Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 2. Northeast

Average Temperature Rankings, September 1966

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1966
1-Month 		62.0°F
(16.7°C)		 63.7°F
(17.6°C)		 -1.7°F
(-0.9°C)		 26th Coolest
Coolest since:
 1918
103rd Warmest
Warmest since:
 1897
Ties: 1932, 2001
Aug–Sep 1966
2-Month 		65.6°F
(18.7°C)		 67.4°F
(19.7°C)		 -1.8°F
(-1.0°C)		 15th Coolest
Coolest since:
 1902
114th Warmest
Warmest since:
 1947
Ties: 1928, 1942, 1982
Jul–Sep 1966
3-Month 		69.0°F
(20.6°C)		 69.3°F
(20.7°C)		 -0.3°F
(-0.1°C)		 47th Coolest
Coolest since:
 1924
82nd Warmest
Warmest since:
 1936
Ties: 1923
Jun–Sep 1966
4-Month 		69.1°F
(20.6°C)		 69.2°F
(20.7°C)		 -0.1°F
(-0.1°C)		 49th Coolest
Coolest since:
 1915
80th Warmest
Warmest since:
 2005
May–Sep 1966
5-Month 		66.1°F
(18.9°C)		 67.1°F
(19.5°C)		 -1.0°F
(-0.6°C)		 26th Coolest
Coolest since:
 1924
103rd Warmest
Warmest since:
 1921, 1988
Ties: 1910, 1981
Apr–Sep 1966
6-Month 		62.6°F
(17.0°C)		 63.9°F
(17.7°C)		 -1.3°F
(-0.7°C)		 20th Coolest
Coolest since:
 1907
109th Warmest
Warmest since:
 1921
Ties: 1903, 1929
Mar–Sep 1966
7-Month 		59.2°F
(15.1°C)		 59.9°F
(15.5°C)		 -0.7°F
(-0.4°C)		 35th Coolest
Coolest since:
 1924
94th Warmest
Warmest since:
 2012
Ties: 1935, 1961, 1974, 1979
Feb–Sep 1966
8-Month 		55.0°F
(12.8°C)		 55.5°F
(13.1°C)		 -0.5°F
(-0.3°C)		 43rd Coolest
Coolest since:
 1904, 1917
86th Warmest
Warmest since:
 2012
Ties: 1895, 1900, 1913, 1963, 1974, 1980, 2008, 2013
Jan–Sep 1966
9-Month 		50.6°F
(10.3°C)		 51.7°F
(10.9°C)		 -1.1°F
(-0.6°C)		 27th Coolest
Coolest since:
 1904, 1912
102nd Warmest
Warmest since:
 2012
Ties: 1947, 1960, 1965
Dec 1965–Sep 1966
10-Month 		48.9°F
(9.4°C)		 49.1°F
(9.5°C)		 -0.2°F
(-0.1°C)		 48th Coolest
Coolest since:
 1904
80th Warmest
Warmest since:
 2012
Ties: 1927, 1948, 1959, 1961, 1977, 2008
Nov 1965–Sep 1966
11-Month 		48.1°F
(8.9°C)		 48.1°F
(8.9°C)		 0.0°F
(0.0°C)		 57th Coolest
Coolest since:
 1904
71st Warmest
Warmest since:
 2012
Ties: 1910, 1935, 1952, 1961
Oct 1965–Sep 1966
12-Month 		48.4°F
(9.1°C)		 48.5°F
(9.2°C)		 -0.1°F
(-0.1°C)		 51st Coolest
Coolest since:
 1904
77th Warmest
Warmest since:
 2012
Ties: 1897, 1948
Apr 1965–Sep 1966
18-Month 		53.5°F
(11.9°C)		 53.6°F
(12.0°C)		 -0.1°F
(-0.1°C)		 51st Coolest
Coolest since:
 1904
77th Warmest
Warmest since:
 2012
Ties: 1909, 1947, 1959, 1980
Oct 1964–Sep 1966
24-Month 		48.0°F
(8.9°C)		 48.5°F
(9.2°C)		 -0.5°F
(-0.3°C)		 32nd Coolest
Coolest since:
 1918
95th Warmest
Warmest since:
 2017
Ties: 1907, 1925, 1930, 1936, 1960, 1967, 1968, 1994
Oct 1963–Sep 1966
36-Month 		48.6°F
(9.2°C)		 48.4°F
(9.1°C)		 0.2°F
(0.1°C)		 68th Coolest
Coolest since:
 1979
58th Warmest
Warmest since:
 2000
Ties: 1986, 1998
Oct 1962–Sep 1966
48-Month 		48.3°F
(9.1°C)		 48.4°F
(9.1°C)		 -0.1°F
(0.0°C)		 42nd Coolest
Coolest since:
 1905, 1918
83rd Warmest
Warmest since:
 2001, 2002, 2019
Ties: 1899, 1903, 1937, 1938, 1946, 1948, 1959, 1967, 1996
Oct 1961–Sep 1966
60-Month 		48.1°F
(8.9°C)		 48.4°F
(9.1°C)		 -0.3°F
(-0.2°C)		 33rd Coolest
Coolest since:
 1905, 1906
91st Warmest
Warmest since:
 2002
Ties: 1960, 1965, 1967, 1983, 1997

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