Climate at a Glance

Divisional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of June 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 6. West Southwest

Average Temperature Rankings, April 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 2009
1-Month
52.8°F
(11.6°C)
53.0°F
(11.7°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 2008 1907
74th Warmest Warmest since: 2006 1896
Ties: 1952
Mar–Apr 2009
2-Month
49.2°F
(9.6°C)
47.3°F
(8.5°C)
1.9°F
(1.1°C)
94th Coolest Coolest since: 2008 1926
33rd Warmest Warmest since: 2007 2012
Ties: 2003
Feb–Apr 2009
3-Month
44.4°F
(6.9°C)
41.9°F
(5.5°C)
2.5°F
(1.4°C)
100th Coolest Coolest since: 2008 1899, 1978
27th Warmest Warmest since: 2006 2012
Ties: 1986
Jan–Apr 2009
4-Month
39.2°F
(4.0°C)
38.2°F
(3.4°C)
1.0°F
(0.6°C)
79th Coolest Coolest since: 2008 1912
48th Warmest Warmest since: 2007 2012
Dec 2008–Apr 2009
5-Month
37.2°F
(2.9°C)
36.8°F
(2.7°C)
0.4°F
(0.2°C)
68th Coolest Coolest since: 2008 1978
58th Warmest Warmest since: 2007 2012
Ties: 1897, 1934, 2019
Nov 2008–Apr 2009
6-Month
38.1°F
(3.4°C)
37.8°F
(3.2°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 2008 1904, 1912
56th Warmest Warmest since: 2007 2012
Ties: 1941
Oct 2008–Apr 2009
7-Month
40.6°F
(4.8°C)
40.4°F
(4.7°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 2003 1912
58th Warmest Warmest since: 2008 2012
Ties: 1910, 2010
Sep 2008–Apr 2009
8-Month
43.9°F
(6.6°C)
43.7°F
(6.5°C)
0.2°F
(0.1°C)
65th Coolest Coolest since: 2003 1904
61st Warmest Warmest since: 2008 2017
Ties: 1896, 1973
Aug 2008–Apr 2009
9-Month
47.1°F
(8.4°C)
47.2°F
(8.4°C)
-0.1°F
(0.0°C)
51st Coolest Coolest since: 2003 1918
75th Warmest Warmest since: 2008 2017
Ties: 1956, 1959, 1971, 2003, 2018
Jul 2008–Apr 2009
10-Month
49.9°F
(9.9°C)
50.1°F
(10.1°C)
-0.2°F
(-0.2°C)
46th Coolest Coolest since: 2001 1918
80th Warmest Warmest since: 2008 2012
Ties: 1929, 1947, 1984
Jun 2008–Apr 2009
11-Month
52.1°F
(11.2°C)
52.2°F
(11.2°C)
-0.1°F
(0.0°C)
56th Coolest Coolest since: 2001 1904
70th Warmest Warmest since: 2008 2017
Ties: 1910, 1927, 1933
May 2008–Apr 2009
12-Month
52.8°F
(11.6°C)
53.1°F
(11.7°C)
-0.3°F
(-0.1°C)
46th Coolest Coolest since: 2001 1918
80th Warmest Warmest since: 2008 2017
Ties: 1910, 1913, 1943
Nov 2007–Apr 2009
18-Month
47.7°F
(8.7°C)
48.0°F
(8.9°C)
-0.3°F
(-0.2°C)
44th Coolest Coolest since: 1997 1905
81st Warmest Warmest since: 2008 2017
Ties: 1924, 1925, 1928, 1960
May 2007–Apr 2009
24-Month
53.6°F
(12.0°C)
53.1°F
(11.7°C)
0.5°F
(0.3°C)
86th Coolest Coolest since: 2004 1905
39th Warmest Warmest since: 2008 2017
Ties: 1914, 1940, 1950, 1972, 1990
May 2006–Apr 2009
36-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
95th Coolest Coolest since: 2005 1979
29th Warmest Warmest since: 2008 2018
Ties: 1915, 1921, 1940, 1942, 1974, 1976, 1988, 1990, 1991
May 2005–Apr 2009
48-Month
54.3°F
(12.4°C)
53.1°F
(11.7°C)
1.2°F
(0.7°C)
109th Coolest Coolest since: 2006 1980
14th Warmest Warmest since: 2008 2019
Ties: 2000
May 2004–Apr 2009
60-Month
54.3°F
(12.4°C)
53.1°F
(11.7°C)
1.2°F
(0.7°C)
113th Coolest Coolest since: 2007 1906
9th Warmest Warmest since: 2008 2020
Ties: 1956, 1958

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published July 2020, retrieved on August 6, 2020 from https://www.ncdc.noaa.gov/cag/