Shirley Castle Rainfall At Shirley Castle in Jamaica, for a period of record spanning 1971 – 2014 average annual rainfall sum = 4012.5 mm wettest year on record = 8787 mm of rainfall in 1984 driest year on record = 2088.3 mm of rainfall in 2003 wettest month on average = 625.5 mm of rainfall in … Continue reading Shirley Castle Rainfall