Number of Days With Temperature 100°F or Higher: 1887-2024

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There are two tables following the graph:

Table 1: The first one has a listing in chronological order,
Table 2: The second table has the top 15 years of number of annual days with temperatures 100°F or Higher

Most recent 30-year normal (1991-2020): 3.6 days
Normals are calculated every ten years. The next set of 30 year normals will be for the 2001-2030 time period.

Table 1: Number of Days with Temperatures 100°F or Higher

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
2024	0	0	0	0	0	2	1	3					6	2024
2023	0	0	0	0	0	1	2	6	0	0	0	0	9	2023
2022	0	0	0	0	0	1	1	2	2	0	0	0	6	2022
2021	0	0	0	0	0	2	0	2	0	0	0	0	4	2021
2020	0	0	0	0	0	0	0	0	0	0	0	0	0	2020
2019	0	0	0	0	0	0	0	0	0	0	0	0	0	2019
2018	0	0	0	0	1	1	0	0	0	0	0	0	2	2018
2017	0	0	0	0	0	0	1	0	0	0	0	0	1	2017
2016	0	0	0	0	0	2	0	0	0	0	0	0	2	2016
2015	0	0	0	0	0	0	1	0	0	0	0	0	1	2015
2014	0	0	0	0	0	0	1	0	0	0	0	0	1	2014
2013	0	0	0	0	1	0	0	1	1	0	0	0	3	2013
2012	0	0	0	0	0	1	11	4	1	0	0	0	17	2012
2011	0	0	0	0	0	2	2	1	0	0	0	0	5	2011
2010	0	0	0	0	0	0	0	1	0	0	0	0	1	2010
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
2009	0	0	0	0	0	0	0	1	0	0	0	0	1	2009
2008	0	0	0	0	0	0	0	1	0	0	0	0	1	2008
2007	0	0	0	0	0	0	2	1	0	0	0	0	3	2007
2006	0	0	0	0	0	1	6	3	0	0	0	0	10	2006
2005	0	0	0	0	0	0	6	0	1	0	0	0	7	2005
2004	0	0	0	0	0	0	0	1	0	0	0	0	1	2004
2003	0	0	0	0	0	0	5	5	0	0	0	0	10	2003
2002	0	0	0	0	0	0	4	3	0	0	0	0	7	2002
2001	0	0	0	0	0	0	2	2	0	0	0	0	4	2001
2000	0	0	0	0	0	0	0	4	1	0	0	0	5	2000
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1999	0	0	0	0	0	0	3	0	0	0	0	0	3	1999
1998	0	0	0	0	0	0	1	0	0	0	0	0	1	1998
1997	0	0	0	0	0	0	2	0	0	0	0	0	2	1997
1996	0	0	0	0	0	0	0	0	0	0	0	0	0	1996
1995	0	0	0	0	0	0	7	3	0	0	0	0	10	1995
1994	0	0	0	0	0	0	0	0	0	0	0	0	0	1994
1993	0	0	0	0	0	0	0	0	0	0	0	0	0	1993
1992	0	0	0	0	0	0	0	0	0	0	0	0	0	1992
1991	0	0	0	0	0	0	4	2	0	0	0	0	6	1991
1990	0	0	0	0	0	1	4	2	0	0	0	0	7	1990
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1989	0	0	0	0	0	1	1	1	0	0	0	0	3	1989
1988	0	0	0	0	0	9	3	6	0	0	0	0	18	1988
1987	0	0	0	0	0	4	3	2	0	0	0	0	9	1987
1986	0	0	0	0	0	0	0	0	0	0	0	0	0	1986
1985	0	0	0	0	0	0	0	1	0	0	0	0	1	1985
1984	0	0	0	0	0	0	3	3	1	0	0	0	7	1984
1983	0	0	0	0	0	0	6	10	1	0	0	0	17	1983
1982	0	0	0	0	0	0	0	1	0	0	0	0	1	1982
1981	0	0	0	0	0	0	4	0	0	0	0	0	4	1981
1980	0	0	0	0	0	2	13	3	0	0	0	0	18	1980
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1979	0	0	0	0	0	1	0	0	0	0	0	0	1	1979
1978	0	0	0	0	0	0	2	0	0	0	0	0	2	1978
1977	0	0	0	0	0	0	7	0	0	0	0	0	7	1977
1976	0	0	0	0	0	0	1	2	0	0	0	0	3	1976
1975	0	0	0	0	0	0	0	2	1	0	0	0	3	1975
1974	0	0	0	0	0	4	16	0	0	0	0	0	20	1974
1973	0	0	0	0	0	1	1	0	0	0	0	0	2	1973
1972	0	0	0	0	0	0	0	0	0	0	0	0	0	1972
1971	0	0	0	0	0	2	1	0	1	0	0	0	4	1971
1970	0	0	0	0	0	1	5	1	0	0	0	0	7	1970
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1969	0	0	0	0	0	1	3	0	0	0	0	0	4	1969
1968	0	0	0	0	0	0	0	0	0	0	0	0	0	1968
1967	0	0	0	0	1	0	0	0	0	0	0	0	1	1967
1966	0	0	0	0	0	0	7	0	0	0	0	0	7	1966
1965	0	0	0	0	0	0	0	0	0	0	0	0	0	1965
1964	0	0	0	0	0	0	7	2	0	0	0	0	9	1964
1963	0	0	0	0	0	2	0	2	0	0	0	0	4	1963
1962	0	0	0	0	0	0	0	1	0	0	0	0	1	1962
1961	0	0	0	0	0	2	1	0	0	0	0	0	3	1961
1960	0	0	0	0	0	1	1	0	0	0	0	0	2	1960
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1959	0	0	0	0	0	0	0	0	0	0	0	0	0	1959
1958	0	0	0	0	0	0	0	0	0	0	0	0	0	1958
1957	0	0	0	0	0	0	7	2	0	0	0	0	9	1957
1956	0	0	0	0	0	1	4	2	1	0	0	0	8	1956
1955	0	0	0	0	0	0	5	5	1	0	0	0	11	1955
1954	0	0	0	0	0	3	9	1	1	0	0	0	14	1954
1953	0	0	0	0	0	5	5	1	2	0	0	0	13	1953
1952	0	0	0	0	0	5	3	0	0	0	0	0	8	1952
1951	0	0	0	0	0	0	0	2	0	0	0	0	2	1951
1950	0	0	0	0	0	1	0	0	0	0	0	0	1	1950
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1949	0	0	0	0	0	0	0	0	0	0	0	0	0	1949
1948	0	0	0	0	0	0	0	5	0	0	0	0	5	1948
1947	0	0	0	0	0	0	3	16	3	0	0	0	22	1947
1946	0	0	0	0	0	2	1	0	0	0	0	0	3	1946
1945	0	0	0	0	0	0	2	0	0	0	0	0	2	1945
1944	0	0	0	0	0	1	0	2	0	0	0	0	3	1944
1943	0	0	0	0	0	3	2	5	0	0	0	0	10	1943
1942	0	0	0	0	0	0	5	1	0	0	0	0	6	1942
1941	0	0	0	0	0	0	8	5	0	0	0	0	13	1941
1940	0	0	0	0	0	2	14	1	2	0	0	0	19	1940
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1939	0	0	0	0	0	0	7	0	3	0	0	0	10	1939
1938	0	0	0	0	0	0	6	6	0	0	0	0	12	1938
1937	0	0	0	0	0	4	4	8	0	0	0	0	16	1937
1936	0	0	0	0	0	4	19	16	2	0	0	0	41	1936
1935	0	0	0	0	0	0	11	8	0	0	0	0	19	1935
1934	0	0	0	0	3	8	21	7	0	0	0	0	39	1934
1933	0	0	0	0	0	6	2	1	0	0	0	0	9	1933
1932	0	0	0	0	0	0	3	0	0	0	0	0	3	1932
1931	0	0	0	0	0	5	4	0	6	0	0	0	15	1931
1930	0	0	0	0	0	1	13	3	0	0	0	0	17	1930
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1929	0	0	0	0	0	0	0	2	0	0	0	0	2	1929
1928	0	0	0	0	0	0	1	0	0	0	0	0	1	1928
1927	0	0	0	0	0	0	1	0	0	0	0	0	1	1927
1926	0	0	0	0	0	2	4	2	0	0	0	0	8	1926
1925	0	0	0	0	0	0	3	0	0	0	0	0	3	1925
1924	0	0	0	0	0	0	0	3	0	0	0	0	3	1924
1923	0	0	0	0	0	0	0	0	0	0	0	0	0	1923
1922	0	0	0	0	0	1	0	2	4	0	0	0	7	1922
1921	0	0	0	0	0	1	0	4	1	0	0	0	6	1921
1920	0	0	0	0	0	0	0	0	0	0	0	0	0	1920
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1919	0	0	0	0	0	0	7	1	0	0	0	0	8	1919
1918	0	0	0	0	0	7	1	9	0	0	0	0	17	1918
1917	0	0	0	0	0	1	5	1	0	0	0	0	7	1917
1916	0	0	0	0	0	0	3	2	0	0	0	0	5	1916
1915	0	0	0	0	0	0	0	0	0	0	0	0	0	1915
1914	0	0	0	0	0	0	3	3	1	0	0	0	7	1914
1913	0	0	0	0	0	0	9	15	5	0	0	0	29	1913
1912	0	0	0	0	0	0	4	2	0	0	0	0	6	1912
1911	0	0	0	0	0	7	5	3	0	0	0	0	15	1911
1910	0	0	0	0	0	0	2	0	0	0	0	0	2	1910
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1909	0	0	0	0	0	0	0	2	0	0	0	0	2	1909
1908	0	0	0	0	0	0	0	0	0	0	0	0	0	1908
1907	0	0	0	0	0	0	1	0	0	0	0	0	1	1907
1906	0	0	0	0	0	0	0	0	0	0	0	0	0	1906
1905	0	0	0	0	0	0	0	0	0	0	0	0	0	1905
1904	0	0	0	0	0	0	0	0	0	0	0	0	0	1904
1903	0	0	0	0	0	0	0	0	0	0	0	0	0	1903
1902	0	0	0	0	0	0	0	0	0	0	0	0	0	1902
1901	0	0	0	0	0	3	21	1	0	0	0	0	25	1901
1900	0	0	0	0	0	0	1	0	0	0	0	0	1	1900
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1899	0	0	0	0	0	0	0	0	2	0	0	0	2	1899
1898	0	0	0	0	0	0	0	1	0	0	0	0	1	1898
1897	0	0	0	0	0	1	2	0	1	0	0	0	4	1897
1896	0	0	0	0	0	0	0	0	0	0	0	0	0	1896
1895	0	0	0	0	0	0	3	0	2	0	0	0	5	1895
1894	0	0	0	0	0	0	1	1	0	0	0	0	2	1894
1893	0	0	0	0	0	0	0	0	0	0	0	0	0	1893
1892	0	0	0	0	0	0	2	0	0	0	0	0	2	1892
1891	0	0	0	0	0	0	0	0	0	0	0	0	0	1891
1890	0	0	0	0	0	0	5	0	0	0	0	0	5	1890
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year
1889	0	0	0	0	0	0	0	0	0	0	0	0	0	1889
1888	0	0	0	0	0	0	1	1	0	0	0	0	2	1888
1887	0	0	0	0	0	0	1	1	0	0	0	0	2	1887
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual	Year

Table 2: Top 15 Number of Annual Days
with Temperatures 100°F or Higher. Data 1887-2024 (138 years)

Year	Annual Total	Rank
1936	41	1
1934	39	2
1913	29	3
1901	25	4
1947	22	5
1974	20	6
1940	19	7
1935	19	7
1988	18	9
1980	18	9
2012	17	11
1983	17	11
1930	17	11
1918	17	11
1937	16	15

The remaining years:

Number of days
100°F or Higher	Number of years
15	2
14	1
13	2
12	1
11	1
10	5
9	4
8	4
7	10
6	5
5	6
4	6
3	13
2	15
1	19
0	26