041_UnalaskaDutchHarbor
DatumValueDescription
Epoch01-Jan-1983 to 31-Dec-2001Tidal Datum Analysis Period
MHHW190.4Mean Higher-High Water (cm)
MHW181.5Mean High Water (cm)
MTL149Mean Tide Level (cm)
MSL145.5Mean Sea Level (cm)
DTL136.8Mean Diurnal Tide Level (cm)
MLW116.4Mean Low Water (cm)
MLLW83.3Mean Lower-Low Water (cm)
STND0Station Datum (cm)
GT107.1Great Diurnal Range (cm)
MN65.1Mean Range of Tide (cm)
DHQ18.1Mean Diurnal High Water Inequality (cm)
DLQ66.5Mean Diurnal Low Water Inequality (cm)
HWINaNGreenwich High Water Interval (in hours)
LWINaNGreenwich Low Water Interval (in hours)
Maximum271.3Highest Observed Water Level (cm)
Max Date & Time06-Feb-1986 14:00:00Highest Observed Water Level Date and Time (LST)
Minimum-5.9Lowest Observed Water Level (cm)
Min Date & Time13-Dec-2008Lowest Observed Water Level Date and Time (LST)
HAT235.8Highest Astronomical Tide (cm)
HAT Date & Time30-Dec-1990 14:00:00HAT Date and Time (LST)
LAT21.6Lowest Astronomical Tide (cm)
LAT Date & Time22-Jun-1986 12:00:00LAT Date and Time (LST)
LEVNaNSwitch 1 (cm)
LEVBNaNSwitch 2 (cm)