Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 8. Southwest

Average Temperature Rankings, August 1989

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 1989
1-Month 		75.6°F
(24.2°C)		 76.0°F
(24.4°C)		 -0.4°F
(-0.2°C)		 51st Coolest
Coolest since:
 1915
78th Warmest
Warmest since:
 1936
Ties: 1898, 1948
Jul–Aug 1989
2-Month 		76.3°F
(24.6°C)		 77.0°F
(25.0°C)		 -0.7°F
(-0.4°C)		 42nd Coolest
Coolest since:
 1967
87th Warmest
Warmest since:
 1936
Ties: 1958, 1981
Jun–Aug 1989
3-Month 		74.9°F
(23.8°C)		 75.9°F
(24.4°C)		 -1.0°F
(-0.6°C)		 31st Coolest
Coolest since:
 1915, 1927
98th Warmest
Warmest since:
 1936
Ties: 1946, 1965, 2003
May–Aug 1989
4-Month 		71.7°F
(22.1°C)		 73.2°F
(22.9°C)		 -1.5°F
(-0.8°C)		 18th Coolest
Coolest since:
 1967
111th Warmest
Warmest since:
 1936
Apr–Aug 1989
5-Month 		68.6°F
(20.3°C)		 69.6°F
(20.9°C)		 -1.0°F
(-0.6°C)		 25th Coolest
Coolest since:
 1907
104th Warmest
Warmest since:
 2010
Ties: 1929
Mar–Aug 1989
6-Month 		64.6°F
(18.1°C)		 65.5°F
(18.6°C)		 -0.9°F
(-0.5°C)		 27th Coolest
Coolest since:
 1904
102nd Warmest
Warmest since:
 2012
Ties: 1897, 1923, 1978
Feb–Aug 1989
7-Month 		59.6°F
(15.3°C)		 61.1°F
(16.2°C)		 -1.5°F
(-0.9°C)		 15th Coolest
Coolest since:
 1904
114th Warmest
Warmest since:
 2012
Ties: 1907, 1915, 2014
Jan–Aug 1989
8-Month 		57.1°F
(13.9°C)		 57.3°F
(14.1°C)		 -0.2°F
(-0.2°C)		 52nd Coolest
Coolest since:
 1912
77th Warmest
Warmest since:
 2012
Ties: 1927, 1937, 1945, 1962, 1967
Dec 1988–Aug 1989
9-Month 		54.8°F
(12.7°C)		 54.8°F
(12.7°C)		 0.0°F
(0.0°C)		 58th Coolest
Coolest since:
 1904
70th Warmest
Warmest since:
 2012
Ties: 1956, 1975, 2009
Nov 1988–Aug 1989
10-Month 		53.9°F
(12.2°C)		 53.8°F
(12.1°C)		 0.1°F
(0.1°C)		 57th Coolest
Coolest since:
 1904
71st Warmest
Warmest since:
 2012
Ties: 1898, 1923, 1964, 1965, 1966, 1967, 1975
Oct 1988–Aug 1989
11-Month 		53.7°F
(12.1°C)		 54.1°F
(12.3°C)		 -0.4°F
(-0.2°C)		 39th Coolest
Coolest since:
 1904
89th Warmest
Warmest since:
 2012
Ties: 1928, 1973, 2015
Sep 1988–Aug 1989
12-Month 		55.0°F
(12.8°C)		 55.4°F
(13.0°C)		 -0.4°F
(-0.2°C)		 43rd Coolest
Coolest since:
 1904
85th Warmest
Warmest since:
 2012
Ties: 1907, 2001
Mar 1988–Aug 1989
18-Month 		58.9°F
(14.9°C)		 58.7°F
(14.8°C)		 0.2°F
(0.1°C)		 65th Coolest
Coolest since:
 1904
63rd Warmest
Warmest since:
 2012
Sep 1987–Aug 1989
24-Month 		55.4°F
(13.0°C)		 55.4°F
(13.0°C)		 0.0°F
(0.0°C)		 57th Coolest
Coolest since:
 1979
70th Warmest
Warmest since:
 2017
Ties: 1937, 1948, 1981, 1996
Sep 1986–Aug 1989
36-Month 		55.9°F
(13.3°C)		 55.4°F
(13.0°C)		 0.5°F
(0.3°C)		 85th Coolest
Coolest since:
 1979
41st Warmest
Warmest since:
 2018
Ties: 1941, 1944, 2010, 2016
Sep 1985–Aug 1989
48-Month 		56.0°F
(13.3°C)		 55.3°F
(12.9°C)		 0.7°F
(0.4°C)		 88th Coolest
Coolest since:
 1980
37th Warmest
Warmest since:
 2019
Ties: 1939, 1941, 1991, 1992, 1993, 2015
Sep 1984–Aug 1989
60-Month 		55.9°F
(13.3°C)		 55.3°F
(12.9°C)		 0.6°F
(0.4°C)		 82nd Coolest
Coolest since:
 1906
42nd Warmest
Warmest since:
 2020
Ties: 1941, 1945, 1954, 1990, 1995, 1999

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