Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 1941

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1941
1-Month
59.1°F
(15.1°C)
55.3°F
(12.9°C)
3.8°F
(2.2°C)
114th Coolest
Coolest since:
1907
15th Warmest
Warmest since:
1896
Ties: 1985, 1986, 2011
Mar–Apr 1941
2-Month
49.2°F
(9.6°C)
49.9°F
(9.9°C)
-0.7°F
(-0.3°C)
50th Coolest
Coolest since:
1926, 1960
79th Warmest
Warmest since:
2012
Ties: 1898, 1956, 2008
Feb–Apr 1941
3-Month
43.3°F
(6.3°C)
44.9°F
(7.2°C)
-1.6°F
(-0.9°C)
35th Coolest
Coolest since:
1899
94th Warmest
Warmest since:
2012
Ties: 1940, 2013
Jan–Apr 1941
4-Month
41.0°F
(5.0°C)
41.4°F
(5.2°C)
-0.4°F
(-0.2°C)
51st Coolest
Coolest since:
1978
78th Warmest
Warmest since:
2012
Ties: 1897, 1934
Dec 1940–Apr 1941
5-Month
40.7°F
(4.8°C)
40.0°F
(4.4°C)
0.7°F
(0.4°C)
70th Coolest
Coolest since:
1978
58th Warmest
Warmest since:
2012
Ties: 1934
Nov 1940–Apr 1941
6-Month
41.1°F
(5.1°C)
40.9°F
(4.9°C)
0.2°F
(0.2°C)
64th Coolest
Coolest since:
1912
64th Warmest
Warmest since:
2012
Ties: 1933, 2011
Oct 1940–Apr 1941
7-Month
44.1°F
(6.7°C)
43.2°F
(6.2°C)
0.9°F
(0.5°C)
88th Coolest
Coolest since:
1899, 1978
40th Warmest
Warmest since:
2012
Ties: 1898, 1909, 1922
Sep 1940–Apr 1941
8-Month
47.2°F
(8.4°C)
46.5°F
(8.1°C)
0.7°F
(0.3°C)
85th Coolest
Coolest since:
1918
43rd Warmest
Warmest since:
2017
Ties: 1953, 1967, 1990
Aug 1940–Apr 1941
9-Month
50.4°F
(10.2°C)
49.7°F
(9.8°C)
0.7°F
(0.4°C)
82nd Coolest
Coolest since:
1918
46th Warmest
Warmest since:
2017
Ties: 1907, 1927, 1937, 1953, 1990, 2021
Jul 1940–Apr 1941
10-Month
53.1°F
(11.7°C)
52.6°F
(11.4°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1918
53rd Warmest
Warmest since:
2012
Jun 1940–Apr 1941
11-Month
55.0°F
(12.8°C)
54.5°F
(12.5°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1918
51st Warmest
Warmest since:
2012, 2017
Ties: 1927, 1948, 1967, 2003
May 1940–Apr 1941
12-Month
55.6°F
(13.1°C)
55.4°F
(13.0°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1918
58th Warmest
Warmest since:
2012, 2017
Ties: 1907, 1948, 1967, 1983, 2003, 2018
Nov 1939–Apr 1941
18-Month
49.6°F
(9.8°C)
50.5°F
(10.3°C)
-0.9°F
(-0.5°C)
22nd Coolest
Coolest since:
1979
105th Warmest
Warmest since:
2017
Ties: 1903, 1951, 1959, 1985
May 1939–Apr 1941
24-Month
55.1°F
(12.8°C)
55.4°F
(13.0°C)
-0.3°F
(-0.2°C)
36th Coolest
Coolest since:
1978
91st Warmest
Warmest since:
2017
Ties: 1902, 1903, 1925, 1984
May 1938–Apr 1941
36-Month
55.7°F
(13.2°C)
55.3°F
(12.9°C)
0.4°F
(0.3°C)
73rd Coolest
Coolest since:
1979
53rd Warmest
Warmest since:
2018
Ties: 1916, 1947, 1950
May 1937–Apr 1941
48-Month
55.9°F
(13.3°C)
55.3°F
(12.9°C)
0.6°F
(0.4°C)
84th Coolest
Coolest since:
1980
41st Warmest
Warmest since:
2019
Ties: 1925, 1936, 1944, 1988, 2010, 2016
May 1936–Apr 1941
60-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
92nd Coolest
Coolest since:
1980, 1981
32nd Warmest
Warmest since:
2020
Ties: 1925, 1937, 1955, 1991, 2000, 2005, 2011

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