Bartlesville Number of 100 deg Days

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

for Bartlesville, OK January 1920 - September 2023*

April

May

1972	1

1934	1

Rank

June

July

August

September

Annual

1981-2010
Average^#:

0.4

4.5

6.8

0.9

12.6

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

1934	13
1936	11
1953	9
1980	6
1933	5
1988	5
1952	4
2012	3
1925	3
1956	3
2009	2
1923	1
1931	1
1950	1
1954	1
1972	1
1990	1
1994	1
1996	1
2006	1
2011	1
2016	1
2023	1
1921	0
1924	0
1926	0
1927	0
1928	0
1929	0
1930	0
1932	0
1935	0
1937	0
1938	0
1939	0
1945	0
1946	0
1947	0
1948	0
1949	0
1951	0
1955	0
1957	0
1958	0
1959	0
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1989	0
1991	0
1992	0
1993	0
1995	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2007	0
2008	0
2010	0
2013	0
2014	0
2015	0
2017	0
2018	0
2019	0
2020	0
2021	0
2022	0

1934	26
1980	26
1936	25
1954	22
2011	21
2022	19
2012	19
2001	17
1946	15
1964	13
1956	12
1963	12
1966	12
1981	11
2006	11
1922	10
2003	10
1932	9
1952	9
1955	9
1974	9
1978	9
1983	9
1986	9
1996	9
1999	9
1969	8
1970	8
1990	8
1998	8
1930	7
1971	7
1925	6
1935	6
1957	6
1929	5
1933	5
1939	5
1977	5
1984	5
1988	5
1923	4
1931	4
1972	4
2002	4
2017	4
1926	3
1937	3
1953	3
1960	3
1962	3
1976	3
1985	3
1991	3
1993	3
2009	3
2016	3
1965	2
1975	2
1979	2
1987	2
1995	2
2000	2
2005	2
2013	2
2018	2
2023	2
1920	1
1921	1
1927	1
1928	1
1947	1
1949	1
1968	1
2010	1
2014	1
1924	0
1938	0
1945	0
1948	0
1950	0
1951	0
1958	0
1959	0
1961	0
1967	0
1973	0
1982	0
1989	0
1992	0
1994	0
1997	0
2004	0
2007	0
2008	0
2015	0
2019	0
2020	0
2021	0

1936	23
1934	22
1980	21
1983	21
1954	20
1956	19
2000	19
1929	17
1947	16
1970	16
2011	15
1922	15
1935	15
2006	14
1923	13
2001	13
1930	12
1946	12
1998	12
1963	11
1978	11
1982	11
2010	11
1952	10
1962	10
1984	10
1993	10
2003	10
1951	9
1987	9
2007	9
2012	8
1964	8
1990	8
1991	8
2023	8
1995	7
1926	6
1937	6
1999	6
1925	5
1953	5
1968	5
1969	5
1972	5
1977	5
1985	5
1988	5
2022	5
1921	4
1932	4
2008	4
2009	4
2014	4
2016	4
1939	3
1967	3
1973	3
1975	3
2005	3
2021	3
1920	2
1949	2
1955	2
1957	2
1966	2
1981	2
1931	1
1938	1
1945	1
1965	1
1976	1
2002	1
2013	1
2015	1
2020	1
1924	0
1927	0
1928	0
1948	0
1950	0
1958	0
1959	0
1960	0
1961	0
1971	0
1974	0
1979	0
1986	0
1989	0
1992	0
1994	0
1996	0
1997	0
2004	0
2017	0
2018	0
2019	0

1939	9
1925	8
1947	8
2012	7
1954	7
1956	6
1985	6
1998	6
1936	5
1990	5
2000	5
2022	4
1978	4
1930	3
2011	2
1931	2
1945	2
1965	2
1980	2
1982	2
1983	2
1928	1
1933	1
1951	1
1952	1
1953	1
1970	1
1975	1
1984	1
1995	1
2023	1
1920	0
1921	0
1923	0
1924	0
1926	0
1927	0
1929	0
1932	0
1934	0
1935	0
1937	0
1938	0
1946	0
1948	0
1949	0
1950	0
1955	0
1957	0
1958	0
1959	0
1960	0
1961	0
1962	0
1963	0
1964	0
1966	0
1967	0
1968	0
1969	0
1971	0
1972	0
1973	0
1974	0
1976	0
1977	0
1979	0
1981	0
1986	0
1987	0
1988	0
1989	0
1991	0
1992	0
1993	0
1994	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
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0

1936	64
1934	62
1980	55
1954	50
1956	40
2011	39
2012	37
1983	32
2001	30
2022	28
1946	27
1998	26
2000	26
2006	26
1922	25
1947	25
1970	25
1952	24
1978	24
1963	23
1925	22
1929	22
1930	22
1990	22
1935	21
1964	21
2003	20
1923	18
1953	18
1939	17
1984	16
1988	15
1999	15
1966	14
1985	14
1932	13
1962	13
1969	13
1981	13
1982	13
1993	13
2010	12
2023	12
1933	11
1955	11
1972	11
1987	11
1991	11
1951	10
1977	10
1995	10
1996	10
1926	9
1937	9
1974	9
1986	9
2007	9
2009	9
1931	8
1957	8
2016	8
1971	7
1968	6
1975	6
1921	5
1965	5
2002	5
2005	5
2014	5
1976	4
2008	4
2017	4
1920	3
1945	3
1949	3
1960	3
1967	3
1973	3
2013	3
2021	3
1928	2
1979	2
2018	2
1927	1
1938	1
1950	1
1994	1
2015	1
2020	1
1924	0
1948	0
1958	0
1959	0
1961	0
1989	0
1992	0
1997	0
2004	0
2019	0

Red Denotes Top 10 Rankings

* Data Missing from June 1920; May, June, September 1922; August 1933; 1940 thru 1944.

^#Averages are for 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.

Updated: October 23, 2023