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 6. West Southwest

Average Temperature Rankings, May 1987

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1987
1-Month
69.7°F
(20.9°C)
63.5°F
(17.5°C)
6.2°F
(3.4°C)
122nd Coolest Coolest since: 1986 1924
4th Warmest Warmest since: 1962 2018
Apr–May 1987
2-Month
61.9°F
(16.6°C)
58.3°F
(14.6°C)
3.6°F
(2.0°C)
115th Coolest Coolest since: 1986 1907
11th Warmest Warmest since: 1977 1896
Mar–May 1987
3-Month
56.6°F
(13.7°C)
52.7°F
(11.5°C)
3.9°F
(2.2°C)
119th Coolest Coolest since: 1986 1960
7th Warmest Warmest since: 1977 2012
Ties: 2010
Feb–May 1987
4-Month
51.7°F
(10.9°C)
47.4°F
(8.6°C)
4.3°F
(2.3°C)
120th Coolest Coolest since: 1986 1978
6th Warmest Warmest since: 1977 2012
Jan–May 1987
5-Month
46.7°F
(8.2°C)
43.3°F
(6.3°C)
3.4°F
(1.9°C)
115th Coolest Coolest since: 1986 1978
11th Warmest Warmest since: 1946 2012
Dec 1986–May 1987
6-Month
44.4°F
(6.9°C)
41.3°F
(5.2°C)
3.1°F
(1.7°C)
116th Coolest Coolest since: 1986 1978
9th Warmest Warmest since: 1932 2012
Ties: 1991, 2006
Nov 1986–May 1987
7-Month
43.6°F
(6.4°C)
41.4°F
(5.2°C)
2.2°F
(1.2°C)
107th Coolest Coolest since: 1986 1904
18th Warmest Warmest since: 1976 2012
Oct 1986–May 1987
8-Month
45.2°F
(7.3°C)
43.2°F
(6.2°C)
2.0°F
(1.1°C)
107th Coolest Coolest since: 1986 1978
18th Warmest Warmest since: 1976 2012
Ties: 1942, 2007
Sep 1986–May 1987
9-Month
48.0°F
(8.9°C)
45.9°F
(7.7°C)
2.1°F
(1.2°C)
110th Coolest Coolest since: 1986 1904
15th Warmest Warmest since: 1955 2012
Ties: 1939
Aug 1986–May 1987
10-Month
50.3°F
(10.2°C)
48.8°F
(9.3°C)
1.5°F
(0.9°C)
105th Coolest Coolest since: 1986 1904
20th Warmest Warmest since: 1976 2012
Ties: 1972, 2007
Jul 1986–May 1987
11-Month
52.9°F
(11.6°C)
51.4°F
(10.8°C)
1.5°F
(0.8°C)
108th Coolest Coolest since: 1986 1904
17th Warmest Warmest since: 1955 2012
Ties: 2007
Jun 1986–May 1987
12-Month
54.7°F
(12.6°C)
53.1°F
(11.7°C)
1.6°F
(0.9°C)
109th Coolest Coolest since: 1986 1904
16th Warmest Warmest since: 1955 2012
Ties: 1935
Dec 1985–May 1987
18-Month
50.5°F
(10.3°C)
49.2°F
(9.6°C)
1.3°F
(0.7°C)
104th Coolest Coolest since: 1986 1979
20th Warmest Warmest since: 1955 2017
Ties: 1934, 2005, 2008
Jun 1985–May 1987
24-Month
53.9°F
(12.2°C)
53.1°F
(11.7°C)
0.8°F
(0.5°C)
95th Coolest Coolest since: 1986 1905
29th Warmest Warmest since: 1956 2017
Jun 1984–May 1987
36-Month
53.9°F
(12.2°C)
53.1°F
(11.7°C)
0.8°F
(0.5°C)
97th Coolest Coolest since: 1986 1979
26th Warmest Warmest since: 1974 2018
Ties: 1922, 1943, 1974, 1991, 1993, 1999
Jun 1983–May 1987
48-Month
53.6°F
(12.0°C)
53.1°F
(11.7°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 1986 1980
40th Warmest Warmest since: 1958 2019
Ties: 1938, 1945, 2015
Jun 1982–May 1987
60-Month
53.5°F
(11.9°C)
53.1°F
(11.7°C)
0.4°F
(0.2°C)
73rd Coolest Coolest since: 1986 1906, 1907, 1908
48th Warmest Warmest since: 1976 1957
Ties: 1924, 1950, 1954, 1995, 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/