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 1946

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1946
1-Month
59.0°F
(15.0°C)
55.3°F
(12.9°C)
3.7°F
(2.1°C)
110th Coolest
Coolest since:
1907
19th Warmest
Warmest since:
1896
Ties: 1930, 2012
Mar–Apr 1946
2-Month
57.3°F
(14.1°C)
50.0°F
(10.0°C)
7.3°F
(4.1°C)
127th Coolest
Coolest since:
1926, 1960
2nd Warmest
Warmest to Date
2012
Feb–Apr 1946
3-Month
51.5°F
(10.8°C)
45.0°F
(7.2°C)
6.5°F
(3.6°C)
127th Coolest
Coolest since:
1899
2nd Warmest
Warmest to Date
2012
Ties: 2017
Jan–Apr 1946
4-Month
47.0°F
(8.3°C)
41.5°F
(5.3°C)
5.5°F
(3.0°C)
126th Coolest
Coolest since:
1978
3rd Warmest
Warmest to Date
2012
Dec 1945–Apr 1946
5-Month
43.2°F
(6.2°C)
40.1°F
(4.5°C)
3.1°F
(1.7°C)
116th Coolest
Coolest since:
1978
12th Warmest
Warmest since:
2012
Ties: 1954
Nov 1945–Apr 1946
6-Month
43.6°F
(6.4°C)
40.9°F
(4.9°C)
2.7°F
(1.5°C)
115th Coolest
Coolest since:
1912
13th Warmest
Warmest since:
2012
Ties: 1954
Oct 1945–Apr 1946
7-Month
45.3°F
(7.4°C)
43.2°F
(6.2°C)
2.1°F
(1.2°C)
106th Coolest
Coolest since:
1899, 1978
22nd Warmest
Warmest since:
2012
Ties: 1935
Sep 1945–Apr 1946
8-Month
48.4°F
(9.1°C)
46.5°F
(8.1°C)
1.9°F
(1.0°C)
109th Coolest
Coolest since:
1918
19th Warmest
Warmest since:
2017
Ties: 1939
Aug 1945–Apr 1946
9-Month
51.5°F
(10.8°C)
49.8°F
(9.9°C)
1.7°F
(0.9°C)
108th Coolest
Coolest since:
1918
20th Warmest
Warmest since:
2017
Ties: 1991, 2005, 2008
Jul 1945–Apr 1946
10-Month
53.9°F
(12.2°C)
52.6°F
(11.4°C)
1.3°F
(0.8°C)
105th Coolest
Coolest since:
1918
23rd Warmest
Warmest since:
2012
Ties: 1972, 2005, 2008
Jun 1945–Apr 1946
11-Month
55.4°F
(13.0°C)
54.5°F
(12.5°C)
0.9°F
(0.5°C)
90th Coolest
Coolest since:
1918
38th Warmest
Warmest since:
2012, 2017
Ties: 1898, 1923, 1987, 2004, 2013
May 1945–Apr 1946
12-Month
55.8°F
(13.2°C)
55.3°F
(12.9°C)
0.5°F
(0.3°C)
77th Coolest
Coolest since:
1918
51st Warmest
Warmest since:
2012, 2017
Ties: 1901, 1903, 1933, 1986
Nov 1944–Apr 1946
18-Month
51.0°F
(10.6°C)
50.5°F
(10.3°C)
0.5°F
(0.3°C)
82nd Coolest
Coolest since:
1979
45th Warmest
Warmest since:
2017
Ties: 1898, 1910, 1914, 1945, 1957
May 1944–Apr 1946
24-Month
56.0°F
(13.3°C)
55.3°F
(12.9°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1978
38th Warmest
Warmest since:
2017
Ties: 1957, 2011
May 1943–Apr 1946
36-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
79th Coolest
Coolest since:
1979
47th Warmest
Warmest since:
2018
Ties: 1915, 1987, 1990, 2010, 2011
May 1942–Apr 1946
48-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1980
53rd Warmest
Warmest since:
2019
Ties: 1943, 1948, 1976, 1994, 1999
May 1941–Apr 1946
60-Month
56.0°F
(13.3°C)
55.3°F
(12.9°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1980, 1981
40th Warmest
Warmest since:
2020
Ties: 1933, 1943, 1945

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