(Richmond, IN)--Richmond has easily broken its all-time record low temperature for this date. The mercury dropped to ten below at the Richmond Municipal Airport at 6:19 Tuesday morning. It easily breaks a record low of five below that was set in the late 1800's. How cold has it been? Our last above-normal day was December 23. In the nine days since, we’ve been a combined 157 degrees below normal. December 23 was also the last time we were above freezing. We’re not forecast to be above freezing until this coming Sunday.