Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 3. West

Average Temperature Rankings, May 1991

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1991
1-Month
67.8°F
(19.9°C)
62.3°F
(16.8°C)
5.5°F
(3.1°C)
121st Coolest
Coolest since:
1924
8th Warmest
Warmest since:
2018
Apr–May 1991
2-Month
61.8°F
(16.6°C)
56.8°F
(13.8°C)
5.0°F
(2.8°C)
126th Coolest
Coolest since:
1907
3rd Warmest
Warmest since:
1896
Mar–May 1991
3-Month
55.9°F
(13.3°C)
50.9°F
(10.5°C)
5.0°F
(2.8°C)
126th Coolest
Coolest since:
1960
3rd Warmest
Warmest since:
2012
Feb–May 1991
4-Month
50.2°F
(10.1°C)
45.2°F
(7.3°C)
5.0°F
(2.8°C)
126th Coolest
Coolest since:
1978
3rd Warmest
Warmest since:
2012
Ties: 1921
Jan–May 1991
5-Month
44.4°F
(6.9°C)
40.9°F
(4.9°C)
3.5°F
(2.0°C)
119th Coolest
Coolest since:
1978
10th Warmest
Warmest since:
2012
Ties: 1990
Dec 1990–May 1991
6-Month
41.7°F
(5.4°C)
38.9°F
(3.8°C)
2.8°F
(1.6°C)
117th Coolest
Coolest since:
1978
11th Warmest
Warmest since:
2012
Nov 1990–May 1991
7-Month
42.3°F
(5.7°C)
39.0°F
(3.9°C)
3.3°F
(1.8°C)
120th Coolest
Coolest since:
1978
8th Warmest
Warmest since:
2012
Ties: 1987, 1998
Oct 1990–May 1991
8-Month
43.6°F
(6.4°C)
41.0°F
(5.0°C)
2.6°F
(1.4°C)
115th Coolest
Coolest since:
1978
13th Warmest
Warmest since:
2012
Sep 1990–May 1991
9-Month
46.3°F
(7.9°C)
43.7°F
(6.5°C)
2.6°F
(1.4°C)
117th Coolest
Coolest since:
1978
11th Warmest
Warmest since:
2012
Ties: 2002
Aug 1990–May 1991
10-Month
49.0°F
(9.4°C)
46.7°F
(8.2°C)
2.3°F
(1.2°C)
116th Coolest
Coolest since:
1978
12th Warmest
Warmest since:
2012
Ties: 1954
Jul 1990–May 1991
11-Month
51.3°F
(10.7°C)
49.4°F
(9.7°C)
1.9°F
(1.0°C)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest since:
2012
Ties: 1914, 1998
Jun 1990–May 1991
12-Month
53.0°F
(11.7°C)
51.2°F
(10.7°C)
1.8°F
(1.0°C)
111th Coolest
Coolest since:
1904
17th Warmest
Warmest since:
2012
Ties: 1922, 1935
Dec 1989–May 1991
18-Month
48.6°F
(9.2°C)
47.1°F
(8.4°C)
1.5°F
(0.8°C)
107th Coolest
Coolest since:
1979
20th Warmest
Warmest since:
2017
Jun 1989–May 1991
24-Month
52.3°F
(11.3°C)
51.3°F
(10.7°C)
1.0°F
(0.6°C)
106th Coolest
Coolest since:
1905
21st Warmest
Warmest since:
2017
Ties: 1923, 1934, 1956
Jun 1988–May 1991
36-Month
52.1°F
(11.2°C)
51.2°F
(10.7°C)
0.9°F
(0.5°C)
99th Coolest
Coolest since:
1979
27th Warmest
Warmest since:
2018
Ties: 1915, 1940, 1941, 1942, 1943
Jun 1987–May 1991
48-Month
52.1°F
(11.2°C)
51.2°F
(10.7°C)
0.9°F
(0.5°C)
96th Coolest
Coolest since:
1980
29th Warmest
Warmest since:
1935
Ties: 2012
Jun 1986–May 1991
60-Month
52.3°F
(11.3°C)
51.2°F
(10.7°C)
1.1°F
(0.6°C)
110th Coolest
Coolest since:
1906, 1907, 1979
14th Warmest
Warmest since:
1935
Ties: 1941

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