Average Number of 100° Days (1991-2020):
(March, April, and October have had 100° days,
but the average is near zero.)
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First and Last Occurrences (1902-2022):
- Average date of first 100°F: July 4
- Average date of last 100°F: August 29
- Earliest occurrence: Mar 28, 1971 (100°F)
- Latest occurrence: Oct 12, 2022 (100°F)
- Latest first occurrence: Oct 3, 1979 (101°F)
- Earliest last occurrence: Jul 8, 1931 (104°F)
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Most and Fewest:
- Most in a calendar year: 90 (2011)
- Fewest in a calendar year: 0 (1920, 1919)
- Most consecutive: 44 (Jun 30 - Aug 12, 2011)
- Most in a month: 31 (Jul 2011, Jul 1980)
- Greatest number of months in a year with at least one occurrence: 5
2022 - June, July, August, September, October
2011 - May, June, July, August, September
1998 - May, June, July, August, September
1985 - May, June, July, August, September
1977 - June, July, August, September, October
1963 - April, June, July, August, September
1911 - May, June, July, August, September
- Only month to record both 100°F and 32°F: Mar 1971 (29°F on the 3rd and 100°F on the 28th)
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