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 December 2019. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, April 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1999
1-Month
53.4°F
(11.9°C)
52.0°F
(11.1°C)
1.4°F
(0.8°C)
81st Coolest Coolest since: 1997 1907
45th Warmest Warmest since: 1998 2017
Mar–Apr 1999
2-Month
47.8°F
(8.8°C)
47.4°F
(8.6°C)
0.4°F
(0.2°C)
69th Coolest Coolest since: 1996 1940
57th Warmest Warmest since: 1998 1921
Ties: 1952, 1987
Feb–Apr 1999
3-Month
44.6°F
(7.0°C)
43.0°F
(6.1°C)
1.6°F
(0.9°C)
88th Coolest Coolest since: 1996 1934
38th Warmest Warmest since: 1998 2012
Ties: 1909, 2001
Jan–Apr 1999
4-Month
43.0°F
(6.1°C)
40.6°F
(4.8°C)
2.4°F
(1.3°C)
105th Coolest Coolest since: 1997 1940
21st Warmest Warmest since: 1998 2012
Ties: 1938, 1974
Dec 1998–Apr 1999
5-Month
42.8°F
(6.0°C)
39.7°F
(4.3°C)
3.1°F
(1.7°C)
111th Coolest Coolest since: 1997 1904
14th Warmest Warmest since: 1998 2012
Ties: 2000
Nov 1998–Apr 1999
6-Month
43.5°F
(6.4°C)
40.7°F
(4.8°C)
2.8°F
(1.6°C)
108th Coolest Coolest since: 1997 1904
17th Warmest Warmest since: 1998 2012
Oct 1998–Apr 1999
7-Month
45.5°F
(7.5°C)
43.0°F
(6.1°C)
2.5°F
(1.4°C)
109th Coolest Coolest since: 1997 1904
16th Warmest Warmest since: 1998 2012
Sep 1998–Apr 1999
8-Month
48.7°F
(9.3°C)
46.0°F
(7.8°C)
2.7°F
(1.5°C)
112th Coolest Coolest since: 1997 1918
13th Warmest Warmest since: 1998 2012
Aug 1998–Apr 1999
9-Month
51.7°F
(10.9°C)
49.1°F
(9.5°C)
2.6°F
(1.4°C)
113th Coolest Coolest since: 1998 1918
12th Warmest Warmest since: 1998 2017
Ties: 1998
Jul 1998–Apr 1999
10-Month
54.1°F
(12.3°C)
51.8°F
(11.0°C)
2.3°F
(1.3°C)
113th Coolest Coolest since: 1998 1918
12th Warmest Warmest since: 1998 2012, 2017
Ties: 1921, 1998
Jun 1998–Apr 1999
11-Month
55.7°F
(13.2°C)
53.5°F
(11.9°C)
2.2°F
(1.3°C)
112th Coolest Coolest since: 1998 1904
13th Warmest Warmest since: 1991 2012
May 1998–Apr 1999
12-Month
56.4°F
(13.6°C)
54.2°F
(12.3°C)
2.2°F
(1.3°C)
112th Coolest Coolest since: 1998 1918
13th Warmest Warmest since: 1991 2012
Nov 1997–Apr 1999
18-Month
52.5°F
(11.4°C)
49.7°F
(9.8°C)
2.8°F
(1.6°C)
118th Coolest Coolest since: 1998 1905
6th Warmest Warmest to Date 2017
Ties: 2019
May 1997–Apr 1999
24-Month
56.1°F
(13.4°C)
54.1°F
(12.3°C)
2.0°F
(1.1°C)
109th Coolest Coolest since: 1998 1905
15th Warmest Warmest since: 1992 2017
Ties: 1991
May 1996–Apr 1999
36-Month
55.7°F
(13.2°C)
54.1°F
(12.3°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 1998 1906
18th Warmest Warmest since: 1992 2018
Ties: 1991, 2001
May 1995–Apr 1999
48-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
99th Coolest Coolest since: 1998 1905
23rd Warmest Warmest since: 1993 2019
Ties: 1993
May 1994–Apr 1999
60-Month
55.4°F
(13.0°C)
54.1°F
(12.3°C)
1.3°F
(0.7°C)
99th Coolest Coolest since: 1998 1908
22nd Warmest Warmest since: 1995 2019
Ties: 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 17, 2020 from https://www.ncdc.noaa.gov/cag/