Timehri Rainfall At Timehri in Guyana, for a period of record spanning 1979 – 2014 average annual rainfall sum = 2619.4 mm wettest year on record = 3619 mm of rainfall in 2000 driest year on record = 1762 mm of rainfall in 1992 wettest month on average = 350 mm of rainfall in June wettest … Continue reading Timehri Rainfall