In case you want to jot it down in your journal to tell your grandchildren some say, January was one of the coldest months on record in Chicago.
The National Weather Service says January 2009 was the 10th coldest ever recorded in Chicago.
Its average temperature of 15.9 degrees made it the coldest January since 1994. Saturday's high of 38 degrees was the month's peak reading, making it the first January since 1985 and only the ninth since 1871 with so low a maximum temperature.
Forecasters said thawing would continue Sunday, but colder air will return to the region Monday and Tuesday on strong north winds. Those winds will be the western flank of a large storm system expected to charge up the East Coast.