Oklahoma May 1999 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
67.2
68.0
-0.8
44
86
1907
2018
1997
1998
normal
1961,2020
2
63.7
63.8
-0.1
59
71
1907
1896
1997
1998
normal
2019
3
58.7
58.9
-0.2
53
77
1924,1931
2012
1998
1996
normal
1941,1949
4
56.3
54.5
1.8
107
23
1960
2012
1998
1992
top-third
1896,1908
5
53.0
50.9
2.1
112
18
1979
2012
1998
1992
top-third
1953
6
50.9
48.9
2.0
112
17
1979
2012
1998
1992
top-third
1974
7
51.1
48.9
2.2
119
10
1899
2012
1998
1974
top-tenth
1974
8
52.7
50.5
2.2
120
9
1899
2017
1998
1974
top-tenth
1974
9
55.7
53.0
2.7
123
6
1899
2017
1998
1932
top-tenth
10
58.4
55.8
2.6
125
4
1899
2012
1998
1932
top-tenth
1932,2000
11
60.9
58.1
2.8
125
4
1899
2012
1998
1955
top-tenth
12
62.5
59.7
2.8
126
3
1899
2012
1998
1955
top-tenth
1955
18
58.2
56.1
2.1
122
6
1979,1980
2017
1998
1955
top-tenth
2000,2013
24
61.0
59.7
1.3
114
14
1994
2017
1998
1956
top-third
1911,1932,1933
36
60.2
59.7
0.5
95
32
1905,1970,1979
2018
1998
1957
top-third
1912,2004
48
60.0
59.7
0.3
82
44
1980
1935
1998
1992
normal
1922,1932,1945,1946,1992,2004
60
60.0
59.6
0.4
81
44
1979
1935,2020
1998
1967
normal
1912,1927,1932,1946,2005