1929-1958 1959-1988 Winters in the United States have gotten warmer in the past 30 years, and some of the coldest parts of the country have warmed up the most. In Minnesota, winters between 1989 and 2018 were an average of 3 degrees Fahrenheit warmer, compared to a 20th century baseline, according to data from the National Oceanic and Atmospheric Administration analyzed by The New York Times. Florida’s winters were 1.4 degrees warmer, on average, during that time. For each 30-year period above, the maps show how much warmer or cooler winters were across the contiguous United States, compared to an average winter for that location during the 20th century. Though it might not always feel like it, warmer winters have become more common across most of the country. The most significant temperature increases can be seen in the Northern Great Plains, a region stretching from Montana to Michigan. Between […]