“This nearly universally held belief that even the most skeptical of us tend to believe is “warming by recollection.” Virtually every person from snowy climes claims that winters today are nothing like they were when they were a child. This recollection reinforces the thought that we are experiencing global warming within our own lifetime. Never mind that the slight warming of ~0.6 oF (0.3 oC) that a typical 45-year-old may have experienced since that big snowfall when he was five years old is much too slight to be recognizable by anyone.” See the data