Larchmont, New York
Mean temperatures for the January 21-30, 2014 period included: Baltimore: 18.95 degrees (coldest since January 15-24, 1994); Detroit: 9.00 degrees (coldest since January 15-24, 1994); New York City: 20.00 degrees (coldest since January 21-30, 2005); Philadelphia: 19.60 degrees (coldest since January 20-29, 2005); and, Washington, DC: 23.70 degrees (coldest since January 23-February 2, 2004)