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Weather Forecast Office

Fort Smith 100 Degree Day Information

Fort Smith 100 Degree Day Statistics
Total Number of Days	Top 25 Consecutive Days
Heat Safety Informationn

Total Number of Days with Temperatures Greater than or Equal to 100°F

for Fort Smith, AR June 1882 - September 2022

Rank

June

July

August

September

Annual

1981-2010
Average*

0.3

3.0

4.8

0.6

8.7

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141

1953	13
1934	9
1936	8
2012	8
1954	7
1988	7
1933	6
1952	6
1911	5
2011	5
1882	4
1918	4
1914	3
2010	3
1925	2
1937	2
1963	2
1883	1
1884	1
1890	1
1917	1
1930	1
1931	1
1950	1
1956	1
1960	1
1990	1
2009	1
2013	1
2022	1
1885	0
1886	0
1887	0
1888	0
1889	0
1891	0
1892	0
1893	0
1894	0
1895	0
1896	0
1897	0
1898	0
1899	0
1900	0
1901	0
1902	0
1903	0
1904	0
1905	0
1906	0
1907	0
1908	0
1909	0
1910	0
1912	0
1913	0
1915	0
1916	0
1919	0
1920	0
1921	0
1922	0
1923	0
1924	0
1926	0
1927	0
1928	0
1929	0
1932	0
1935	0
1938	0
1939	0
1940	0
1941	0
1942	0
1943	0
1944	0
1945	0
1946	0
1947	0
1948	0
1949	0
1951	0
1955	0
1957	0
1958	0
1959	0
1961	0
1962	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1989	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0

2011	30
1934	25
2022	23
1954	22
2012	19
1964	17
1980	17
1998	15
1930	14
1884	13
1901	13
2001	13
1936	12
1988	12
1939	11
1943	11
1952	11
1963	11
1993	11
1966	10
1986	10
1896	9
1962	9
1978	9
2006	9
1947	8
1956	8
1970	8
1990	8
1914	7
1933	7
1957	7
2008	7
1887	6
1897	6
1969	6
1894	5
1911	5
1916	5
1918	5
1931	5
1946	5
1953	5
1955	5
1985	5
1997	5
2009	5
1913	4
1917	4
1922	4
1949	4
1974	4
1999	4
2018	4
1909	3
1910	3
1923	3
1925	3
1941	3
1960	3
1991	3
2005	3
2016	3
1882	2
1883	2
1919	2
1920	2
1924	2
1929	2
1932	2
1935	2
1938	2
1940	2
1965	2
1971	2
1977	2
1987	2
2000	2
2003	2
2013	2
1886	1
1888	1
1890	1
1912	1
1915	1
1926	1
1937	1
1942	1
1944	1
1951	1
1976	1
1994	1
2010	1
2015	1
2021	1
1885	0
1889	0
1891	0
1892	0
1893	0
1895	0
1898	0
1899	0
1900	0
1902	0
1903	0
1904	0
1905	0
1906	0
1907	0
1908	0
1921	0
1927	0
1928	0
1945	0
1948	0
1950	0
1958	0
1959	0
1961	0
1967	0
1968	0
1972	0
1973	0
1975	0
1979	0
1981	0
1982	0
1983	0
1984	0
1989	0
1992	0
1995	0
1996	0
2002	0
2004	0
2007	0
2014	0
2017	0
2019	0
2020	0

2000	24
1936	21
1943	20
1954	20
1934	19
1980	18
2010	18
1947	17
1956	17
1996	16
1988	14
2006	14
2011	13
1930	12
1935	12
1963	12
1913	11
1952	11
1978	11
1993	11
1999	11
1923	10
1946	10
1970	10
1918	9
1919	9
1951	9
1964	9
2003	9
2012	9
1899	8
1916	8
1922	8
1924	8
1962	8
1987	8
1990	8
1995	8
1998	8
1939	7
2001	7
2007	7
2022	7
1929	6
1907	5
2005	5
2008	5
2016	5
1886	4
1887	4
1894	4
1909	4
1932	4
1937	4
1938	4
1957	4
1965	4
1983	4
1985	4
1883	3
1897	3
1900	3
1902	3
1911	3
1921	3
1925	3
1926	3
1944	3
1984	3
1892	2
1901	2
1910	2
1912	2
1968	2
1969	2
1972	2
1977	2
1882	1
1884	1
1888	1
1917	1
1945	1
1949	1
1986	1
1989	1
2013	1
2015	1
2019	1
2021	1
1885	0
1889	0
1890	0
1891	0
1893	0
1895	0
1898	0
1903	0
1904	0
1905	0
1906	0
1908	0
1914	0
1915	0
1920	0
1927	0
1928	0
1931	0
1933	0
1940	0
1941	0
1942	0
1948	0
1950	0
1953	0
1955	0
1958	0
1959	0
1960	0
1961	0
1966	0
1967	0
1971	0
1973	0
1974	0
1975	0
1976	0
1979	0
1981	0
1982	0
1991	0
1992	0
1994	0
1996	0
1997	0
2002	0
2004	0
2009	0
2014	0
2017	0
2018	0
2020	0

1939	12
1947	8
1925	6
2000	6
2012	6
1936	5
1954	5
1985	5
1990	5
1884	4
1896	4
1909	4
1998	4
1912	3
1980	3
2022	3
1899	2
1913	2
1922	2
1930	2
1953	2
1893	1
1907	1
1938	1
1951	1
1952	1
1956	1
1963	1
1965	1
1978	1
1989	1
2011	1
2013	1
2021	1
1882	0
1883	0
1885	0
1886	0
1887	0
1888	0
1889	0
1890	0
1891	0
1892	0
1894	0
1895	0
1897	0
1898	0
1900	0
1901	0
1902	0
1903	0
1904	0
1905	0
1906	0
1908	0
1910	0
1911	0
1914	0
1915	0
1916	0
1917	0
1918	0
1919	0
1920	0
1921	0
1923	0
1924	0
1926	0
1927	0
1928	0
1929	0
1931	0
1932	0
1933	0
1934	0
1935	0
1937	0
1940	0
1941	0
1942	0
1943	0
1944	0
1945	0
1946	0
1948	0
1949	0
1950	0
1955	0
1957	0
1958	0
1959	0
1960	0
1961	0
1962	0
1964	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1979	0
1981	0
1982	0
1983	0
1984	0
1986	0
1987	0
1988	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1999	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0

1954	54
1934	53
2011	49
1936	46
2012	42
1980	38
2022	34
1947	33
1988	33
2000	32
1943	31
1939	30
1896	29
1930	29
1952	29
1956	27
1998	27
1963	26
1964	26
2006	23
1990	22
1993	22
2010	22
1978	21
1953	20
2001	20
1884	19
1918	18
1970	18
1913	17
1962	17
1901	15
1946	15
1999	15
1922	14
1925	14
1935	14
1985	14
1911	13
1916	13
1923	13
1933	13
2008	12
1909	11
1919	11
1951	11
1957	11
1986	11
2003	11
1887	10
1899	10
1914	10
1924	10
1966	10
1987	10
1894	9
1897	9
1929	8
1969	8
1995	8
2005	8
2016	8
1882	7
1937	7
1938	7
1965	7
2007	7
1883	6
1907	6
1912	6
1917	6
1931	6
1932	6
2009	6
1886	5
1910	5
1949	5
1955	5
1997	5
2013	5
1926	4
1944	4
1960	4
1974	4
1977	4
1983	4
2018	4
1900	3
1902	3
1921	3
1941	3
1984	3
1991	3
2021	3
1888	2
1890	2
1892	2
1920	2
1940	2
1968	2
1971	2
1972	2
1989	2
2015	2
1893	1
1915	1
1942	1
1945	1
1950	1
1976	1
1994	1
2019	1
1885	0
1889	0
1891	0
1895	0
1898	0
1903	0
1904	0
1905	0
1906	0
1908	0
1927	0
1928	0
1948	0
1958	0
1959	0
1961	0
1967	0
1973	0
1975	0
1979	0
1981	0
1982	0
1992	0
1996	0
2002	0
2004	0
2014	0
2017	0
2020	0

Red Denotes Top 10 Rankings

*Averages are 1981-2010

There is a very significant difference between 30-year averages and 30-year normals based on daily threshold values. In brief, statistics applied to dampened daily normals will tend to underestimate the likelihood of reaching an extreme value. (Normal daily high temperatures might imply that 100-degree days are uncommon since normal daily highs in the summer never actually reach 100 degrees, but this is not the source of the discrepancy.) As a result of the methods used to calculate the normals, 30-year normals of 100-degree days (or freezes) are less than 30-year averages. Since such averages more closely mirror what has occurred (and perhaps what is likely to occur), we have chosen to show threshold exceedance values as averages instead of normals.

Top 25 Consecutive Days with Temperatures Greater than or Equal to 100°

for Fort Smith, AR June 1882 - September 2022

Rank

# of Days

End Date

1
2
3
3
3
6
6
8
9
9
9
9
13
13
13
13
16
16
16
16
20
20
20
20
20
20

35
17
16
16
16
15
15
13
12
12
12
12
11
11
11
11
10
10
10
10
9
9
9
9
9
9

8/8/2011

7/26/1934

9/4/2000

8/18/1956

8/23/1936

8/10/1947

8/12/1934

7/20/1980

8/8/2012

8/9/1970

7/18/1954

8/3/1896

8/4/1964

6/21/1953

9/9/1939

7/21/2022

8/22/1993

8/1/1993

8/19/1954

9/8/1947

7/26/2012

7/1/2012

8/5/2008

8/6/2006

8/1/1986

8/14/1980

Red Denotes Top 10 Rankings

Updated: September 28, 2022

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Fort Smith 100 Degree Day Information