Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 1971

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 1971
1-Month		55.1°F
(12.8°C)		55.3°F
(12.9°C)		-0.2°F
(-0.1°C)		54th Coolest
Coolest since:
1907
76th Warmest
Warmest since:
1896
Ties: 1899, 1900
Mar–Apr 1971
2-Month		48.5°F
(9.2°C)		50.0°F
(10.0°C)		-1.5°F
(-0.8°C)		38th Coolest
Coolest since:
1960
92nd Warmest
Warmest since:
2012
Feb–Apr 1971
3-Month		43.7°F
(6.5°C)		44.9°F
(7.2°C)		-1.2°F
(-0.7°C)		43rd Coolest
Coolest since:
1899
87th Warmest
Warmest since:
2012
Ties: 1928, 1968
Jan–Apr 1971
4-Month		39.9°F
(4.4°C)		41.5°F
(5.3°C)		-1.6°F
(-0.9°C)		27th Coolest
Coolest since:
1978
103rd Warmest
Warmest since:
2012
Ties: 1963, 1969
Dec 1970–Apr 1971
5-Month		39.6°F
(4.2°C)		40.1°F
(4.5°C)		-0.5°F
(-0.3°C)		44th Coolest
Coolest since:
1978
85th Warmest
Warmest since:
2012
Ties: 1956, 2015
Nov 1970–Apr 1971
6-Month		40.2°F
(4.6°C)		40.9°F
(4.9°C)		-0.7°F
(-0.3°C)		38th Coolest
Coolest since:
1912
91st Warmest
Warmest since:
2012
Oct 1970–Apr 1971
7-Month		42.6°F
(5.9°C)		43.2°F
(6.2°C)		-0.6°F
(-0.3°C)		35th Coolest
Coolest since:
1899, 1978
94th Warmest
Warmest since:
2012
Ties: 1944, 1965, 1994
Sep 1970–Apr 1971
8-Month		46.3°F
(7.9°C)		46.5°F
(8.1°C)		-0.2°F
(-0.2°C)		46th Coolest
Coolest since:
1918
83rd Warmest
Warmest since:
2017
Ties: 1930, 1937, 1952, 1961, 1988
Aug 1970–Apr 1971
9-Month		49.6°F
(9.8°C)		49.8°F
(9.9°C)		-0.2°F
(-0.1°C)		47th Coolest
Coolest since:
1918
82nd Warmest
Warmest since:
2017
Ties: 1900, 1943, 1952, 2010
Jul 1970–Apr 1971
10-Month		52.3°F
(11.3°C)		52.6°F
(11.4°C)		-0.3°F
(-0.1°C)		46th Coolest
Coolest since:
1918
83rd Warmest
Warmest since:
2012
Ties: 1900, 1929, 1952, 1961
Jun 1970–Apr 1971
11-Month		54.1°F
(12.3°C)		54.5°F
(12.5°C)		-0.4°F
(-0.2°C)		41st Coolest
Coolest since:
1918
88th Warmest
Warmest since:
2012, 2017
Ties: 1897, 1924, 1952, 1994
May 1970–Apr 1971
12-Month		55.2°F
(12.9°C)		55.4°F
(13.0°C)		-0.2°F
(-0.1°C)		48th Coolest
Coolest since:
1918
81st Warmest
Warmest since:
2012, 2017
Nov 1969–Apr 1971
18-Month		49.5°F
(9.7°C)		50.5°F
(10.3°C)		-1.0°F
(-0.6°C)		17th Coolest
Coolest since:
1905, 1979
111th Warmest
Warmest since:
2017
Ties: 1902, 1912, 1977, 1997
May 1969–Apr 1971
24-Month		54.5°F
(12.5°C)		55.4°F
(13.0°C)		-0.9°F
(-0.5°C)		20th Coolest
Coolest since:
1978
108th Warmest
Warmest since:
2017
Ties: 1899, 1959, 1983
May 1968–Apr 1971
36-Month		54.4°F
(12.4°C)		55.4°F
(13.0°C)		-1.0°F
(-0.6°C)		10th Coolest
Coolest since:
1979
117th Warmest
Warmest since:
2018
Ties: 1913, 1969
May 1967–Apr 1971
48-Month		54.1°F
(12.3°C)		55.3°F
(12.9°C)		-1.2°F
(-0.6°C)		4th Coolest
Coolest since:
1980
122nd Warmest
Warmest since:
2019
Ties: 1906, 1907
May 1966–Apr 1971
60-Month		54.4°F
(12.4°C)		55.3°F
(12.9°C)		-0.9°F
(-0.5°C)		7th Coolest
Coolest since:
1980, 1981
118th Warmest
Warmest since:
2020
Ties: 1905, 1907

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