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


Illinois, Climate Division 5. East

Average Temperature Rankings, September 1981

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1981
1-Month
63.6°F
(17.6°C)
65.1°F
(18.4°C)
-1.5°F
(-0.8°C)
31st Coolest Coolest since: 1976 1918
96th Warmest Warmest since: 1980 1925
Ties: 1937, 2003
Aug–Sep 1981
2-Month
67.1°F
(19.5°C)
68.6°F
(20.3°C)
-1.5°F
(-0.8°C)
27th Coolest Coolest since: 1976 1902, 1967
100th Warmest Warmest since: 1980 1936
Ties: 1997
Jul–Sep 1981
3-Month
69.2°F
(20.7°C)
70.5°F
(21.4°C)
-1.3°F
(-0.7°C)
25th Coolest Coolest since: 1976 1967
102nd Warmest Warmest since: 1980 1936
Ties: 1996
Jun–Sep 1981
4-Month
70.0°F
(21.1°C)
70.5°F
(21.4°C)
-0.5°F
(-0.3°C)
44th Coolest Coolest since: 1979 1915
83rd Warmest Warmest since: 1980 1936
Ties: 1966, 1994, 2000, 2001
May–Sep 1981
5-Month
67.4°F
(19.7°C)
68.6°F
(20.3°C)
-1.2°F
(-0.6°C)
25th Coolest Coolest since: 1976 1924
102nd Warmest Warmest since: 1980 1936
Ties: 1963, 1989
Apr–Sep 1981
6-Month
65.4°F
(18.6°C)
65.5°F
(18.6°C)
-0.1°F
(0.0°C)
52nd Coolest Coolest since: 1979 1907
75th Warmest Warmest since: 1980 1991
Ties: 1916, 1957, 1969, 2008
Mar–Sep 1981
7-Month
61.7°F
(16.5°C)
61.6°F
(16.4°C)
0.1°F
(0.1°C)
65th Coolest Coolest since: 1979 1924
62nd Warmest Warmest since: 1980 2012
Ties: 1963, 1968
Feb–Sep 1981
8-Month
57.6°F
(14.2°C)
57.3°F
(14.1°C)
0.3°F
(0.1°C)
70th Coolest Coolest since: 1980 1904
57th Warmest Warmest since: 1977 2012
Ties: 1908, 1945, 1956, 1970, 2009
Jan–Sep 1981
9-Month
53.7°F
(12.1°C)
53.6°F
(12.0°C)
0.1°F
(0.1°C)
68th Coolest Coolest since: 1980 1904
59th Warmest Warmest since: 1977 2012
Ties: 1935, 1948
Dec 1980–Sep 1981
10-Month
51.3°F
(10.7°C)
51.1°F
(10.6°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1980 1904
56th Warmest Warmest since: 1980 2012
Ties: 1980
Nov 1980–Sep 1981
11-Month
50.3°F
(10.2°C)
50.0°F
(10.0°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1980 1904
55th Warmest Warmest since: 1976 2012
Ties: 1908
Oct 1980–Sep 1981
12-Month
50.3°F
(10.2°C)
50.3°F
(10.2°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1979 1904
66th Warmest Warmest since: 1980 2012
Ties: 1900, 1908, 1950
Apr 1980–Sep 1981
18-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 1980 1904
49th Warmest Warmest since: 1976 2012
Ties: 1964, 1985
Oct 1979–Sep 1981
24-Month
50.4°F
(10.2°C)
50.3°F
(10.2°C)
0.1°F
(0.0°C)
66th Coolest Coolest since: 1980 1905
59th Warmest Warmest since: 1976 2017
Ties: 1941, 1965, 1975, 1983
Oct 1978–Sep 1981
36-Month
49.6°F
(9.8°C)
50.3°F
(10.2°C)
-0.7°F
(-0.4°C)
21st Coolest Coolest since: 1980 1904
103rd Warmest Warmest since: 1977 2018
Ties: 1899, 1913, 1969, 1982, 2015
Oct 1977–Sep 1981
48-Month
49.1°F
(9.5°C)
50.2°F
(10.1°C)
-1.1°F
(-0.6°C)
9th Coolest Coolest since: 1980 1905
114th Warmest Warmest since: 1979 2019
Ties: 1979
Oct 1976–Sep 1981
60-Month
49.1°F
(9.5°C)
50.3°F
(10.2°C)
-1.2°F
(-0.7°C)
7th Coolest Coolest since: 1908 1905, 1906
115th Warmest Warmest since: 1980 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on March 8, 2021 from https://www.ncdc.noaa.gov/cag/