Delaware April 1998 Average Temperature Rankings
1901-2000
Degrees Fahrenheit
1
55.2
52.0
3.2
109
21
1907
2017
1997
1994
top-third
1910
2
50.5
47.4
3.1
110
20
1940
1921
1997
1991
top-third
1946,1991,2006
3
47.4
43.0
4.4
120
10
1934
2012
1997
1990
top-tenth
4
46.0
40.6
5.4
125
5
1940
2023
1997
1990
top-tenth
1921,1990
5
44.5
39.7
4.8
122
7
1904
2012
1997
1998
top-tenth
6
44.6
40.7
3.9
122
7
1904
2012
1997
1991
top-tenth
7
46.4
43.0
3.4
117
12
1904
2012
1997
1991
top-tenth
2006
8
49.0
46.0
3.0
114
15
1918
2012
1997
1991
top-third
9
51.7
49.1
2.6
113
16
1918
2017
1997
1991
top-third
1999
10
54.1
51.8
2.3
113
16
1918
2012,2017
1997
1991
top-third
1921,1999
11
55.5
53.5
2.0
111
18
1904
2012
1997
1991
top-third
1921,1974,2007
12
55.9
54.2
1.7
107
22
1918
2012
1997
1992
top-third
1974
18
51.4
49.7
1.7
104
24
1905
2017
1997
1992
top-third
1974,2005
24
55.4
54.2
1.2
99
29
1905
2017
1997
1992
top-third
2001
36
55.0
54.2
0.8
91
36
1906
2021
1997
1997
top-third
1932,1950,1974,1997
48
55.2
54.2
1.0
96
30
1905
2019,2020,2022,2023
1997
1994
top-third
1955
60
55.1
54.2
0.9
94
31
1908
2020,2023
1997
1995
top-third
1953,1954