Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 2. Northeast

Average Temperature Rankings, September 1909

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
September 1909
1-Month 		61.1°F
(16.2°C)		 63.7°F
(17.6°C)		 -2.6°F
(-1.4°C)		 14th Coolest
Coolest since:
 1918
115th Warmest
Warmest since:
 1897
Ties: 1917
Aug–Sep 1909
2-Month 		67.3°F
(19.6°C)		 67.4°F
(19.7°C)		 -0.1°F
(-0.1°C)		 54th Coolest
Coolest since:
 1902
75th Warmest
Warmest since:
 1947
Ties: 1901, 1979, 1996
Jul–Sep 1909
3-Month 		68.4°F
(20.2°C)		 69.3°F
(20.7°C)		 -0.9°F
(-0.5°C)		 32nd Coolest
Coolest since:
 1924
97th Warmest
Warmest since:
 1936
Ties: 1993
Jun–Sep 1909
4-Month 		68.1°F
(20.1°C)		 69.2°F
(20.7°C)		 -1.1°F
(-0.6°C)		 27th Coolest
Coolest since:
 1915
102nd Warmest
Warmest since:
 2005
Ties: 1993
May–Sep 1909
5-Month 		65.8°F
(18.8°C)		 67.1°F
(19.5°C)		 -1.3°F
(-0.7°C)		 18th Coolest
Coolest since:
 1924
111th Warmest
Warmest since:
 1921, 1988
Ties: 1935, 1958, 1996
Apr–Sep 1909
6-Month 		62.2°F
(16.8°C)		 63.9°F
(17.7°C)		 -1.7°F
(-0.9°C)		 15th Coolest
Coolest since:
 1907
114th Warmest
Warmest since:
 1921
Ties: 1927
Mar–Sep 1909
7-Month 		58.2°F
(14.6°C)		 59.9°F
(15.5°C)		 -1.7°F
(-0.9°C)		 13th Coolest
Coolest since:
 1924
116th Warmest
Warmest since:
 2012
Ties: 1960, 1967
Feb–Sep 1909
8-Month 		54.5°F
(12.5°C)		 55.5°F
(13.1°C)		 -1.0°F
(-0.6°C)		 28th Coolest
Coolest since:
 1904, 1917
101st Warmest
Warmest since:
 2012
Ties: 1920
Jan–Sep 1909
9-Month 		51.2°F
(10.7°C)		 51.7°F
(10.9°C)		 -0.5°F
(-0.2°C)		 42nd Coolest
Coolest since:
 1904, 1912
87th Warmest
Warmest since:
 2012
Ties: 1901, 1903, 1945, 1948, 1970, 2003
Dec 1908–Sep 1909
10-Month 		48.8°F
(9.3°C)		 49.1°F
(9.5°C)		 -0.3°F
(-0.2°C)		 44th Coolest
Coolest since:
 1904
84th Warmest
Warmest since:
 2012
Ties: 1960, 1971, 1974
Nov 1908–Sep 1909
11-Month 		47.9°F
(8.8°C)		 48.1°F
(8.9°C)		 -0.2°F
(-0.1°C)		 49th Coolest
Coolest since:
 1904
79th Warmest
Warmest since:
 2012
Ties: 1916, 1974, 2001, 2003
Oct 1908–Sep 1909
12-Month 		48.2°F
(9.0°C)		 48.5°F
(9.2°C)		 -0.3°F
(-0.2°C)		 45th Coolest
Coolest since:
 1904
83rd Warmest
Warmest since:
 2012
Ties: 1923, 1928, 1971, 1993
Apr 1908–Sep 1909
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: 1947, 1959, 1966, 1980
Oct 1907–Sep 1909
24-Month 		48.4°F
(9.1°C)		 48.5°F
(9.2°C)		 -0.1°F
(-0.1°C)		 51st Coolest
Coolest since:
 1918
76th Warmest
Warmest since:
 2017
Ties: 1915, 1945, 1948, 1972, 1985, 1993
Oct 1906–Sep 1909
36-Month 		48.0°F
(8.9°C)		 48.4°F
(9.1°C)		 -0.4°F
(-0.2°C)		 29th Coolest
Coolest since:
 1979
97th Warmest
Warmest since:
 2000
Ties: 1903, 1937, 1969
Oct 1905–Sep 1909
48-Month 		48.2°F
(9.0°C)		 48.4°F
(9.1°C)		 -0.2°F
(-0.1°C)		 39th Coolest
Coolest since:
 1905, 1918
86th Warmest
Warmest since:
 2001, 2002, 2019
Ties: 1914, 1964
Oct 1904–Sep 1909
60-Month 		48.0°F
(8.9°C)		 48.4°F
(9.1°C)		 -0.4°F
(-0.2°C)		 24th Coolest
Coolest since:
 1905, 1906
100th Warmest
Warmest since:
 2002
Ties: 1903, 1915, 1951, 1952, 1964, 1969, 1970, 1971

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