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Want some proof? How about this?
On September 12, 2015, Havana, Cuba, was hotter than it's ever been there, reaching a high of 38.2°C (100.8°F). The previous all-time record high there was set just five months earlier.
http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=3111
I suppose. But I need more. What else you got?