Input (grade 13): The average annual rainfall es 1,346 mm, with extremes of 2,500 mm or more in the mountainous northeast (the windward side of the island) and 500 mm in the southwestern valleys.
Output (grade 11): The average yearly rainfall is 1,346 mm, with extremes of 2,500 mm or more in the northeastern mountains and 500 mm in the southwestern valleys.