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 2006

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 2006
1-Month 		61.9°F
(16.6°C)		 63.7°F
(17.6°C)		 -1.8°F
(-1.0°C)		 25th Coolest
Coolest since:
 1918
104th Warmest
Warmest since:
 1897
Aug–Sep 2006
2-Month 		67.2°F
(19.6°C)		 67.4°F
(19.7°C)		 -0.2°F
(-0.1°C)		 53rd Coolest
Coolest since:
 1902
76th Warmest
Warmest since:
 1947
Jul–Sep 2006
3-Month 		69.9°F
(21.1°C)		 69.3°F
(20.7°C)		 0.6°F
(0.4°C)		 75th Coolest
Coolest since:
 1924
54th Warmest
Warmest since:
 1936
Ties: 1913, 1914, 1999
Jun–Sep 2006
4-Month 		69.4°F
(20.8°C)		 69.2°F
(20.7°C)		 0.2°F
(0.1°C)		 60th Coolest
Coolest since:
 1915
69th Warmest
Warmest since:
 2005
Ties: 1916, 1938, 1940, 1961
May–Sep 2006
5-Month 		67.4°F
(19.7°C)		 67.1°F
(19.5°C)		 0.3°F
(0.2°C)		 64th Coolest
Coolest since:
 1924
65th Warmest
Warmest since:
 1921, 1988
Ties: 1908, 1937, 1971
Apr–Sep 2006
6-Month 		65.1°F
(18.4°C)		 63.9°F
(17.7°C)		 1.2°F
(0.7°C)		 97th Coolest
Coolest since:
 1907
32nd Warmest
Warmest since:
 1921
Ties: 1901, 1939, 1964, 1970, 1986
Mar–Sep 2006
7-Month 		61.2°F
(16.2°C)		 59.9°F
(15.5°C)		 1.3°F
(0.7°C)		 104th Coolest
Coolest since:
 1924
25th Warmest
Warmest since:
 2012
Ties: 1911, 1938, 1999
Feb–Sep 2006
8-Month 		57.0°F
(13.9°C)		 55.5°F
(13.1°C)		 1.5°F
(0.8°C)		 102nd Coolest
Coolest since:
 1904, 1917
27th Warmest
Warmest since:
 2012
Jan–Sep 2006
9-Month 		54.5°F
(12.5°C)		 51.7°F
(10.9°C)		 2.8°F
(1.6°C)		 120th Coolest
Coolest since:
 1904, 1912
9th Warmest
Warmest since:
 2012
Dec 2005–Sep 2006
10-Month 		51.3°F
(10.7°C)		 49.1°F
(9.5°C)		 2.2°F
(1.2°C)		 111th Coolest
Coolest since:
 1904
17th Warmest
Warmest since:
 2012
Ties: 1931, 2007
Nov 2005–Sep 2006
11-Month 		50.4°F
(10.2°C)		 48.1°F
(8.9°C)		 2.3°F
(1.3°C)		 111th Coolest
Coolest since:
 1904
17th Warmest
Warmest since:
 2012
Oct 2005–Sep 2006
12-Month 		50.7°F
(10.4°C)		 48.5°F
(9.2°C)		 2.2°F
(1.2°C)		 114th Coolest
Coolest since:
 1904
14th Warmest
Warmest since:
 2012
Ties: 1919, 2021
Apr 2005–Sep 2006
18-Month 		56.1°F
(13.4°C)		 53.6°F
(12.0°C)		 2.5°F
(1.4°C)		 122nd Coolest
Coolest since:
 1904
6th Warmest
Warmest since:
 2012
Oct 2004–Sep 2006
24-Month 		51.0°F
(10.6°C)		 48.5°F
(9.2°C)		 2.5°F
(1.4°C)		 121st Coolest
Coolest since:
 1918
6th Warmest
Warmest since:
 2017
Ties: 2000
Oct 2003–Sep 2006
36-Month 		50.6°F
(10.3°C)		 48.4°F
(9.1°C)		 2.2°F
(1.2°C)		 121st Coolest
Coolest since:
 1979
5th Warmest
Warmest since:
 2000
Ties: 2017
Oct 2002–Sep 2006
48-Month 		49.9°F
(9.9°C)		 48.4°F
(9.1°C)		 1.5°F
(0.8°C)		 111th Coolest
Coolest since:
 1905, 1918
14th Warmest
Warmest since:
 2001, 2002, 2019
Ties: 2003
Oct 2001–Sep 2006
60-Month 		50.3°F
(10.2°C)		 48.4°F
(9.1°C)		 1.9°F
(1.1°C)		 121st Coolest
Coolest since:
 1905, 1906
3rd Warmest
Warmest since:
 2002

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