A check of final heating degree day statistics for January shows the month was indeed the coldest month in 15 years -- since January 1994. Factor in a colder than normal December, and clearly we’re due for a break: The past two months have marked the coldest stretch of December-January weather, based on heating degree days, since the winter of 1985-’86. That’s sure to be felt in heating costs when customers open up their next utility bill. Even with a balmy end to the month Saturday -- when the temperature in Milwaukee climbed above freezing for the first time in...