040_Adak
Datum	Value	Description
Epoch	01-Jan-1983 to 31-Dec-2001	Tidal Datum Analysis Period
MHHW	200.5	Mean Higher-High Water (cm)
MHW	192	Mean High Water (cm)
MTL	158.2	Mean Tide Level (cm)
MSL	155.3	Mean Sea Level (cm)
DTL	148.9	Mean Diurnal Tide Level (cm)
MLW	124.4	Mean Low Water (cm)
MLLW	97.3	Mean Lower-Low Water (cm)
STND	0	Station Datum (cm)
GT	103.2	Great Diurnal Range (cm)
MN	67.6	Mean Range of Tide (cm)
DHQ	17.2	Mean Diurnal High Water Inequality (cm)
DLQ	57.2	Mean Diurnal Low Water Inequality (cm)
HWI	NaN	Greenwich High Water Interval (in hours)
LWI	NaN	Greenwich Low Water Interval (in hours)
Maximum	295.7	Highest Observed Water Level (cm)
Max Date & Time	28-Dec-1966 14:00:00	Highest Observed Water Level Date and Time (LST)
Minimum	-1.8	Lowest Observed Water Level (cm)
Min Date & Time	26-Nov-2003 01:00:00	Lowest Observed Water Level Date and Time (LST)
HAT	263.3	Highest Astronomical Tide (cm)
HAT Date & Time	30-Dec-1986 13:00:00	HAT Date and Time (LST)
LAT	27.8	Lowest Astronomical Tide (cm)
LAT Date & Time	22-Jun-1986 12:00:00	LAT Date and Time (LST)
LEV	NaN	Switch 1 (cm)
LEVB	NaN	Switch 2 (cm)