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 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, May 2010

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 2010
1-Month
62.0°F
(16.7°C)
59.7°F
(15.4°C)
2.3°F
(1.3°C)
92nd Coolest Coolest since: 2009 1907
34th Warmest Warmest since: 2007 1977
Ties: 2013
Apr–May 2010
2-Month
59.2°F
(15.1°C)
54.1°F
(12.3°C)
5.1°F
(2.8°C)
123rd Coolest Coolest since: 2009 1907
3rd Warmest Warmest since: 1991 1977
Ties: 1991
Mar–May 2010
3-Month
53.2°F
(11.8°C)
47.8°F
(8.8°C)
5.4°F
(3.0°C)
123rd Coolest Coolest since: 2009 1960
3rd Warmest Warmest since: 1977 2012
Feb–May 2010
4-Month
45.7°F
(7.6°C)
41.9°F
(5.5°C)
3.8°F
(2.1°C)
115th Coolest Coolest since: 2009 1947
11th Warmest Warmest since: 2000 2012
Ties: 1999
Jan–May 2010
5-Month
40.0°F
(4.4°C)
37.5°F
(3.1°C)
2.5°F
(1.3°C)
105th Coolest Coolest since: 2009 1912
21st Warmest Warmest since: 2006 2012
Dec 2009–May 2010
6-Month
37.4°F
(3.0°C)
35.4°F
(1.9°C)
2.0°F
(1.1°C)
101st Coolest Coolest since: 2009 1979
24th Warmest Warmest since: 2007 2012
Ties: 1931, 1946, 1954
Nov 2009–May 2010
7-Month
38.4°F
(3.6°C)
35.7°F
(2.1°C)
2.7°F
(1.5°C)
108th Coolest Coolest since: 2009 1904
17th Warmest Warmest since: 2007 2012
Oct 2009–May 2010
8-Month
39.5°F
(4.2°C)
37.7°F
(3.2°C)
1.8°F
(1.0°C)
101st Coolest Coolest since: 2009 1912
24th Warmest Warmest since: 2007 2012
Sep 2009–May 2010
9-Month
42.2°F
(5.7°C)
40.6°F
(4.8°C)
1.6°F
(0.9°C)
102nd Coolest Coolest since: 2009 1904
23rd Warmest Warmest since: 2007 2012
Ties: 1995
Aug 2009–May 2010
10-Month
44.8°F
(7.1°C)
43.6°F
(6.4°C)
1.2°F
(0.7°C)
95th Coolest Coolest since: 2009 1904
30th Warmest Warmest since: 2007 2012
Ties: 1922, 1948, 1985
Jul 2009–May 2010
11-Month
46.9°F
(8.3°C)
46.4°F
(8.0°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 2009 1904
45th Warmest Warmest since: 2007 2012
Ties: 1911, 1935, 1957, 1990
Jun 2009–May 2010
12-Month
48.8°F
(9.3°C)
48.3°F
(9.1°C)
0.5°F
(0.2°C)
78th Coolest Coolest since: 2009 1904
47th Warmest Warmest since: 2007 2012
Ties: 1898, 1945, 2018
Dec 2008–May 2010
18-Month
44.1°F
(6.7°C)
44.0°F
(6.7°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 2009 1918
57th Warmest Warmest since: 2008 2017
Ties: 1941, 1964, 1969
Jun 2008–May 2010
24-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 2009 1905
57th Warmest Warmest since: 2009 2017
Ties: 1975, 1986, 2009
Jun 2007–May 2010
36-Month
48.5°F
(9.2°C)
48.2°F
(9.0°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1998 1905, 1918, 1979
49th Warmest Warmest since: 2009 2000
Ties: 1936, 1946
Jun 2006–May 2010
48-Month
48.8°F
(9.3°C)
48.2°F
(9.0°C)
0.6°F
(0.3°C)
84th Coolest Coolest since: 1998 1980
38th Warmest Warmest since: 2009 2001, 2002, 2007
Ties: 1944, 2015
Jun 2005–May 2010
60-Month
49.4°F
(9.7°C)
48.2°F
(9.0°C)
1.2°F
(0.7°C)
105th Coolest Coolest since: 2000 1907, 1908
16th Warmest Warmest since: 2009 2002
Ties: 1942, 1992, 2000, 2016

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/