Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, September 2010

View Period (Months):
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2010
1-Month
68.6°F
(20.3°C)
67.4°F
(19.7°C)
1.2°F
(0.6°C)
80th Coolest
Coolest since:
1918
49th Warmest
Warmest since:
1925
Ties: 1988, 2004, 2008
Aug–Sep 2010
2-Month
73.2°F
(22.9°C)
70.8°F
(21.6°C)
2.4°F
(1.3°C)
109th Coolest
Coolest since:
1967
20th Warmest
Warmest since:
1936
Ties: 1959, 2019
Jul–Sep 2010
3-Month
74.9°F
(23.8°C)
72.6°F
(22.6°C)
2.3°F
(1.2°C)
115th Coolest
Coolest since:
1967
14th Warmest
Warmest since:
1936
Ties: 2007
Jun–Sep 2010
4-Month
75.4°F
(24.1°C)
72.6°F
(22.6°C)
2.8°F
(1.5°C)
123rd Coolest
Coolest since:
1967
6th Warmest
Warmest since:
1936
Ties: 1931
May–Sep 2010
5-Month
73.4°F
(23.0°C)
70.7°F
(21.5°C)
2.7°F
(1.5°C)
124th Coolest
Coolest since:
1924
5th Warmest
Warmest since:
1936
Ties: 1921, 2007
Apr–Sep 2010
6-Month
71.2°F
(21.8°C)
67.7°F
(19.8°C)
3.5°F
(2.0°C)
128th Coolest
Coolest since:
1907
1st Warmest
Warmest to Date
2010
Mar–Sep 2010
7-Month
67.5°F
(19.7°C)
64.0°F
(17.8°C)
3.5°F
(1.9°C)
126th Coolest
Coolest since:
1924
3rd Warmest
Warmest since:
2012
Feb–Sep 2010
8-Month
62.4°F
(16.9°C)
59.9°F
(15.5°C)
2.5°F
(1.4°C)
119th Coolest
Coolest since:
1904, 1924
10th Warmest
Warmest since:
2012
Ties: 1938
Jan–Sep 2010
9-Month
58.1°F
(14.5°C)
56.4°F
(13.6°C)
1.7°F
(0.9°C)
109th Coolest
Coolest since:
1979
20th Warmest
Warmest since:
2012
Ties: 1952, 1955
Dec 2009–Sep 2010
10-Month
55.4°F
(13.0°C)
53.9°F
(12.2°C)
1.5°F
(0.8°C)
107th Coolest
Coolest since:
1904
21st Warmest
Warmest since:
2012
Ties: 1922, 1925, 1934, 2000, 2020, 2022
Nov 2009–Sep 2010
11-Month
54.8°F
(12.7°C)
52.9°F
(11.6°C)
1.9°F
(1.1°C)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest since:
2012
Oct 2009–Sep 2010
12-Month
54.5°F
(12.5°C)
53.1°F
(11.7°C)
1.4°F
(0.8°C)
104th Coolest
Coolest since:
1904
24th Warmest
Warmest since:
2012
Ties: 1933, 2018
Apr 2009–Sep 2010
18-Month
58.7°F
(14.8°C)
58.0°F
(14.4°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1918
39th Warmest
Warmest since:
2012
Ties: 1937
Oct 2008–Sep 2010
24-Month
53.7°F
(12.1°C)
53.1°F
(11.7°C)
0.6°F
(0.4°C)
87th Coolest
Coolest since:
1979
40th Warmest
Warmest since:
2017
Ties: 1923, 1949, 1973
Oct 2007–Sep 2010
36-Month
53.6°F
(12.0°C)
53.0°F
(11.7°C)
0.6°F
(0.3°C)
84th Coolest
Coolest since:
1979
42nd Warmest
Warmest since:
2018
Ties: 1941, 1974, 2003
Oct 2006–Sep 2010
48-Month
54.0°F
(12.2°C)
53.1°F
(11.7°C)
0.9°F
(0.5°C)
101st Coolest
Coolest since:
1980
24th Warmest
Warmest since:
2019
Ties: 1932, 2003
Oct 2005–Sep 2010
60-Month
54.2°F
(12.3°C)
53.1°F
(11.7°C)
1.1°F
(0.6°C)
108th Coolest
Coolest since:
1982
16th Warmest
Warmest since:
2020
Ties: 2003, 2022

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