The overall warming of the atmosphere that has resulted from the buildup of greenhouse gases has generally tipped the odds in favor of more extreme warm temperatures and fewer cold ones. (wxshift.com)
It is virtually certain that over most land areas, there will be warmer and fewer cold days and nights, warmer and more frequent hot days and nights. (rogerpielkejr.blogspot.ru)
Scientists call this a decrease in temperature variance, and it implies fewer temperature extremes, in this case notably fewer cold extremes. (theconversation.com)