560_Seward, 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	16.73	Mean Higher-High Water (ft)
MHW	15.81	Mean High Water (ft)
MTL	11.69	Mean Tide Level (ft)
MSL	11.70	Mean Sea Level (ft)
DTL	11.46	Mean Diurnal Tide Level (ft)
MLW	7.57	Mean Low Water (ft)
MLLW	6.20	Mean Lower-Low Water (ft)
STND	0.00	Station Datum (ft)
GT	10.53	Great Diurnal Range (ft)
MN	8.24	Mean Range of Tide (ft)
DHQ	0.91	Mean Diurnal High Water Inequality (ft)
DLQ	1.37	Mean Diurnal Low Water Inequality (ft)
HWI	Unavailable	Greenwich High Water Interval (in hours)
LWI	Unavailable	Greenwich Low Water Interval (in hours)
Maximum	21.60	Highest Observed Water Level (ft)
Max Date & Time	01-Jan-1987 22	Highest Observed Water Level Date and Hour (LST)
Minimum	1.21	Lowest Observed Water Level (ft)
Min Date & Time	14-Dec-2008 04	Lowest Observed Water Level Date and Hour (LST)
HAT	19.96	Highest Astronomical Tide (ft)
HAT Date & Time	13-Nov-1985 22	HAT Date and Hour (LST)
LAT	2.71	Lowest Astronomical Tide (ft)
LAT Date & Time	25-May-1990 16	LAT Date and Hour (LST)
LEV	Unavailable	Switch 1 (ft)
LEVB	Unavailable	Switch 2 (ft)