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 2016

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 2016
1-Month
57.8°F
(14.3°C)
55.3°F
(12.9°C)
2.5°F
(1.4°C)
98th Coolest
Coolest since:
1907
31st Warmest
Warmest since:
1896
Mar–Apr 2016
2-Month
54.6°F
(12.6°C)
49.9°F
(9.9°C)
4.7°F
(2.7°C)
120th Coolest
Coolest since:
1926, 1960
9th Warmest
Warmest since:
2012
Feb–Apr 2016
3-Month
49.4°F
(9.7°C)
44.9°F
(7.2°C)
4.5°F
(2.5°C)
121st Coolest
Coolest since:
1899
8th Warmest
Warmest since:
2012
Jan–Apr 2016
4-Month
45.1°F
(7.3°C)
41.5°F
(5.3°C)
3.6°F
(2.0°C)
118th Coolest
Coolest since:
1978
11th Warmest
Warmest since:
2012
Ties: 1954, 1976
Dec 2015–Apr 2016
5-Month
45.2°F
(7.3°C)
40.1°F
(4.5°C)
5.1°F
(2.8°C)
125th Coolest
Coolest since:
1978
3rd Warmest
Warmest since:
2012
Nov 2015–Apr 2016
6-Month
46.0°F
(7.8°C)
40.8°F
(4.9°C)
5.2°F
(2.9°C)
125th Coolest
Coolest since:
1912
3rd Warmest
Warmest since:
2012
Oct 2015–Apr 2016
7-Month
47.8°F
(8.8°C)
43.2°F
(6.2°C)
4.6°F
(2.6°C)
124th Coolest
Coolest since:
1899, 1978
4th Warmest
Warmest since:
2012
Sep 2015–Apr 2016
8-Month
50.8°F
(10.4°C)
46.5°F
(8.1°C)
4.3°F
(2.3°C)
124th Coolest
Coolest since:
1918
4th Warmest
Warmest since:
2017
Aug 2015–Apr 2016
9-Month
53.4°F
(11.9°C)
49.7°F
(9.8°C)
3.7°F
(2.1°C)
124th Coolest
Coolest since:
1918
4th Warmest
Warmest since:
2017
Jul 2015–Apr 2016
10-Month
55.9°F
(13.3°C)
52.5°F
(11.4°C)
3.4°F
(1.9°C)
124th Coolest
Coolest since:
1918
4th Warmest
Warmest since:
2012
Jun 2015–Apr 2016
11-Month
57.7°F
(14.3°C)
54.5°F
(12.5°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1918
4th Warmest
Warmest since:
2012, 2017
May 2015–Apr 2016
12-Month
58.5°F
(14.7°C)
55.4°F
(13.0°C)
3.1°F
(1.7°C)
124th Coolest
Coolest since:
1918
4th Warmest
Warmest since:
2012, 2017
Nov 2014–Apr 2016
18-Month
52.1°F
(11.2°C)
50.5°F
(10.3°C)
1.6°F
(0.9°C)
108th Coolest
Coolest since:
1979
19th Warmest
Warmest since:
2017
Ties: 2022
May 2014–Apr 2016
24-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
106th Coolest
Coolest since:
1978
21st Warmest
Warmest since:
2017
Ties: 1942, 2021
May 2013–Apr 2016
36-Month
55.6°F
(13.1°C)
55.3°F
(12.9°C)
0.3°F
(0.2°C)
69th Coolest
Coolest since:
1979
57th Warmest
Warmest since:
2018
Ties: 1925, 1945, 1973
May 2012–Apr 2016
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, 1941, 1944, 1988, 2010
May 2011–Apr 2016
60-Month
56.6°F
(13.7°C)
55.4°F
(13.0°C)
1.2°F
(0.7°C)
111th Coolest
Coolest since:
1980, 1981
13th Warmest
Warmest since:
2020
Ties: 2017

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