Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 2. Northeast

Average Temperature Rankings, September 1997

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1997
1-Month 		64.0°F
(17.8°C)		 63.7°F
(17.6°C)		 0.3°F
(0.2°C)		 66th Coolest
Coolest since:
 1918
63rd Warmest
Warmest since:
 1897
Ties: 1987
Aug–Sep 1997
2-Month 		66.2°F
(19.0°C)		 67.4°F
(19.7°C)		 -1.2°F
(-0.7°C)		 27th Coolest
Coolest since:
 1902
102nd Warmest
Warmest since:
 1947
Ties: 1957, 1962, 1963, 1999
Jul–Sep 1997
3-Month 		68.5°F
(20.3°C)		 69.4°F
(20.8°C)		 -0.9°F
(-0.5°C)		 34th Coolest
Coolest since:
 1924
95th Warmest
Warmest since:
 1936
Ties: 1912, 1963, 1989
Jun–Sep 1997
4-Month 		68.5°F
(20.3°C)		 69.2°F
(20.7°C)		 -0.7°F
(-0.4°C)		 34th Coolest
Coolest since:
 1915
95th Warmest
Warmest since:
 2005
Ties: 1896, 1942, 1946, 1976
May–Sep 1997
5-Month 		65.6°F
(18.7°C)		 67.2°F
(19.6°C)		 -1.6°F
(-0.9°C)		 17th Coolest
Coolest since:
 1924
112th Warmest
Warmest since:
 1921, 1988
Apr–Sep 1997
6-Month 		62.1°F
(16.7°C)		 63.9°F
(17.7°C)		 -1.8°F
(-1.0°C)		 13th Coolest
Coolest since:
 1907
116th Warmest
Warmest since:
 1921
Ties: 1902
Mar–Sep 1997
7-Month 		58.7°F
(14.8°C)		 59.9°F
(15.5°C)		 -1.2°F
(-0.7°C)		 19th Coolest
Coolest since:
 1924
110th Warmest
Warmest since:
 2012
Ties: 1972, 1982
Feb–Sep 1997
8-Month 		54.9°F
(12.7°C)		 55.5°F
(13.1°C)		 -0.6°F
(-0.4°C)		 41st Coolest
Coolest since:
 1904, 1917
88th Warmest
Warmest since:
 2012
Ties: 1962
Jan–Sep 1997
9-Month 		50.8°F
(10.4°C)		 51.7°F
(10.9°C)		 -0.9°F
(-0.5°C)		 31st Coolest
Coolest since:
 1904, 1912
98th Warmest
Warmest since:
 2012
Ties: 1923
Dec 1996–Sep 1997
10-Month 		48.3°F
(9.1°C)		 49.1°F
(9.5°C)		 -0.8°F
(-0.4°C)		 32nd Coolest
Coolest since:
 1904
96th Warmest
Warmest since:
 2012
Ties: 1923, 1928
Nov 1996–Sep 1997
11-Month 		46.8°F
(8.2°C)		 48.1°F
(8.9°C)		 -1.3°F
(-0.7°C)		 19th Coolest
Coolest since:
 1904
109th Warmest
Warmest since:
 2012
Ties: 1962
Oct 1996–Sep 1997
12-Month 		47.3°F
(8.5°C)		 48.5°F
(9.2°C)		 -1.2°F
(-0.7°C)		 20th Coolest
Coolest since:
 1904
108th Warmest
Warmest since:
 2012
Ties: 1960, 1963
Apr 1996–Sep 1997
18-Month 		52.3°F
(11.3°C)		 53.6°F
(12.0°C)		 -1.3°F
(-0.7°C)		 10th Coolest
Coolest since:
 1904
118th Warmest
Warmest since:
 2012
Ties: 1926, 1927, 1929, 1982
Oct 1995–Sep 1997
24-Month 		47.1°F
(8.4°C)		 48.5°F
(9.2°C)		 -1.4°F
(-0.8°C)		 10th Coolest
Coolest since:
 1918
117th Warmest
Warmest since:
 2017
Ties: 1913
Oct 1994–Sep 1997
36-Month 		48.2°F
(9.0°C)		 48.4°F
(9.1°C)		 -0.2°F
(-0.1°C)		 41st Coolest
Coolest since:
 1979
85th Warmest
Warmest since:
 2000
Ties: 1899, 1902, 1908, 1938, 1958, 1961, 1965, 1968, 1994
Oct 1993–Sep 1997
48-Month 		48.1°F
(8.9°C)		 48.4°F
(9.1°C)		 -0.3°F
(-0.2°C)		 33rd Coolest
Coolest since:
 1905, 1918
92nd Warmest
Warmest since:
 2001, 2002, 2019
Ties: 1953, 1960, 1969, 1971, 1972
Oct 1992–Sep 1997
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, 1966, 1967, 1983

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