Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 5. East

Average Temperature Rankings, May 1991

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1991
1-Month
68.4°F
(20.2°C)
61.0°F
(16.1°C)
7.4°F
(4.1°C)
126th Coolest
Coolest since:
1907
3rd Warmest
Warmest since:
2018
Ties: 1896
Apr–May 1991
2-Month
61.8°F
(16.6°C)
55.5°F
(13.1°C)
6.3°F
(3.5°C)
126th Coolest
Coolest since:
1907
3rd Warmest
Warmest since:
1977
Mar–May 1991
3-Month
55.2°F
(12.9°C)
49.7°F
(9.8°C)
5.5°F
(3.1°C)
126th Coolest
Coolest since:
1960
3rd Warmest
Warmest since:
2012
Feb–May 1991
4-Month
49.5°F
(9.7°C)
44.1°F
(6.7°C)
5.4°F
(3.0°C)
127th Coolest
Coolest since:
1978
2nd Warmest
Warmest to Date
2012
Jan–May 1991
5-Month
44.2°F
(6.8°C)
40.1°F
(4.5°C)
4.1°F
(2.3°C)
122nd Coolest
Coolest since:
1978
7th Warmest
Warmest since:
2012
Dec 1990–May 1991
6-Month
41.8°F
(5.4°C)
38.1°F
(3.4°C)
3.7°F
(2.0°C)
121st Coolest
Coolest since:
1978
7th Warmest
Warmest since:
2012
Nov 1990–May 1991
7-Month
42.4°F
(5.8°C)
38.3°F
(3.5°C)
4.1°F
(2.3°C)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Ties: 2000
Oct 1990–May 1991
8-Month
43.6°F
(6.4°C)
40.2°F
(4.6°C)
3.4°F
(1.8°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012
Sep 1990–May 1991
9-Month
46.1°F
(7.8°C)
42.9°F
(6.1°C)
3.2°F
(1.7°C)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Aug 1990–May 1991
10-Month
48.6°F
(9.2°C)
45.9°F
(7.7°C)
2.7°F
(1.5°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012
Jul 1990–May 1991
11-Month
50.8°F
(10.4°C)
48.5°F
(9.2°C)
2.3°F
(1.2°C)
118th Coolest
Coolest since:
1904
10th Warmest
Warmest since:
2012
Ties: 1998
Jun 1990–May 1991
12-Month
52.5°F
(11.4°C)
50.3°F
(10.2°C)
2.2°F
(1.2°C)
117th Coolest
Coolest since:
1904
11th Warmest
Warmest since:
2012
Dec 1989–May 1991
18-Month
48.2°F
(9.0°C)
46.2°F
(7.9°C)
2.0°F
(1.1°C)
113th Coolest
Coolest since:
1905
14th Warmest
Warmest since:
2017
Ties: 2007
Jun 1989–May 1991
24-Month
51.7°F
(10.9°C)
50.3°F
(10.2°C)
1.4°F
(0.7°C)
110th Coolest
Coolest since:
1905
17th Warmest
Warmest since:
2017
Ties: 1935, 1942, 2021
Jun 1988–May 1991
36-Month
51.5°F
(10.8°C)
50.2°F
(10.1°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1905, 1906
24th Warmest
Warmest since:
2018
Ties: 1987, 1993, 2021
Jun 1987–May 1991
48-Month
51.5°F
(10.8°C)
50.3°F
(10.2°C)
1.2°F
(0.6°C)
103rd Coolest
Coolest since:
1905
22nd Warmest
Warmest since:
2019
Ties: 1933, 1988, 2014, 2017
Jun 1986–May 1991
60-Month
51.6°F
(10.9°C)
50.2°F
(10.1°C)
1.4°F
(0.8°C)
110th Coolest
Coolest since:
1905, 1906, 1908
14th Warmest
Warmest since:
2020
Ties: 2001, 2004, 2009, 2022

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