Climate at a Glance

Divisional 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 August 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, May 1991

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
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)
118th Coolest Coolest since: 1990 1924
8th Warmest Warmest since: 1987 2018
Apr–May 1991
2-Month
61.8°F
(16.6°C)
56.8°F
(13.8°C)
5.0°F
(2.8°C)
123rd Coolest Coolest since: 1990 1907
3rd Warmest Warmest since: 1977 1896
Mar–May 1991
3-Month
55.9°F
(13.3°C)
50.9°F
(10.5°C)
5.0°F
(2.8°C)
123rd Coolest Coolest since: 1990 1960
3rd Warmest Warmest since: 1977 2012
Feb–May 1991
4-Month
50.2°F
(10.1°C)
45.2°F
(7.3°C)
5.0°F
(2.8°C)
123rd Coolest Coolest since: 1990 1978
3rd Warmest Warmest since: 1987 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)
116th Coolest Coolest since: 1990 1978
10th Warmest Warmest since: 1990 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)
114th Coolest Coolest since: 1990 1978
11th Warmest Warmest since: 1987 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)
117th Coolest Coolest since: 1990 1978
8th Warmest Warmest since: 1987 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)
112th Coolest Coolest since: 1990 1978
13th Warmest Warmest since: 1987 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)
114th Coolest Coolest since: 1990 1978
11th Warmest Warmest since: 1987 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)
113th Coolest Coolest since: 1990 1978
12th Warmest Warmest since: 1954 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)
111th Coolest Coolest since: 1990 1904
14th Warmest Warmest since: 1987 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)
108th Coolest Coolest since: 1990 1904
17th Warmest Warmest since: 1987 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)
104th Coolest Coolest since: 1990 1979
20th Warmest Warmest since: 1988 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)
103rd Coolest Coolest since: 1990 1905
21st Warmest Warmest since: 1988 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)
97th Coolest Coolest since: 1990 1979
26th Warmest Warmest since: 1989 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)
94th Coolest Coolest since: 1989 1980
28th Warmest Warmest since: 1990 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)
109th Coolest Coolest since: 1990 1906, 1907, 1979
12th Warmest Warmest since: 1957 1935
Ties: 1941

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 24, 2019 from https://www.ncdc.noaa.gov/cag/