Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, September 1987

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1987
1-Month
68.3°F
(20.2°C)
67.4°F
(19.7°C)
0.9°F
(0.5°C)
74th Coolest
Coolest since:
1918
55th Warmest
Warmest since:
1925
Ties: 1905, 1912
Aug–Sep 1987
2-Month
71.9°F
(22.2°C)
70.8°F
(21.6°C)
1.1°F
(0.6°C)
90th Coolest
Coolest since:
1967
39th Warmest
Warmest since:
1936
Ties: 1898, 1991
Jul–Sep 1987
3-Month
73.5°F
(23.1°C)
72.6°F
(22.6°C)
0.9°F
(0.5°C)
85th Coolest
Coolest since:
1967
44th Warmest
Warmest since:
1936
Ties: 1906, 1977
Jun–Sep 1987
4-Month
73.9°F
(23.3°C)
72.6°F
(22.6°C)
1.3°F
(0.7°C)
99th Coolest
Coolest since:
1967
30th Warmest
Warmest since:
1936
Ties: 1900, 1959, 2019, 2021
May–Sep 1987
5-Month
73.1°F
(22.8°C)
70.7°F
(21.5°C)
2.4°F
(1.3°C)
118th Coolest
Coolest since:
1924
11th Warmest
Warmest since:
1936
Ties: 1913
Apr–Sep 1987
6-Month
69.8°F
(21.0°C)
67.7°F
(19.8°C)
2.1°F
(1.2°C)
117th Coolest
Coolest since:
1907
12th Warmest
Warmest since:
2010
Ties: 1914, 2005, 2007
Mar–Sep 1987
7-Month
66.4°F
(19.1°C)
64.0°F
(17.8°C)
2.4°F
(1.3°C)
120th Coolest
Coolest since:
1924
9th Warmest
Warmest since:
2012
Feb–Sep 1987
8-Month
62.6°F
(17.0°C)
59.9°F
(15.5°C)
2.7°F
(1.5°C)
123rd Coolest
Coolest since:
1904, 1924
6th Warmest
Warmest since:
2012
Ties: 2016, 2017
Jan–Sep 1987
9-Month
58.7°F
(14.8°C)
56.4°F
(13.6°C)
2.3°F
(1.2°C)
120th Coolest
Coolest since:
1979
9th Warmest
Warmest since:
2012
Ties: 1938, 1953, 2002, 2005
Dec 1986–Sep 1987
10-Month
56.1°F
(13.4°C)
53.9°F
(12.2°C)
2.2°F
(1.2°C)
115th Coolest
Coolest since:
1904
13th Warmest
Warmest since:
2012
Ties: 2005
Nov 1986–Sep 1987
11-Month
54.6°F
(12.6°C)
52.8°F
(11.6°C)
1.8°F
(1.0°C)
111th Coolest
Coolest since:
1904
17th Warmest
Warmest since:
2012
Ties: 1919, 1995
Oct 1986–Sep 1987
12-Month
54.8°F
(12.7°C)
53.1°F
(11.7°C)
1.7°F
(1.0°C)
113th Coolest
Coolest since:
1904
15th Warmest
Warmest since:
2012
Ties: 1995, 2006, 2022
Apr 1986–Sep 1987
18-Month
59.7°F
(15.4°C)
58.0°F
(14.4°C)
1.7°F
(1.0°C)
118th Coolest
Coolest since:
1918
10th Warmest
Warmest since:
2012
Ties: 1921, 1922
Oct 1985–Sep 1987
24-Month
54.5°F
(12.5°C)
53.1°F
(11.7°C)
1.4°F
(0.8°C)
110th Coolest
Coolest since:
1979
17th Warmest
Warmest since:
2017
Ties: 2022
Oct 1984–Sep 1987
36-Month
54.1°F
(12.3°C)
53.0°F
(11.7°C)
1.1°F
(0.6°C)
101st Coolest
Coolest since:
1979
25th Warmest
Warmest since:
2018
Ties: 1922, 2004, 2020
Oct 1983–Sep 1987
48-Month
53.5°F
(11.9°C)
53.0°F
(11.7°C)
0.5°F
(0.2°C)
81st Coolest
Coolest since:
1980
44th Warmest
Warmest since:
2019
Ties: 1949, 1994, 1998, 1999, 2015
Oct 1982–Sep 1987
60-Month
53.7°F
(12.1°C)
53.0°F
(11.7°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1982
39th Warmest
Warmest since:
2020
Ties: 1932, 1943, 1954, 1958, 1993

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