cm)
GT	111	Great Diurnal Range (cm)
MN	95.2	Mean Range of Tide (cm)
DHQ	20.5	Mean Diurnal High Water Inequality (cm)
DLQ	10.5	Mean Diurnal Low Water Inequality (cm)
HWI	NaN	Greenwich High Water Interval (in hours)
LWI	NaN	Greenwich Low Water Interval (in hours)
Maximum	803	Highest Observed Water Level (cm)
Max Date & Time	18-Sep-2003 13:00:00	Highest Observed Water Level Date and Time (LST)
Minimum	485.5	Lowest Observed Water Level (cm)
Min Date & Time	16-Mar-1980 13:00:00	Lowest Observed Water Level Date and Time (LST)
HAT	712.9	Highest Astronomical Tide (cm)
HAT Date & Time	16-Oct-1989 08:00:00	HAT Date and Time (LST)
LAT	539.6	Lowest Astronomical Tide (cm)
LAT Date & Time	08-Feb-1997 14:00:00	LAT Date and Time (LST)
LEV	NaN	Switch 1 (cm)
LEVB	NaN	Switch 2 (cm)