article_snippet: Treacherous winter storms and heavy snow in the US have caused unusually cold weather, traffic chaos and school closures for over a month.
article_snippet: But despite arctic conditions experts are claiming that this winter was the 19th warmest since records began - and in five states it was the warmest.
article_snippet: Heavy snow in the US has caused unusually cold weather, traffic chaos and school closures for over a month - but experts are saying it was the 19th warmest winter on record .
article_snippet: The average temperature across the US for winter was 34.3 degrees - more than two degrees higher than normal, Market Watch reported.
article_snippet: The comments come after weeks of heavy snowfall and traffic chaos - dubbed the 'Siberian Express' - hit the country.
highlights_snippet: Weeks of heavy snowfall dubbed the Siberian Express had hit the country .
  