Valentine’s Day in Chicago: The warmest, coldest, snowiest and wettest weather since 1871

Here’s a look at the warmest, coldest, wettest and snowiest Valentine’s Day in Chicago, going back to 1871. Data is from the [ National Weather Service’s Chicago office ][5] and measured at the city’s official recording site, which has been O’Hare International Airport since Jan. 17, 1980. For almo...