Zone     Last Frost Date First Frost Date
1       May 22 – June 4 August 25-31
2       May 15-22       September 1-8
3       May 1-16        September 8-15
4       4-24 5-12       8-21 9-7

Location Normal First Date       Earliest Date
Indianapolis Airport    October 26      September 30, 1993
                         8/26            9/30

2024
173: days till 10-15-2022