LBI Rainfall At LBI in Guyana, for a period of record spanning 1979 – 2014 average annual rainfall sum = 1829.1 mm wettest year on record = 2972.1 mm of rainfall in 2008 driest year on record = 1042.3 mm of rainfall in 1992 wettest month on average = 244.6 mm of rainfall in May wettest … Continue reading LBI Rainfall