Which calendar day is the hottest?

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Which calendar day is arguably the ‘hottest’ day of the year?  Making a good case is, July 28th.

On this date, July 28th, the hottest temperature ever recorded was 101° in 1930.

While it is not the hottest temperature ever for the city of Indianapolis (106° officially set July 14th and on numerous other dates) and (107° unofficially taken prior to the airport being recognized as the official record station) it has produced the most 90° plus days on record.

Dating back 145 years, the city of Indianapolis has recorded 3042 days of 90° plus high temperatures.  July 28th has produced 46 of them, the most of any other calendar day.  3 of those reports topped 100°.

Topping 100°, well that has happened 72 times on record.  Several days have reached 100° on 3 occasions, including July 28th.

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