Pennsylvania December 1984 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
36.2
28.9
7.3
122
8
1989
2015
1983
1982
top-tenth
2
37.3
34.1
3.2
111
19
1917
2015
1983
1982
top-third
1941,1948,1987
3
43.4
39.6
3.8
120
10
1917
2015
1983
1982
top-tenth
1971
4
47.3
45.2
2.1
111
19
1917
2015
1983
1982
top-third
1999,2018
5
51.8
49.8
2.0
112
18
1917
2015
1983
1973
top-third
1959,1970,1973
6
54.5
53.2
1.3
102
28
1976
1931,2015
1983
1982
top-third
1953,1982,1994
7
56.2
55.1
1.1
100
30
1917
2015
1983
1973
top-third
1934,1961,2002
8
56.0
55.4
0.6
81
49
1917
2015
1983
1982
normal
1908,1913,1946
9
55.0
54.4
0.6
80
50
1917
2015
1983
1982
normal
1912,1933,1936,1938,1942,1947,1952,1975,1977,1982,1985,1986
10
52.4
52.6
-0.2
43
87
1917
2021
1981
1983
bottom-third
1897,1927
11
50.7
50.2
0.5
76
54
1917
2012
1983
1983
normal
1971,1975,1983,1994
12
48.2
48.1
0.1
61
69
1917
1998,2012
1982
1983
normal
1937,1945,1947,1948,1971,1974,1993
18
50.1
49.8
0.3
71
58
1904
2012
1982
1983
normal
1906,1911,1959,2003,2009
24
48.5
48.1
0.4
77
52
1905
2021
1983
1975
normal
1975,2004
36
48.3
48.1
0.2
67
61
1905,1926
2012,2023
1983
1975
normal
1935,1952,1974,1989
48
48.1
48.1
0.0
48
79
1907
2023
1983
1976
normal
1942,1945,1995,1996
60
47.9
48.1
-0.2
36
90
1905,1907
2023
1983
1977
bottom-third
1899,1903,1911,1960,1961