253_Newport, RI_United States of America (the)
Datum	Value	Description
Status	14-Nov-2022	Processing Date
Epoch	01-Jan-1983 to 31-Dec-2001	Tidal Datum Analysis Period
MHHW	1.744	Mean Higher-High Water (m)
MHW	1.649	Mean High Water (m)
MTL	1.139	Mean Tide Level (m)
MSL	1.106	Mean Sea Level (m)
DTL	1.164	Mean Diurnal Tide Level (m)
MLW	0.629	Mean Low Water (m)
MLLW	0.585	Mean Lower-Low Water (m)
STND	0.000	Station Datum (m)
GT	1.159	Great Diurnal Range (m)
MN	1.020	Mean Range of Tide (m)
DHQ	0.095	Mean Diurnal High Water Inequality (m)
DLQ	0.044	Mean Diurnal Low Water Inequality (m)
HWI	Unavailable	Greenwich High Water Interval (in hours)
LWI	Unavailable	Greenwich Low Water Interval (in hours)
Maximum	3.068	Highest Observed Water Level (m)
Max Date & Time	29-Oct-2012 22	Highest Observed Water Level Date and Hour (LST)
Minimum	-0.354	Lowest Observed Water Level (m)
Min Date & Time	11-Mar-1933 04	Lowest Observed Water Level Date and Hour (LST)
HAT	2.137	Highest Astronomical Tide (m)
HAT Date & Time	16-Oct-1993 13	HAT Date and Hour (LST)
LAT	0.281	Lowest Astronomical Tide (m)
LAT Date & Time	18-Feb-1984 07	LAT Date and Hour (LST)
LEV	Unavailable	Switch 1 (m)
LEVB	Unavailable	Switch 2 (m)