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 6. West Southwest

Average Temperature Rankings, April 1977

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 1977
1-Month
59.2°F
(15.1°C)
53.0°F
(11.7°C)
6.2°F
(3.4°C)
121st Coolest Coolest since: 1976 1907
6th Warmest Warmest since: 1955 1896
Mar–Apr 1977
2-Month
53.3°F
(11.8°C)
47.3°F
(8.5°C)
6.0°F
(3.3°C)
124th Coolest Coolest since: 1976 1926
3rd Warmest Warmest since: 1946 2012
Feb–Apr 1977
3-Month
45.8°F
(7.7°C)
42.0°F
(5.6°C)
3.8°F
(2.1°C)
113th Coolest Coolest since: 1975 1899, 1978
14th Warmest Warmest since: 1976 2012
Jan–Apr 1977
4-Month
37.2°F
(2.9°C)
38.2°F
(3.4°C)
-1.0°F
(-0.5°C)
38th Coolest Coolest since: 1971 1912
89th Warmest Warmest since: 1976 2012
Ties: 1914, 1916, 1917, 1929, 1988
Dec 1976–Apr 1977
5-Month
35.0°F
(1.7°C)
36.8°F
(2.7°C)
-1.8°F
(-1.0°C)
20th Coolest Coolest since: 1970 1978
106th Warmest Warmest since: 1976 2012
Ties: 1963
Nov 1976–Apr 1977
6-Month
35.0°F
(1.7°C)
37.7°F
(3.2°C)
-2.7°F
(-1.5°C)
13th Coolest Coolest since: 1951 1904, 1912
113th Warmest Warmest since: 1976 2012
Ties: 1940
Oct 1976–Apr 1977
7-Month
37.1°F
(2.8°C)
40.4°F
(4.7°C)
-3.3°F
(-1.9°C)
9th Coolest Coolest since: 1936 1912
117th Warmest Warmest since: 1976 2012
Sep 1976–Apr 1977
8-Month
40.6°F
(4.8°C)
43.7°F
(6.5°C)
-3.1°F
(-1.7°C)
7th Coolest Coolest since: 1936 1904
119th Warmest Warmest since: 1976 2017
Aug 1976–Apr 1977
9-Month
44.1°F
(6.7°C)
47.2°F
(8.4°C)
-3.1°F
(-1.7°C)
5th Coolest Coolest since: 1918 1918
121st Warmest Warmest since: 1976 2017
Ties: 1899
Jul 1976–Apr 1977
10-Month
47.4°F
(8.6°C)
50.1°F
(10.1°C)
-2.7°F
(-1.5°C)
6th Coolest Coolest since: 1918 1918
120th Warmest Warmest since: 1976 2012
Jun 1976–Apr 1977
11-Month
49.6°F
(9.8°C)
52.2°F
(11.2°C)
-2.6°F
(-1.4°C)
4th Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1976 2017
May 1976–Apr 1977
12-Month
50.5°F
(10.3°C)
53.2°F
(11.8°C)
-2.7°F
(-1.5°C)
4th Coolest Coolest since: 1936 1918
122nd Warmest Warmest since: 1976 2017
Nov 1975–Apr 1977
18-Month
47.5°F
(8.6°C)
48.0°F
(8.9°C)
-0.5°F
(-0.3°C)
33rd Coolest Coolest since: 1971 1905
92nd Warmest Warmest since: 1976 2017
Ties: 1968, 1983, 1985
May 1975–Apr 1977
24-Month
52.8°F
(11.6°C)
53.2°F
(11.8°C)
-0.4°F
(-0.2°C)
38th Coolest Coolest since: 1971 1905
87th Warmest Warmest since: 1976 2017
Ties: 1908, 1960
May 1974–Apr 1977
36-Month
52.5°F
(11.4°C)
53.1°F
(11.7°C)
-0.6°F
(-0.3°C)
19th Coolest Coolest since: 1971 1979
105th Warmest Warmest since: 1976 2018
Ties: 1899, 1900, 1901, 1927, 1928, 1952, 1984
May 1973–Apr 1977
48-Month
53.0°F
(11.7°C)
53.1°F
(11.7°C)
-0.1°F
(0.0°C)
46th Coolest Coolest since: 1973 1980
77th Warmest Warmest since: 1976 2019
Ties: 1903, 1910, 1951, 1953, 1983
May 1972–Apr 1977
60-Month
53.0°F
(11.7°C)
53.1°F
(11.7°C)
-0.1°F
(0.0°C)
48th Coolest Coolest since: 1973 1906
74th Warmest Warmest since: 1976 2020
Ties: 1922, 1953, 1968, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published February 2021, retrieved on March 2, 2021 from https://www.ncdc.noaa.gov/cag/