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National Weather Service Tucson Arizona
1st 100 degree date information for Tucson Arizona
Yearly plot of the 1st 100 degree date for Tucson Arizona
Red diamonds - year-by-year plot of 1st 100 degree date (yearly listing)
Blue line - Historical average of 1st 100 degree date (May 26th)
Black line - 10-year moving average
Green line - Decadal average 1st date
Decadal averages
1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s
6/1 5/29 5/22 5/27 5/20 6/1 5/30 6/2 5/22 5/19 5/16
 
Top 10 earliest occurrences Top 10 latest occurrences
1 April 19, 1989 1 June 22, 1905
2T April 27, 1992 2 June 19, 1962
April 27, 1910 3 June 17, 1967
4 April 30, 1943 4 June 16, 1972
5 May 2, 1947 5 June 15, 1971
6T May 7, 2009 6 June 14, 1931
May 7, 1895 7 June 13, 1945
8 May 8, 2001 8 June 12, 1979
9T May 9, 1984 & 1934 9 June 11, 1953
May 9, 1923 & 1900 10T June 10 in 1982, 1961 & 1950
 
 
 

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