129_Portland, S.Aus._Australia
Datum	Value	Description
Status	14-Nov-2022	Processing Date
Epoch	01-Jan-1991 to 31-Dec-2001	Tidal Datum Analysis Period
MHHW	0.866	Mean Higher-High Water (m)
MHW	0.738	Mean High Water (m)
MTL	0.544	Mean Tide Level (m)
MSL	0.541	Mean Sea Level (m)
DTL	0.556	Mean Diurnal Tide Level (m)
MLW	0.350	Mean Low Water (m)
MLLW	0.246	Mean Lower-Low Water (m)
STND	0.000	Station Datum (m)
GT	0.620	Great Diurnal Range (m)
MN	0.388	Mean Range of Tide (m)
DHQ	0.129	Mean Diurnal High Water Inequality (m)
DLQ	0.104	Mean Diurnal Low Water Inequality (m)
HWI	Unavailable	Greenwich High Water Interval (in hours)
LWI	Unavailable	Greenwich Low Water Interval (in hours)
Maximum	1.603	Highest Observed Water Level (m)
Max Date & Time	28-Jun-2014 03	Highest Observed Water Level Date and Hour (LST)
Minimum	-0.298	Lowest Observed Water Level (m)
Min Date & Time	26-Nov-2003 07	Lowest Observed Water Level Date and Hour (LST)
HAT	1.184	Highest Astronomical Tide (m)
HAT Date & Time	13-Jun-1991 03	HAT Date and Hour (LST)
LAT	-0.054	Lowest Astronomical Tide (m)
LAT Date & Time	13-Mar-1993 22	LAT Date and Hour (LST)
LEV	Unavailable	Switch 1 (m)
LEVB	Unavailable	Switch 2 (m)