Contiguous U.S. December 1991 Maximum Temperature Rankings
1901-2000
Degrees Fahrenheit
1
45.37
42.76
2.61
102
28
1983
2021
1990
1980
top-third
2
47.42
47.74
-0.32
49
81
2000
1999
1989
1990
normal
3
54.31
54.09
0.22
67
63
1972
1999
1989
1990
normal
4
60.12
60.02
0.10
62
68
1972
2021
1989
1990
normal
5
65.24
65.04
0.20
68
62
1972
2021
1989
1990
normal
6
68.80
68.65
0.15
69
61
1972
2021
1989
1990
normal
1946
7
70.59
70.46
0.13
68
62
1972
2021
1989
1990
normal
8
70.96
70.77
0.19
71
59
1972
2021
1989
1990
normal
9
70.23
69.96
0.27
71
59
1972
2021
1989
1990
normal
10
68.68
68.27
0.41
83
47
1912
2012
1989
1990
normal
1918,1986
11
67.13
66.14
0.99
98
32
1912
2012
1989
1990
top-third
12
64.80
64.00
0.80
94
36
1912
2012
1989
1990
top-third
1994
18
66.37
65.55
0.82
97
32
1912
2012
1989
1990
top-third
2001
24
65.22
64.00
1.22
109
20
1913
2017
1990
1988
top-third
1935
36
64.80
63.98
0.82
92
36
1905
2017
1987
1990
top-third
48
64.90
63.97
0.93
99
28
1906
2023
1989
1990
top-third
1935
60
64.99
63.96
1.03
99
27
1907
2016
1989
1990
top-third