The longitude ranges from 20W to 55E.
The latitude ranges from 40N to 40S.
The date is between 1/1/1961 and 12/31/1996
The values should be entered as decimal degrees with a resolution
is 0.1 degrees. West longitudes and south latitude must be entered as
negative numbers. For example, 15W would be entered as -15 or 2.2S would be
entered as -2.2.