GD Case Rainfall
At GD. Case in St Martin, for a period of record spanning 1971 – 2014
average annual rainfall sum = 1030.8 mm
wettest year on record = 2344.7 mm of rainfall in 1999
driest year on record = 529.9 mm of rainfall in 1980
wettest month on average = 150.6 mm of rainfall in October
wettest month on record = 846.2 mm of rainfall in November 1999
peak of wet season = Sept. to Nov. on average with an average of 414.9 mm of rainfall
wettest 3-month period on record = 1616.2 mm of rainfall in Oct. to Dec. 1999
driest month on average = 41.4 mm of rainfall in February
driest month on record = 0.3 mm of rainfall in June 1981
peak of dry season on average = Jan. to Mar. with 143.2 mm of rainfall
driest 3-month period on record = 24.2 mm of rainfall in Jan. to Mar. 1980
Below are links to charts of Monthly and Seasonal rainfall values. Click on each of the thumbnail images to see the respective full image.