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 2012

View Period (Months):
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 2012
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, 1946
Mar–Apr 2012
2-Month
59.2°F
(15.1°C)
50.0°F
(10.0°C)
9.2°F
(5.1°C)
128th Coolest
Coolest since:
1926, 1960
1st Warmest
Warmest to Date
2012
Feb–Apr 2012
3-Month
53.1°F
(11.7°C)
44.9°F
(7.2°C)
8.2°F
(4.5°C)
128th Coolest
Coolest since:
1899
1st Warmest
Warmest to Date
2012
Jan–Apr 2012
4-Month
49.1°F
(9.5°C)
41.4°F
(5.2°C)
7.7°F
(4.3°C)
128th Coolest
Coolest since:
1978
1st Warmest
Warmest to Date
2012
Dec 2011–Apr 2012
5-Month
47.2°F
(8.4°C)
40.1°F
(4.5°C)
7.1°F
(3.9°C)
127th Coolest
Coolest since:
1978
1st Warmest
Warmest to Date
2012
Nov 2011–Apr 2012
6-Month
47.6°F
(8.7°C)
40.9°F
(4.9°C)
6.7°F
(3.8°C)
127th Coolest
Coolest since:
1912
1st Warmest
Warmest to Date
2012
Oct 2011–Apr 2012
7-Month
49.0°F
(9.4°C)
43.2°F
(6.2°C)
5.8°F
(3.2°C)
127th Coolest
Coolest since:
1899, 1978
1st Warmest
Warmest to Date
2012
Sep 2011–Apr 2012
8-Month
51.2°F
(10.7°C)
46.5°F
(8.1°C)
4.7°F
(2.6°C)
125th Coolest
Coolest since:
1918
3rd Warmest
Warmest since:
2017
Aug 2011–Apr 2012
9-Month
54.1°F
(12.3°C)
49.7°F
(9.8°C)
4.4°F
(2.5°C)
126th Coolest
Coolest since:
1918
2nd Warmest
Warmest since:
2017
Ties: 1932
Jul 2011–Apr 2012
10-Month
57.0°F
(13.9°C)
52.6°F
(11.4°C)
4.4°F
(2.5°C)
127th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2012
Jun 2011–Apr 2012
11-Month
58.8°F
(14.9°C)
54.5°F
(12.5°C)
4.3°F
(2.4°C)
127th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2012, 2017
Ties: 2017
May 2011–Apr 2012
12-Month
59.3°F
(15.2°C)
55.4°F
(13.0°C)
3.9°F
(2.2°C)
127th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2012, 2017
Ties: 2017
Nov 2010–Apr 2012
18-Month
53.2°F
(11.8°C)
50.5°F
(10.3°C)
2.7°F
(1.5°C)
124th Coolest
Coolest since:
1979
3rd Warmest
Warmest since:
2017
Ties: 2006
May 2010–Apr 2012
24-Month
58.0°F
(14.4°C)
55.3°F
(12.9°C)
2.7°F
(1.5°C)
125th Coolest
Coolest since:
1978
2nd Warmest
Warmest to Date
2017
Ties: 2013
May 2009–Apr 2012
36-Month
57.1°F
(13.9°C)
55.4°F
(13.0°C)
1.7°F
(0.9°C)
119th Coolest
Coolest since:
1979
7th Warmest
Warmest since:
2018
Ties: 1934, 2008
May 2008–Apr 2012
48-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
110th Coolest
Coolest since:
1980
15th Warmest
Warmest since:
2019
Ties: 2000, 2001, 2006, 2009
May 2007–Apr 2012
60-Month
56.7°F
(13.7°C)
55.3°F
(12.9°C)
1.4°F
(0.8°C)
117th Coolest
Coolest since:
1980, 1981
7th Warmest
Warmest since:
2020
Ties: 2002, 2003, 2006, 2009, 2013

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