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 September 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 2009
1-Month
55.3°F
(12.9°C)
55.3°F
(12.9°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 2008 1907
70th Warmest Warmest since: 2006 1896
Ties: 1947, 1958
Mar–Apr 2009
2-Month
52.0°F
(11.1°C)
49.9°F
(9.9°C)
2.1°F
(1.2°C)
95th Coolest Coolest since: 2008 1926, 1960
31st Warmest Warmest since: 2007 2012
Ties: 1987
Feb–Apr 2009
3-Month
47.4°F
(8.6°C)
45.0°F
(7.2°C)
2.4°F
(1.4°C)
100th Coolest Coolest since: 2008 1899
26th Warmest Warmest since: 2006 2012
Jan–Apr 2009
4-Month
42.6°F
(5.9°C)
41.4°F
(5.2°C)
1.2°F
(0.7°C)
82nd Coolest Coolest since: 2008 1978
44th Warmest Warmest since: 2007 2012
Ties: 1931, 1995, 2011
Dec 2008–Apr 2009
5-Month
40.8°F
(4.9°C)
40.1°F
(4.5°C)
0.7°F
(0.4°C)
72nd Coolest Coolest since: 2008 1978
53rd Warmest Warmest since: 2007 2012
Ties: 1911
Nov 2008–Apr 2009
6-Month
41.3°F
(5.2°C)
40.9°F
(4.9°C)
0.4°F
(0.3°C)
72nd Coolest Coolest since: 2008 1912
53rd Warmest Warmest since: 2007 2012
Ties: 1923, 1927, 1934, 1945
Oct 2008–Apr 2009
7-Month
43.5°F
(6.4°C)
43.2°F
(6.2°C)
0.3°F
(0.2°C)
64th Coolest Coolest since: 2003 1899, 1978
61st Warmest Warmest since: 2008 2012
Ties: 1934, 1947
Sep 2008–Apr 2009
8-Month
46.8°F
(8.2°C)
46.5°F
(8.1°C)
0.3°F
(0.1°C)
69th Coolest Coolest since: 2003 1918
56th Warmest Warmest since: 2008 2017
Ties: 1901, 1914, 1966
Aug 2008–Apr 2009
9-Month
49.9°F
(9.9°C)
49.8°F
(9.9°C)
0.1°F
(0.0°C)
62nd Coolest Coolest since: 2003 1918
63rd Warmest Warmest since: 2008 2017
Ties: 1896, 1908, 1966
Jul 2008–Apr 2009
10-Month
52.6°F
(11.4°C)
52.6°F
(11.4°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 2001 1918
70th Warmest Warmest since: 2008 2012
Ties: 1903, 1985, 1988
Jun 2008–Apr 2009
11-Month
54.7°F
(12.6°C)
54.5°F
(12.5°C)
0.2°F
(0.1°C)
61st Coolest Coolest since: 2001 1918
64th Warmest Warmest since: 2008 2012, 2017
Ties: 2018
May 2008–Apr 2009
12-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 2001 1918
71st Warmest Warmest since: 2008 2012, 2017
Ties: 1897, 1900, 1925, 1956, 1985, 1990
Nov 2007–Apr 2009
18-Month
50.6°F
(10.3°C)
50.5°F
(10.3°C)
0.1°F
(0.0°C)
58th Coolest Coolest since: 1998 1979
66th Warmest Warmest since: 2008 2017
Ties: 1921, 1925, 1926, 1948, 1998
May 2007–Apr 2009
24-Month
56.2°F
(13.4°C)
55.4°F
(13.0°C)
0.8°F
(0.4°C)
94th Coolest Coolest since: 2004 1978
30th Warmest Warmest since: 2008 2017
Ties: 1915
May 2006–Apr 2009
36-Month
56.2°F
(13.4°C)
55.3°F
(12.9°C)
0.9°F
(0.5°C)
98th Coolest Coolest since: 2005 1979
25th Warmest Warmest since: 2008 2018
Ties: 1989, 1999
May 2005–Apr 2009
48-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
109th Coolest Coolest since: 2006 1980
13th Warmest Warmest since: 2008 2019
Ties: 2000, 2001, 2006, 2012
May 2004–Apr 2009
60-Month
56.7°F
(13.7°C)
55.4°F
(13.0°C)
1.3°F
(0.7°C)
116th Coolest Coolest since: 2007 1980, 1981
5th Warmest Warmest since: 2008 1935
Ties: 2002, 2003, 2006, 2012, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/