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 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 6. West Southwest

Average Temperature Rankings, April 1978

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1978
1-Month
54.5°F
(12.5°C)
53.0°F
(11.7°C)
1.5°F
(0.8°C)
83rd Coolest Coolest since: 1975 1907
43rd Warmest Warmest since: 1977 1896
Mar–Apr 1978
2-Month
44.6°F
(7.0°C)
47.3°F
(8.5°C)
-2.7°F
(-1.5°C)
19th Coolest Coolest since: 1975 1926
107th Warmest Warmest since: 1977 2012
Ties: 1962, 1980
Feb–Apr 1978
3-Month
35.8°F
(2.1°C)
41.9°F
(5.5°C)
-6.1°F
(-3.4°C)
1st Coolest Coolest since: 1899 1899, 1978
125th Warmest Warmest since: 1977 2012
Ties: 1899
Jan–Apr 1978
4-Month
31.2°F
(-0.4°C)
38.3°F
(3.5°C)
-7.1°F
(-3.9°C)
2nd Coolest Coolest since: 1912 1912
124th Warmest Warmest since: 1977 2012
Dec 1977–Apr 1978
5-Month
30.6°F
(-0.8°C)
36.9°F
(2.7°C)
-6.3°F
(-3.5°C)
1st Coolest Coolest to Date 1978
124th Warmest Warmest since: 1977 2012
Nov 1977–Apr 1978
6-Month
32.7°F
(0.4°C)
37.8°F
(3.2°C)
-5.1°F
(-2.8°C)
3rd Coolest Coolest since: 1912 1904, 1912
122nd Warmest Warmest since: 1977 2012
Oct 1977–Apr 1978
7-Month
35.7°F
(2.1°C)
40.4°F
(4.7°C)
-4.7°F
(-2.6°C)
2nd Coolest Coolest since: 1912 1912
123rd Warmest Warmest since: 1977 2012
Ties: 1904
Sep 1977–Apr 1978
8-Month
39.8°F
(4.3°C)
43.7°F
(6.5°C)
-3.9°F
(-2.2°C)
3rd Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1977 2017
Aug 1977–Apr 1978
9-Month
43.6°F
(6.4°C)
47.2°F
(8.4°C)
-3.6°F
(-2.0°C)
3rd Coolest Coolest since: 1918 1918
122nd Warmest Warmest since: 1977 2017
Jul 1977–Apr 1978
10-Month
47.1°F
(8.4°C)
50.2°F
(10.1°C)
-3.1°F
(-1.7°C)
4th Coolest Coolest since: 1918 1918
121st Warmest Warmest since: 1977 2012
Jun 1977–Apr 1978
11-Month
49.4°F
(9.7°C)
52.2°F
(11.2°C)
-2.8°F
(-1.5°C)
3rd Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1977 2017
May 1977–Apr 1978
12-Month
51.0°F
(10.6°C)
53.1°F
(11.7°C)
-2.1°F
(-1.1°C)
6th Coolest Coolest since: 1977 1918
119th Warmest Warmest since: 1976 2017
Ties: 1905, 1979, 1982
Nov 1976–Apr 1978
18-Month
45.7°F
(7.6°C)
48.0°F
(8.9°C)
-2.3°F
(-1.3°C)
4th Coolest Coolest since: 1918 1905
120th Warmest Warmest since: 1977 2017
May 1976–Apr 1978
24-Month
50.8°F
(10.4°C)
53.2°F
(11.8°C)
-2.4°F
(-1.4°C)
2nd Coolest Coolest since: 1905 1905
122nd Warmest Warmest since: 1977 2017
May 1975–Apr 1978
36-Month
52.2°F
(11.2°C)
53.1°F
(11.7°C)
-0.9°F
(-0.5°C)
11th Coolest Coolest since: 1971 1979
112th Warmest Warmest since: 1977 2018
Ties: 1919, 1969, 1971
May 1974–Apr 1978
48-Month
52.1°F
(11.2°C)
53.0°F
(11.7°C)
-0.9°F
(-0.5°C)
9th Coolest Coolest since: 1971 1980
113th Warmest Warmest since: 1977 2019
Ties: 1919, 1920
May 1973–Apr 1978
60-Month
52.6°F
(11.4°C)
53.1°F
(11.7°C)
-0.5°F
(-0.3°C)
23rd Coolest Coolest since: 1972 1906
98th Warmest Warmest since: 1977 1935
Ties: 1928, 1962, 1963, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published November 2019, retrieved on November 17, 2019 from https://www.ncdc.noaa.gov/cag/