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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 1979

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 1979
1-Month
53.6°F
(12.0°C)
55.3°F
(12.9°C)
-1.7°F
(-0.9°C)
29th Coolest Coolest since: 1973 1907
98th Warmest Warmest since: 1978 1896
Ties: 1911, 1917, 1956, 1973
Mar–Apr 1979
2-Month
49.0°F
(9.4°C)
50.0°F
(10.0°C)
-1.0°F
(-0.6°C)
45th Coolest Coolest since: 1978 1926, 1960
82nd Warmest Warmest since: 1977 2012
Ties: 1915, 1961, 1982
Feb–Apr 1979
3-Month
40.7°F
(4.8°C)
45.0°F
(7.2°C)
-4.3°F
(-2.4°C)
8th Coolest Coolest since: 1978 1899
119th Warmest Warmest since: 1977 2012
Jan–Apr 1979
4-Month
35.2°F
(1.8°C)
41.5°F
(5.3°C)
-6.3°F
(-3.5°C)
3rd Coolest Coolest since: 1978 1978
124th Warmest Warmest since: 1977 2012
Dec 1978–Apr 1979
5-Month
35.1°F
(1.7°C)
40.0°F
(4.4°C)
-4.9°F
(-2.7°C)
2nd Coolest Coolest since: 1978 1978
124th Warmest Warmest since: 1977 2012
Nov 1978–Apr 1979
6-Month
37.2°F
(2.9°C)
40.9°F
(4.9°C)
-3.7°F
(-2.0°C)
7th Coolest Coolest since: 1978 1912
119th Warmest Warmest since: 1977 2012
Ties: 1936
Oct 1978–Apr 1979
7-Month
39.7°F
(4.3°C)
43.3°F
(6.3°C)
-3.6°F
(-2.0°C)
6th Coolest Coolest since: 1978 1899, 1978
120th Warmest Warmest since: 1977 2012
Sep 1978–Apr 1979
8-Month
43.7°F
(6.5°C)
46.5°F
(8.1°C)
-2.8°F
(-1.6°C)
7th Coolest Coolest since: 1978 1918
119th Warmest Warmest since: 1976 2017
Ties: 1936
Aug 1978–Apr 1979
9-Month
47.2°F
(8.4°C)
49.7°F
(9.8°C)
-2.5°F
(-1.4°C)
7th Coolest Coolest since: 1978 1918
119th Warmest Warmest since: 1976 2017
Jul 1978–Apr 1979
10-Month
50.3°F
(10.2°C)
52.5°F
(11.4°C)
-2.2°F
(-1.2°C)
8th Coolest Coolest since: 1978 1918
118th Warmest Warmest since: 1976 2012
Ties: 1905, 1968
Jun 1978–Apr 1979
11-Month
52.5°F
(11.4°C)
54.5°F
(12.5°C)
-2.0°F
(-1.1°C)
11th Coolest Coolest since: 1978 1918
115th Warmest Warmest since: 1976 2012, 2017
May 1978–Apr 1979
12-Month
53.4°F
(11.9°C)
55.4°F
(13.0°C)
-2.0°F
(-1.1°C)
8th Coolest Coolest since: 1977 1918
118th Warmest Warmest since: 1978 2012, 2017
Ties: 1951
Nov 1977–Apr 1979
18-Month
47.6°F
(8.7°C)
50.5°F
(10.3°C)
-2.9°F
(-1.6°C)
1st Coolest Coolest to Date 1979
124th Warmest Warmest since: 1978 2017
May 1977–Apr 1979
24-Month
53.4°F
(11.9°C)
55.3°F
(12.9°C)
-1.9°F
(-1.0°C)
3rd Coolest Coolest since: 1978 1978
122nd Warmest Warmest since: 1977 2017
May 1976–Apr 1979
36-Month
53.0°F
(11.7°C)
55.3°F
(12.9°C)
-2.3°F
(-1.2°C)
1st Coolest Coolest to Date 1979
123rd Warmest Warmest since: 1978 2018
May 1975–Apr 1979
48-Month
54.0°F
(12.2°C)
55.3°F
(12.9°C)
-1.3°F
(-0.7°C)
2nd Coolest Coolest since: 1905 1980
121st Warmest Warmest since: 1978 2019
Ties: 1905
May 1974–Apr 1979
60-Month
54.1°F
(12.3°C)
55.4°F
(13.0°C)
-1.3°F
(-0.7°C)
3rd Coolest Coolest to Date 1980, 1981
119th Warmest Warmest since: 1978 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published August 2020, retrieved on August 13, 2020 from https://www.ncdc.noaa.gov/cag/