According to an analysis conducted by NOAA, North America, and in particular the U.S., have experienced the warmest 12-month period from 1895 to the present. Besides meteorologists have found that recently ended in spring 2012 was the warmest in this part of the world.
The maximum temperature readings for all U.S. states. March-May 2012
The average temperature during May this year amounted to 17,9 ° C, which is 1,8 ° above normal. For the country as a whole it was the second heat of May in history. NOAA also reports that the first five months of 2012 were the warmest, counting from the end of the 19th century. In addition, in the period from June 2011 to May 2012, the U.S. experienced a fourth-winter and the heat of the second highest temperature summer.