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 2005

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2005
1-Month
69.2°F
(20.7°C)
63.7°F
(17.6°C)
5.5°F
(3.1°C)
127th Coolest
Coolest since:
1918
2nd Warmest
Warmest since:
1897
Aug–Sep 2005
2-Month
71.2°F
(21.8°C)
67.4°F
(19.7°C)
3.8°F
(2.1°C)
125th Coolest
Coolest since:
1902
4th Warmest
Warmest since:
1947
Jul–Sep 2005
3-Month
72.4°F
(22.4°C)
69.4°F
(20.8°C)
3.0°F
(1.6°C)
124th Coolest
Coolest since:
1924
5th Warmest
Warmest since:
1936
Ties: 2016
Jun–Sep 2005
4-Month
72.8°F
(22.7°C)
69.2°F
(20.7°C)
3.6°F
(2.0°C)
128th Coolest
Coolest since:
1915
1st Warmest
Warmest to Date
2005
May–Sep 2005
5-Month
69.7°F
(20.9°C)
67.1°F
(19.5°C)
2.6°F
(1.4°C)
121st Coolest
Coolest since:
1924
8th Warmest
Warmest since:
1921, 1988
Ties: 1933, 1959, 1998
Apr–Sep 2005
6-Month
66.9°F
(19.4°C)
63.9°F
(17.7°C)
3.0°F
(1.7°C)
125th Coolest
Coolest since:
1907
4th Warmest
Warmest since:
1921
Mar–Sep 2005
7-Month
62.3°F
(16.8°C)
59.9°F
(15.5°C)
2.4°F
(1.3°C)
117th Coolest
Coolest since:
1924
12th Warmest
Warmest since:
2012
Feb–Sep 2005
8-Month
58.5°F
(14.7°C)
55.5°F
(13.1°C)
3.0°F
(1.6°C)
121st Coolest
Coolest since:
1904, 1917
8th Warmest
Warmest since:
2012
Jan–Sep 2005
9-Month
54.7°F
(12.6°C)
51.7°F
(10.9°C)
3.0°F
(1.7°C)
123rd Coolest
Coolest since:
1904, 1912
6th Warmest
Warmest since:
2012
Ties: 1991, 2017
Dec 2004–Sep 2005
10-Month
52.0°F
(11.1°C)
49.1°F
(9.5°C)
2.9°F
(1.6°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Ties: 1991
Nov 2004–Sep 2005
11-Month
51.2°F
(10.7°C)
48.1°F
(8.9°C)
3.1°F
(1.8°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Ties: 2017
Oct 2004–Sep 2005
12-Month
51.4°F
(10.8°C)
48.5°F
(9.2°C)
2.9°F
(1.6°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Apr 2004–Sep 2005
18-Month
55.5°F
(13.1°C)
53.6°F
(12.0°C)
1.9°F
(1.1°C)
116th Coolest
Coolest since:
1904
12th Warmest
Warmest since:
2012
Ties: 1922
Oct 2003–Sep 2005
24-Month
50.5°F
(10.3°C)
48.4°F
(9.1°C)
2.1°F
(1.2°C)
117th Coolest
Coolest since:
1918
10th Warmest
Warmest since:
2017
Ties: 1932, 2007, 2021
Oct 2002–Sep 2005
36-Month
49.7°F
(9.8°C)
48.4°F
(9.1°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1979
24th Warmest
Warmest since:
2000
Ties: 1987, 1992
Oct 2001–Sep 2005
48-Month
50.2°F
(10.1°C)
48.4°F
(9.1°C)
1.8°F
(1.0°C)
116th Coolest
Coolest since:
1905, 1918
9th Warmest
Warmest since:
2001, 2002, 2019
Oct 2000–Sep 2005
60-Month
49.9°F
(9.9°C)
48.4°F
(9.1°C)
1.5°F
(0.8°C)
114th Coolest
Coolest since:
1905, 1906
10th Warmest
Warmest since:
2002
Ties: 1991, 2012, 2013, 2022

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