571_Ketchikan, AK_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	6.578	Mean Higher-High Water (m)
MHW	6.299	Mean High Water (m)
MTL	4.343	Mean Tide Level (m)
MSL	4.345	Mean Sea Level (m)
DTL	4.244	Mean Diurnal Tide Level (m)
MLW	2.386	Mean Low Water (m)
MLLW	1.910	Mean Lower-Low Water (m)
STND	0.000	Station Datum (m)
GT	4.668	Great Diurnal Range (m)
MN	3.913	Mean Range of Tide (m)
DHQ	0.278	Mean Diurnal High Water Inequality (m)
DLQ	0.476	Mean Diurnal Low Water Inequality (m)
HWI	Unavailable	Greenwich High Water Interval (in hours)
LWI	Unavailable	Greenwich Low Water Interval (in hours)
Maximum	8.291	Highest Observed Water Level (m)
Max Date & Time	02-Dec-1967 22	Highest Observed Water Level Date and Hour (LST)
Minimum	0.315	Lowest Observed Water Level (m)
Min Date & Time	14-Dec-2008 04	Lowest Observed Water Level Date and Hour (LST)
HAT	7.844	Highest Astronomical Tide (m)
HAT Date & Time	05-Nov-1998 22	HAT Date and Hour (LST)
LAT	0.498	Lowest Astronomical Tide (m)
LAT Date & Time	09-Aug-1983 16	LAT Date and Hour (LST)
LEV	Unavailable	Switch 1 (m)
LEVB	Unavailable	Switch 2 (m)