Why it is important not to confuse weather and climate; also why it is important to think about what happens to all that moisture kicked up by the hot spells. "Snowpocalypse or Not, 2013 Was One of the Warmest Years on Record"
http://science.time.com/2014/01/21/snowpocalypse-or-not-2013-was-one-of-the-warmest-years-on-record/