The first 60º, 70º, 80º, and 90º days of the year for Indianapolis, dating back to 1872.
First 60º Day
Median date: February 3
Earliest: January 1, 1876/1916/1952/1985
Latest: March 31, 1885
First 70º Day
Median date: March 18
Earliest: January 11, 1890
Latest: April 25, 1984
First 80º Day
Median date: April 21
Earliest: March 8, 1974
Latest: June 5, 1983
First 90º Day
Median date: June 14
Earliest: April 24, 1925
Latest: September 1, 1960*
*2004 had no 90º days
Years that had all four thresholds achieved before the median date: 9 times (1880, 1894, 1946, 1954, 1967, 1972, 1985, 2002, and 2012)
Years that had all four thresholds achieved after the median date: 10 times (1872, 1881, 1884, 1904, 1908, 1912, 1923, 1961, 1980, and 1993)
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