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 2. Northeast

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
64.6°F
(18.1°C)
63.7°F
(17.6°C)
0.9°F
(0.5°C)
79th Coolest
Coolest since:
1918
50th Warmest
Warmest since:
1897
Ties: 1955, 1980, 2000
Aug–Sep 2010
2-Month
69.7°F
(20.9°C)
67.4°F
(19.7°C)
2.3°F
(1.2°C)
109th Coolest
Coolest since:
1902
20th Warmest
Warmest since:
1947
Jul–Sep 2010
3-Month
71.8°F
(22.1°C)
69.3°F
(20.7°C)
2.5°F
(1.4°C)
118th Coolest
Coolest since:
1924
11th Warmest
Warmest since:
1936
Jun–Sep 2010
4-Month
71.6°F
(22.0°C)
69.2°F
(20.7°C)
2.4°F
(1.3°C)
118th Coolest
Coolest since:
1915
11th Warmest
Warmest since:
2005
May–Sep 2010
5-Month
69.6°F
(20.9°C)
67.1°F
(19.5°C)
2.5°F
(1.4°C)
117th Coolest
Coolest since:
1924
12th Warmest
Warmest since:
1921, 1988
Ties: 1987, 2016
Apr–Sep 2010
6-Month
67.2°F
(19.6°C)
63.9°F
(17.7°C)
3.3°F
(1.9°C)
127th Coolest
Coolest since:
1907
2nd Warmest
Warmest since:
1921
Ties: 1991
Mar–Sep 2010
7-Month
63.5°F
(17.5°C)
59.9°F
(15.5°C)
3.6°F
(2.0°C)
126th Coolest
Coolest since:
1924
3rd Warmest
Warmest since:
2012
Feb–Sep 2010
8-Month
58.7°F
(14.8°C)
55.5°F
(13.1°C)
3.2°F
(1.7°C)
123rd Coolest
Coolest since:
1904, 1917
6th Warmest
Warmest since:
2012
Ties: 2016
Jan–Sep 2010
9-Month
54.3°F
(12.4°C)
51.7°F
(10.9°C)
2.6°F
(1.5°C)
119th Coolest
Coolest since:
1904, 1912
10th Warmest
Warmest since:
2012
Ties: 2002
Dec 2009–Sep 2010
10-Month
51.5°F
(10.8°C)
49.1°F
(9.5°C)
2.4°F
(1.3°C)
115th Coolest
Coolest since:
1904
13th Warmest
Warmest since:
2012
Nov 2009–Sep 2010
11-Month
50.9°F
(10.5°C)
48.2°F
(9.0°C)
2.7°F
(1.5°C)
118th Coolest
Coolest since:
1904
10th Warmest
Warmest since:
2012
Ties: 2000
Oct 2009–Sep 2010
12-Month
50.6°F
(10.3°C)
48.4°F
(9.1°C)
2.2°F
(1.2°C)
111th Coolest
Coolest since:
1904
17th Warmest
Warmest since:
2012
Ties: 1954
Apr 2009–Sep 2010
18-Month
54.7°F
(12.6°C)
53.6°F
(12.0°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1904
31st Warmest
Warmest since:
2012
Ties: 1919, 1953, 2018
Oct 2008–Sep 2010
24-Month
49.1°F
(9.5°C)
48.5°F
(9.2°C)
0.6°F
(0.3°C)
90th Coolest
Coolest since:
1918
37th Warmest
Warmest since:
2017
Ties: 1953, 1956, 1995, 2019
Oct 2007–Sep 2010
36-Month
49.0°F
(9.4°C)
48.5°F
(9.2°C)
0.5°F
(0.2°C)
85th Coolest
Coolest since:
1979
41st Warmest
Warmest since:
2000
Ties: 1976, 2011
Oct 2006–Sep 2010
48-Month
49.3°F
(9.6°C)
48.4°F
(9.1°C)
0.9°F
(0.5°C)
96th Coolest
Coolest since:
1905, 1918
29th Warmest
Warmest since:
2001, 2002, 2019
Ties: 1932, 1942, 1992, 1993, 1999, 2009, 2014
Oct 2005–Sep 2010
60-Month
49.6°F
(9.8°C)
48.4°F
(9.1°C)
1.2°F
(0.7°C)
104th Coolest
Coolest since:
1905, 1906
20th Warmest
Warmest since:
2002
Ties: 1987, 2000, 2014

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