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 August 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 6. West Southwest

Average Temperature Rankings, May 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 2009
1-Month
63.9°F
(17.7°C)
63.5°F
(17.5°C)
0.4°F
(0.2°C)
63rd Coolest Coolest since: 2008 1924
64th Warmest Warmest since: 2007 2018
Ties: 1928
Apr–May 2009
2-Month
58.4°F
(14.7°C)
58.3°F
(14.6°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 2008 1907
69th Warmest Warmest since: 2007 1896
Ties: 1913
Mar–May 2009
3-Month
54.1°F
(12.3°C)
52.7°F
(11.5°C)
1.4°F
(0.8°C)
93rd Coolest Coolest since: 2008 1960
34th Warmest Warmest since: 2007 2012
Ties: 1908, 1936, 1976, 2015
Feb–May 2009
4-Month
49.3°F
(9.6°C)
47.3°F
(8.5°C)
2.0°F
(1.1°C)
101st Coolest Coolest since: 2008 1978
26th Warmest Warmest since: 2006 2012
Ties: 1945
Jan–May 2009
5-Month
44.2°F
(6.8°C)
43.3°F
(6.3°C)
0.9°F
(0.5°C)
85th Coolest Coolest since: 2008 1978
42nd Warmest Warmest since: 2007 2012
Ties: 1942, 1945, 1967
Dec 2008–May 2009
6-Month
41.7°F
(5.4°C)
41.3°F
(5.2°C)
0.4°F
(0.2°C)
70th Coolest Coolest since: 2008 1978
56th Warmest Warmest since: 2007 2012
Ties: 2019
Nov 2008–May 2009
7-Month
41.8°F
(5.4°C)
41.4°F
(5.2°C)
0.4°F
(0.2°C)
70th Coolest Coolest since: 2008 1904
56th Warmest Warmest since: 2007 2012
Ties: 1911, 1964
Oct 2008–May 2009
8-Month
43.5°F
(6.4°C)
43.3°F
(6.3°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 2008 1978
58th Warmest Warmest since: 2007 2012
Ties: 1948, 1966
Sep 2008–May 2009
9-Month
46.1°F
(7.8°C)
45.9°F
(7.7°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 2003 1904
58th Warmest Warmest since: 2008 2012
Ties: 1903, 1916, 1965, 2010, 2011, 2013
Aug 2008–May 2009
10-Month
48.8°F
(9.3°C)
48.8°F
(9.3°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 2003 1904
72nd Warmest Warmest since: 2008 2012
Ties: 1900, 1913
Jul 2008–May 2009
11-Month
51.2°F
(10.7°C)
51.4°F
(10.8°C)
-0.2°F
(-0.1°C)
48th Coolest Coolest since: 2001 1904
78th Warmest Warmest since: 2008 2012
Ties: 1900, 1944, 1961, 1966
Jun 2008–May 2009
12-Month
53.1°F
(11.7°C)
53.1°F
(11.7°C)
0.0°F
(0.0°C)
58th Coolest Coolest since: 2001 1904
68th Warmest Warmest since: 2008 2012
Ties: 1900, 1944, 1986
Dec 2007–May 2009
18-Month
48.8°F
(9.3°C)
49.1°F
(9.5°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1997 1979
83rd Warmest Warmest since: 2008 2017
Ties: 1919, 1926, 1941, 1959, 1996
Jun 2007–May 2009
24-Month
53.4°F
(11.9°C)
53.1°F
(11.7°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 1998 1905
50th Warmest Warmest since: 2008 2017
Ties: 1945, 1958, 1975, 1976, 1990
Jun 2006–May 2009
36-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 2005 1979
33rd Warmest Warmest since: 2008 2018
Ties: 1976, 1988, 2005, 2020
Jun 2005–May 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, 2006, 2012
Jun 2004–May 2009
60-Month
54.2°F
(12.3°C)
53.1°F
(11.7°C)
1.1°F
(0.6°C)
110th Coolest Coolest since: 2005 1906, 1907, 1908
12th Warmest Warmest since: 2008 2020
Ties: 2012, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2020, retrieved on September 20, 2020 from https://www.ncdc.noaa.gov/cag/