Record-keeping began in 1871.
We’re not talking about a record just the day here, we’re talking about the entire month.
And it may be the coldest July in more than 144 years. It’s just that records go back only that far.
http://www.theindychannel.com/weather/july-2014-coldest-on-record-in-indianapolis
Thanks to Bill C. for this link
It has also been the coldest YEAR to date in Indianapolis, says Bill.