Well, look at your data
..
A060,US,M10,WEDNESDAY,SEASONAL
A061,US,M10,WEDNESDAY,SEASONAL
A062,US,M10,WEDNESDAY,SEASONAL
A063,US,M10,WEDNESDAY,SEASONAL
A064,US,M10,WEDNESDAY,SEASONAL
..
..
Put each line in a square bracket making it into an array reference
..
[A060,US,M10,WEDNESDAY,SEASONAL]
[A061,US,M10,WEDNESDAY,SEASONAL]
[A062,US,M10,WEDNESDAY,SEASONAL]
[A063,US,M10,WEDNESDAY,SEASONAL]
[A064,US,M10,WEDNESDAY,SEASONAL]
..
..
Now, separate each line with a comma, and put 
the entire block inside parens making it an array
..
my @aoa = (
  [A060,US,M10,WEDNESDAY,SEASONAL],
  [A061,US,M10,WEDNESDAY,SEASONAL],
  [A062,US,M10,WEDNESDAY,SEASONAL],
  [A063,US,M10,WEDNESDAY,SEASONAL],
  [A064,US,M10,WEDNESDAY,SEASONAL],
);