By Matt Owens March 5, 2014
The US East Coast has been experiencing a very cold winter. Or has it?
Here in the Washington D.C. area, the last two winters were among the warmest on record. For example, the winter of 2011/12 hardly had a day below freezing. And so it seems that we've quickly grown used to the mild conditions.
However, looking at only the trend in temperature, this winter of 2013/14 is fairly typical of the ones experienced from the 1960's through the 1980's.
In the chart above, I took daily mean temperature data and compiled it inot a set of 7-day averages (the red dots) for easier viewing.
Below is the same data set with just the 7-day periods showing that broke out above the 25 deg C (77 deg F) mark: