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


Illinois, Climate Division 3. West

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
50.5°F
(10.3°C)
51.3°F
(10.7°C)
-0.8°F
(-0.4°C)
46th Coolest Coolest since: 2008 2018
81st Warmest Warmest since: 2008 2010
Ties: 1943, 1972, 2008
Mar–Apr 2009
2-Month
46.2°F
(7.9°C)
45.2°F
(7.3°C)
1.0°F
(0.6°C)
78th Coolest Coolest since: 2008 1960
49th Warmest Warmest since: 2007 2012
Ties: 1895
Feb–Apr 2009
3-Month
41.5°F
(5.3°C)
39.5°F
(4.2°C)
2.0°F
(1.1°C)
98th Coolest Coolest since: 2008 1899
29th Warmest Warmest since: 2006 2012
Ties: 2010
Jan–Apr 2009
4-Month
36.0°F
(2.2°C)
35.6°F
(2.0°C)
0.4°F
(0.2°C)
71st Coolest Coolest since: 2008 1912
56th Warmest Warmest since: 2007 2012
Ties: 1903, 1968
Dec 2008–Apr 2009
5-Month
33.7°F
(0.9°C)
34.2°F
(1.2°C)
-0.5°F
(-0.3°C)
49th Coolest Coolest since: 2008 1978
77th Warmest Warmest since: 2007 2012
Ties: 1997, 2015
Nov 2008–Apr 2009
6-Month
35.0°F
(1.7°C)
35.2°F
(1.8°C)
-0.2°F
(-0.1°C)
56th Coolest Coolest since: 2008 1904, 1912, 1978
70th Warmest Warmest since: 2007 2012
Ties: 1961
Oct 2008–Apr 2009
7-Month
37.6°F
(3.1°C)
37.9°F
(3.3°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 2003 1912
81st Warmest Warmest since: 2008 2012
Ties: 1901, 1924, 1986
Sep 2008–Apr 2009
8-Month
41.1°F
(5.1°C)
41.4°F
(5.2°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 2001 1904, 1978
81st Warmest Warmest since: 2008 2017
Ties: 1906
Aug 2008–Apr 2009
9-Month
44.5°F
(6.9°C)
45.0°F
(7.2°C)
-0.5°F
(-0.3°C)
42nd Coolest Coolest since: 2001 1978
84th Warmest Warmest since: 2008 2017
Ties: 1929, 1971
Jul 2008–Apr 2009
10-Month
47.5°F
(8.6°C)
48.2°F
(9.0°C)
-0.7°F
(-0.4°C)
40th Coolest Coolest since: 2001 1904
86th Warmest Warmest since: 2008 2012
Ties: 1943
Jun 2008–Apr 2009
11-Month
49.7°F
(9.8°C)
50.2°F
(10.1°C)
-0.5°F
(-0.3°C)
41st Coolest Coolest since: 2001 1904
85th Warmest Warmest since: 2008 2017
Ties: 1930, 1940, 1943, 1971
May 2008–Apr 2009
12-Month
50.5°F
(10.3°C)
51.3°F
(10.7°C)
-0.8°F
(-0.4°C)
29th Coolest Coolest since: 2001 1918
97th Warmest Warmest since: 2008 2017
Ties: 1911, 1929, 1930, 1958
Nov 2007–Apr 2009
18-Month
45.2°F
(7.3°C)
45.9°F
(7.7°C)
-0.7°F
(-0.4°C)
30th Coolest Coolest since: 1997 1979
95th Warmest Warmest since: 2008 2017
Ties: 1917, 1930, 1944, 1968, 1969
May 2007–Apr 2009
24-Month
51.4°F
(10.8°C)
51.3°F
(10.7°C)
0.1°F
(0.1°C)
70th Coolest Coolest since: 1998 1905
55th Warmest Warmest since: 2008 2017
Ties: 1897, 1898, 1910, 1964, 1965, 1967, 2019
May 2006–Apr 2009
36-Month
51.6°F
(10.9°C)
51.2°F
(10.7°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1998 1979
48th Warmest Warmest since: 2008 2018
Ties: 1974, 1993
May 2005–Apr 2009
48-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
99th Coolest Coolest since: 2004 1980
24th Warmest Warmest since: 2008 1935
Ties: 1923, 1932, 2003
May 2004–Apr 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, 1979
16th Warmest Warmest since: 2008 1935
Ties: 1936, 1958, 2004

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published November 2020, retrieved on December 4, 2020 from https://www.ncdc.noaa.gov/cag/