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 8. Southwest

Average Temperature Rankings, April 1966

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
April 1966
1-Month
53.1°F
(11.7°C)
55.3°F
(12.9°C)
-2.2°F
(-1.2°C)
25th Coolest Coolest since: 1962 1907
103rd Warmest Warmest since: 1965 1896
Mar–Apr 1966
2-Month
49.6°F
(9.8°C)
49.9°F
(9.9°C)
-0.3°F
(-0.1°C)
56th Coolest Coolest since: 1965 1926, 1960
72nd Warmest Warmest since: 1964 2012
Ties: 1897, 1911, 2019
Feb–Apr 1966
3-Month
44.1°F
(6.7°C)
44.9°F
(7.2°C)
-0.8°F
(-0.5°C)
49th Coolest Coolest since: 1965 1899
79th Warmest Warmest since: 1964 2012
Ties: 1933, 2018
Jan–Apr 1966
4-Month
39.7°F
(4.3°C)
41.5°F
(5.3°C)
-1.8°F
(-1.0°C)
24th Coolest Coolest since: 1962 1978
104th Warmest Warmest since: 1965 2012
Ties: 1993
Dec 1965–Apr 1966
5-Month
40.1°F
(4.5°C)
40.1°F
(4.5°C)
0.0°F
(0.0°C)
59th Coolest Coolest since: 1965 1978
68th Warmest Warmest since: 1957 2012
Ties: 1944, 2008
Nov 1965–Apr 1966
6-Month
41.6°F
(5.3°C)
40.8°F
(4.9°C)
0.8°F
(0.4°C)
77th Coolest Coolest since: 1965 1912
50th Warmest Warmest since: 1957 2012
Ties: 1896, 1931
Oct 1965–Apr 1966
7-Month
43.7°F
(6.5°C)
43.3°F
(6.3°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1965 1899, 1978
51st Warmest Warmest since: 1964 2012
Ties: 1945, 2011, 2013
Sep 1965–Apr 1966
8-Month
46.8°F
(8.2°C)
46.5°F
(8.1°C)
0.3°F
(0.1°C)
69th Coolest Coolest since: 1965 1918
58th Warmest Warmest since: 1964 2017
Ties: 1901, 1914, 2009
Aug 1965–Apr 1966
9-Month
49.9°F
(9.9°C)
49.7°F
(9.8°C)
0.2°F
(0.1°C)
61st Coolest Coolest since: 1965 1918
66th Warmest Warmest since: 1964 2017
Ties: 1896, 1908, 2009
Jul 1965–Apr 1966
10-Month
52.5°F
(11.4°C)
52.6°F
(11.4°C)
-0.1°F
(0.0°C)
53rd Coolest Coolest since: 1965 1918
74th Warmest Warmest since: 1964 2012
Ties: 1943
Jun 1965–Apr 1966
11-Month
54.5°F
(12.5°C)
54.5°F
(12.5°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1965 1918
70th Warmest Warmest since: 1964 2012, 2017
Ties: 1896, 1903
May 1965–Apr 1966
12-Month
55.7°F
(13.2°C)
55.3°F
(12.9°C)
0.4°F
(0.3°C)
72nd Coolest Coolest since: 1965 1918
55th Warmest Warmest since: 1957 2012, 2017
Ties: 1998
Nov 1964–Apr 1966
18-Month
50.7°F
(10.4°C)
50.5°F
(10.3°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1965 1979
60th Warmest Warmest since: 1957 2017
Ties: 1920, 1996
May 1964–Apr 1966
24-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
60th Coolest Coolest since: 1965 1978
66th Warmest Warmest since: 1957 2017
Ties: 1931, 1936, 1975, 1995
May 1963–Apr 1966
36-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
59th Coolest Coolest since: 1965 1979
66th Warmest Warmest since: 1957 2018
Ties: 1898, 1909, 1938, 1948, 1967, 1994
May 1962–Apr 1966
48-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1965 1980
68th Warmest Warmest since: 1958 2019
May 1961–Apr 1966
60-Month
55.1°F
(12.8°C)
55.3°F
(12.9°C)
-0.2°F
(-0.1°C)
39th Coolest Coolest since: 1965 1980, 1981
84th Warmest Warmest since: 1960 2020
Ties: 1901, 1915, 1928, 1951, 1952, 1960, 1968

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published May 2021, retrieved on May 13, 2021 from https://www.ncdc.noaa.gov/cag/