Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2020. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, April 1989

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 1989
1-Month
51.5°F
(10.8°C)
52.0°F
(11.1°C)
-0.5°F
(-0.3°C)
50th Coolest Coolest since: 1988 1907
77th Warmest Warmest since: 1986 2017
Ties: 1992
Mar–Apr 1989
2-Month
47.0°F
(8.3°C)
47.3°F
(8.5°C)
-0.3°F
(-0.2°C)
54th Coolest Coolest since: 1984 1940
73rd Warmest Warmest since: 1988 1921
Ties: 1923, 1964
Feb–Apr 1989
3-Month
43.3°F
(6.3°C)
43.0°F
(6.1°C)
0.3°F
(0.2°C)
67th Coolest Coolest since: 1987 1934
60th Warmest Warmest since: 1988 2012
Ties: 1897, 1915, 1942, 1961
Jan–Apr 1989
4-Month
41.9°F
(5.5°C)
40.6°F
(4.8°C)
1.3°F
(0.7°C)
87th Coolest Coolest since: 1988 1940
40th Warmest Warmest since: 1976 2012
Ties: 1903, 2009
Dec 1988–Apr 1989
5-Month
40.8°F
(4.9°C)
39.8°F
(4.3°C)
1.0°F
(0.6°C)
82nd Coolest Coolest since: 1988 1904
44th Warmest Warmest since: 1985 2012
Ties: 1972, 2018
Nov 1988–Apr 1989
6-Month
41.9°F
(5.5°C)
40.8°F
(4.9°C)
1.1°F
(0.6°C)
85th Coolest Coolest since: 1988 1904
41st Warmest Warmest since: 1985 2012
Ties: 1919, 1929, 1946
Oct 1988–Apr 1989
7-Month
43.2°F
(6.2°C)
43.0°F
(6.1°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1988 1904
60th Warmest Warmest since: 1986 2012
Ties: 1980
Sep 1988–Apr 1989
8-Month
46.0°F
(7.8°C)
46.0°F
(7.8°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1984 1918
71st Warmest Warmest since: 1988 2012
Ties: 1993, 2014
Aug 1988–Apr 1989
9-Month
49.5°F
(9.7°C)
49.1°F
(9.5°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 1988 1918
54th Warmest Warmest since: 1986 2017
Ties: 1901
Jul 1988–Apr 1989
10-Month
52.4°F
(11.3°C)
51.8°F
(11.0°C)
0.6°F
(0.3°C)
80th Coolest Coolest since: 1988 1918
46th Warmest Warmest since: 1986 2012, 2017
Ties: 1901, 1929, 1946, 1955
Jun 1988–Apr 1989
11-Month
54.1°F
(12.3°C)
53.4°F
(11.9°C)
0.7°F
(0.4°C)
79th Coolest Coolest since: 1987 1904
47th Warmest Warmest since: 1988 2012
Ties: 1901, 1955, 1983
May 1988–Apr 1989
12-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
81st Coolest Coolest since: 1987 1918
45th Warmest Warmest since: 1988 2012
Ties: 1901, 1919, 1933, 1939, 1957, 1994, 2014
Nov 1987–Apr 1989
18-Month
50.3°F
(10.2°C)
49.7°F
(9.8°C)
0.6°F
(0.4°C)
83rd Coolest Coolest since: 1988 1905
42nd Warmest Warmest since: 1987 2017
Ties: 1960, 1985, 1994
May 1987–Apr 1989
24-Month
54.9°F
(12.7°C)
54.2°F
(12.3°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 1988 1905
38th Warmest Warmest since: 1987 2017
Ties: 1975, 1987
May 1986–Apr 1989
36-Month
54.8°F
(12.7°C)
54.2°F
(12.3°C)
0.6°F
(0.4°C)
82nd Coolest Coolest since: 1984 1906
42nd Warmest Warmest since: 1988 2018
Ties: 1934, 1939, 1952, 1956, 1994
May 1985–Apr 1989
48-Month
54.9°F
(12.7°C)
54.2°F
(12.3°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 1987 1905
36th Warmest Warmest since: 1988 2019, 2020
Ties: 1933, 1956, 1974, 1986, 1987, 1997
May 1984–Apr 1989
60-Month
55.0°F
(12.8°C)
54.2°F
(12.3°C)
0.8°F
(0.5°C)
91st Coolest Coolest since: 1988 1908
31st Warmest Warmest since: 1976 2020
Ties: 1976, 1990

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 21, 2020 from https://www.ncdc.noaa.gov/cag/