(Chicago, IL) -- If you can't remember a winter colder than this, you're probably under 30. Friday was the 22nd day this winter with temperatures at zero or below, compared with the average of seven such days in a normal winter. This winter, so far is the eighth coldest since 1871, and the last time there was a winter colder than this was three decades ago. The forecast calls for below freezing temperatures to continue at least through the middle of next week.   {Metro News}