Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 2. Northeast

Average Temperature Rankings, September 2011

View Period (Months):
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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2011
1-Month
61.4°F
(16.3°C)
63.7°F
(17.6°C)
-2.3°F
(-1.3°C)
16th Coolest
Coolest since:
1918
113th Warmest
Warmest since:
1897
Ties: 1967, 1989
Aug–Sep 2011
2-Month
66.9°F
(19.4°C)
67.5°F
(19.7°C)
-0.6°F
(-0.3°C)
45th Coolest
Coolest since:
1902
84th Warmest
Warmest since:
1947
Ties: 1910, 1985
Jul–Sep 2011
3-Month
70.5°F
(21.4°C)
69.3°F
(20.7°C)
1.2°F
(0.7°C)
92nd Coolest
Coolest since:
1924
37th Warmest
Warmest since:
1936
Ties: 1973, 1987
Jun–Sep 2011
4-Month
70.4°F
(21.3°C)
69.2°F
(20.7°C)
1.2°F
(0.6°C)
95th Coolest
Coolest since:
1915
34th Warmest
Warmest since:
2005
Ties: 1897, 1898, 1941
May–Sep 2011
5-Month
68.1°F
(20.1°C)
67.1°F
(19.5°C)
1.0°F
(0.6°C)
90th Coolest
Coolest since:
1924
39th Warmest
Warmest since:
1921, 1988
Ties: 1898, 1899, 1930, 1970, 2019
Apr–Sep 2011
6-Month
64.6°F
(18.1°C)
63.8°F
(17.7°C)
0.8°F
(0.4°C)
77th Coolest
Coolest since:
1907
52nd Warmest
Warmest since:
1921
Ties: 1980, 1983
Mar–Sep 2011
7-Month
60.7°F
(15.9°C)
59.9°F
(15.5°C)
0.8°F
(0.4°C)
83rd Coolest
Coolest since:
1924
46th Warmest
Warmest since:
2012
Ties: 1930, 1942, 1964, 2004
Feb–Sep 2011
8-Month
56.3°F
(13.5°C)
55.5°F
(13.1°C)
0.8°F
(0.4°C)
81st Coolest
Coolest since:
1904, 1917
48th Warmest
Warmest since:
2012
Ties: 1941, 1985
Jan–Sep 2011
9-Month
52.2°F
(11.2°C)
51.7°F
(10.9°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1904, 1912
52nd Warmest
Warmest since:
2012
Ties: 1906, 1942, 1959, 1981
Dec 2010–Sep 2011
10-Month
49.0°F
(9.4°C)
49.1°F
(9.5°C)
-0.1°F
(-0.1°C)
55th Coolest
Coolest since:
1904
73rd Warmest
Warmest since:
2012
Ties: 1901, 1956, 1989, 1993, 2001, 2003
Nov 2010–Sep 2011
11-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
68th Coolest
Coolest since:
1904
60th Warmest
Warmest since:
2012
Ties: 1980
Oct 2010–Sep 2011
12-Month
48.9°F
(9.4°C)
48.5°F
(9.2°C)
0.4°F
(0.2°C)
78th Coolest
Coolest since:
1904
50th Warmest
Warmest since:
2012
Ties: 1913
Apr 2010–Sep 2011
18-Month
55.0°F
(12.8°C)
53.6°F
(12.0°C)
1.4°F
(0.8°C)
105th Coolest
Coolest since:
1904
23rd Warmest
Warmest since:
2012
Ties: 1931, 1995, 2013
Oct 2009–Sep 2011
24-Month
49.7°F
(9.8°C)
48.4°F
(9.1°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1918
25th Warmest
Warmest since:
2017
Oct 2008–Sep 2011
36-Month
49.0°F
(9.4°C)
48.4°F
(9.1°C)
0.6°F
(0.3°C)
85th Coolest
Coolest since:
1979
41st Warmest
Warmest since:
2000
Ties: 1976, 2010
Oct 2007–Sep 2011
48-Month
49.0°F
(9.4°C)
48.5°F
(9.2°C)
0.5°F
(0.2°C)
80th Coolest
Coolest since:
1905, 1918
45th Warmest
Warmest since:
2001, 2002, 2019
Ties: 1944, 1994
Oct 2006–Sep 2011
60-Month
49.2°F
(9.6°C)
48.4°F
(9.1°C)
0.8°F
(0.5°C)
87th Coolest
Coolest since:
1905, 1906
37th Warmest
Warmest since:
2002
Ties: 1936, 1942

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