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


Illinois, Climate Division 3. West

Average Temperature Rankings, August 2009

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 2009
1-Month
70.3°F
(21.3°C)
73.6°F
(23.1°C)
-3.3°F
(-1.8°C)
12th Coolest Coolest since: 2004 1915
115th Warmest Warmest since: 2008 1947
Jul–Aug 2009
2-Month
70.2°F
(21.2°C)
74.9°F
(23.8°C)
-4.7°F
(-2.6°C)
4th Coolest Coolest since: 1992 1915
123rd Warmest Warmest since: 2008 1936
Jun–Aug 2009
3-Month
70.9°F
(21.6°C)
73.7°F
(23.2°C)
-2.8°F
(-1.6°C)
8th Coolest Coolest since: 2004 1915
119th Warmest Warmest since: 2008 1936
May–Aug 2009
4-Month
68.8°F
(20.4°C)
70.9°F
(21.6°C)
-2.1°F
(-1.2°C)
12th Coolest Coolest since: 1997 1915
115th Warmest Warmest since: 2008 1934
Apr–Aug 2009
5-Month
65.1°F
(18.4°C)
66.9°F
(19.4°C)
-1.8°F
(-1.0°C)
14th Coolest Coolest since: 1997 1907
113th Warmest Warmest since: 2008 1934
Ties: 1996
Mar–Aug 2009
6-Month
61.3°F
(16.3°C)
62.3°F
(16.8°C)
-1.0°F
(-0.5°C)
29th Coolest Coolest since: 2008 1950
98th Warmest Warmest since: 2007 2012
Ties: 1897, 1993
Feb–Aug 2009
7-Month
57.1°F
(13.9°C)
57.4°F
(14.1°C)
-0.3°F
(-0.2°C)
50th Coolest Coolest since: 2008 1904
77th Warmest Warmest since: 2007 2012
Ties: 1901, 1909, 1968, 1992
Jan–Aug 2009
8-Month
52.4°F
(11.3°C)
53.2°F
(11.8°C)
-0.8°F
(-0.5°C)
40th Coolest Coolest since: 2008 1904
87th Warmest Warmest since: 2007 2012
Dec 2008–Aug 2009
9-Month
49.3°F
(9.6°C)
50.5°F
(10.3°C)
-1.2°F
(-0.7°C)
26th Coolest Coolest since: 2008 1904
100th Warmest Warmest since: 2007 2012
Ties: 1929, 1997
Nov 2008–Aug 2009
10-Month
48.5°F
(9.2°C)
49.5°F
(9.7°C)
-1.0°F
(-0.5°C)
30th Coolest Coolest since: 2008 1904
96th Warmest Warmest since: 2007 2012
Ties: 1907, 1927, 1977, 1994
Oct 2008–Aug 2009
11-Month
48.9°F
(9.4°C)
49.9°F
(9.9°C)
-1.0°F
(-0.5°C)
27th Coolest Coolest since: 1997 1904
99th Warmest Warmest since: 2008 2012
Ties: 1907, 1927, 1940
Sep 2008–Aug 2009
12-Month
50.3°F
(10.2°C)
51.2°F
(10.7°C)
-0.9°F
(-0.5°C)
30th Coolest Coolest since: 1997 1904
96th Warmest Warmest since: 2008 2012
Ties: 1897, 1927
Mar 2008–Aug 2009
18-Month
53.9°F
(12.2°C)
55.0°F
(12.8°C)
-1.1°F
(-0.6°C)
21st Coolest Coolest since: 1997 1904
105th Warmest Warmest since: 2008 2012
Ties: 1962, 1967, 1978
Sep 2007–Aug 2009
24-Month
50.7°F
(10.4°C)
51.3°F
(10.7°C)
-0.6°F
(-0.3°C)
30th Coolest Coolest since: 1997 1979
95th Warmest Warmest since: 2008 2017
Ties: 1926, 1962, 1967, 1985
Sep 2006–Aug 2009
36-Month
51.3°F
(10.7°C)
51.3°F
(10.7°C)
0.0°F
(0.0°C)
67th Coolest Coolest since: 1998 1979
57th Warmest Warmest since: 2008 2018
Ties: 1914, 1983, 2011
Sep 2005–Aug 2009
48-Month
51.9°F
(11.1°C)
51.2°F
(10.7°C)
0.7°F
(0.4°C)
92nd Coolest Coolest since: 2004 1905
31st Warmest Warmest since: 2008 1934
Ties: 1937, 1939, 1940, 1944, 1992, 2017
Sep 2004–Aug 2009
60-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
106th Coolest Coolest since: 2005 1906
16th Warmest Warmest since: 2008 1934, 1935
Ties: 1923, 1932

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2021, retrieved on January 24, 2021 from https://www.ncdc.noaa.gov/cag/