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 April 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, September 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 2017
1-Month
69.7°F
(20.9°C)
67.4°F
(19.7°C)
2.3°F
(1.2°C)
93rd Coolest Coolest since: 2014 1918
34th Warmest Warmest since: 2016 1925
Aug–Sep 2017
2-Month
70.6°F
(21.4°C)
70.9°F
(21.6°C)
-0.3°F
(-0.2°C)
56th Coolest Coolest since: 2014 1967
71st Warmest Warmest since: 2016 1936
Ties: 1943, 1945, 1964, 1986, 2000, 2001, 2008
Jul–Sep 2017
3-Month
72.7°F
(22.6°C)
72.6°F
(22.6°C)
0.1°F
(0.0°C)
68th Coolest Coolest since: 2015 1967
59th Warmest Warmest since: 2016 1936
Ties: 1895, 1899, 1940
Jun–Sep 2017
4-Month
72.8°F
(22.7°C)
72.6°F
(22.6°C)
0.2°F
(0.1°C)
73rd Coolest Coolest since: 2015 1967
54th Warmest Warmest since: 2016 1936
Ties: 1906, 1940, 1948, 1964, 1970, 1971
May–Sep 2017
5-Month
71.0°F
(21.7°C)
70.8°F
(21.6°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 2014 1924
56th Warmest Warmest since: 2016 1936
Ties: 1896, 1949
Apr–Sep 2017
6-Month
68.8°F
(20.4°C)
67.7°F
(19.8°C)
1.1°F
(0.6°C)
90th Coolest Coolest since: 2015 1907
37th Warmest Warmest since: 2016 2010
Ties: 2001
Mar–Sep 2017
7-Month
65.4°F
(18.6°C)
64.0°F
(17.8°C)
1.4°F
(0.8°C)
105th Coolest Coolest since: 2015 1924
22nd Warmest Warmest since: 2016 2012
Ties: 1934, 1953, 2002, 2018
Feb–Sep 2017
8-Month
62.6°F
(17.0°C)
59.9°F
(15.5°C)
2.7°F
(1.5°C)
121st Coolest Coolest since: 2016 1904, 1924
6th Warmest Warmest since: 2016 2012
Ties: 1987, 2016
Jan–Sep 2017
9-Month
59.5°F
(15.3°C)
56.4°F
(13.6°C)
3.1°F
(1.7°C)
123rd Coolest Coolest since: 2016 1979
4th Warmest Warmest since: 2012 2012
Dec 2016–Sep 2017
10-Month
56.6°F
(13.7°C)
53.9°F
(12.2°C)
2.7°F
(1.5°C)
120th Coolest Coolest since: 2015 1904
6th Warmest Warmest since: 2016 2012
Ties: 2002
Nov 2016–Sep 2017
11-Month
55.8°F
(13.2°C)
52.8°F
(11.6°C)
3.0°F
(1.6°C)
121st Coolest Coolest since: 2015 1904
5th Warmest Warmest since: 2016 2012
Ties: 1991
Oct 2016–Sep 2017
12-Month
56.3°F
(13.5°C)
53.1°F
(11.7°C)
3.2°F
(1.8°C)
122nd Coolest Coolest since: 2015 1904
4th Warmest Warmest since: 2016 2012
Apr 2016–Sep 2017
18-Month
60.6°F
(15.9°C)
57.9°F
(14.4°C)
2.7°F
(1.5°C)
124th Coolest Coolest since: 2016 1918
2nd Warmest Warmest since: 2012 2012
Oct 2015–Sep 2017
24-Month
56.3°F
(13.5°C)
53.0°F
(11.7°C)
3.3°F
(1.8°C)
124th Coolest Coolest since: 2016 1979
1st Warmest Warmest to Date 2017
Oct 2014–Sep 2017
36-Month
55.0°F
(12.8°C)
53.1°F
(11.7°C)
1.9°F
(1.1°C)
119th Coolest Coolest since: 2016 1979
5th Warmest Warmest since: 2012 2018
Ties: 1955
Oct 2013–Sep 2017
48-Month
53.9°F
(12.2°C)
53.0°F
(11.7°C)
0.9°F
(0.5°C)
98th Coolest Coolest since: 2016 1980
25th Warmest Warmest since: 2013 2019
Ties: 1936, 1944, 1954, 1989, 1991, 1992, 1993
Oct 2012–Sep 2017
60-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
92nd Coolest Coolest since: 2015 1982
30th Warmest Warmest since: 2016 2020
Ties: 1942, 1989, 1990, 1995, 1999, 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published May 2021, retrieved on May 9, 2021 from https://www.ncdc.noaa.gov/cag/