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 3. West

Average Temperature Rankings, April 2017

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 2017
1-Month
55.5°F
(13.1°C)
51.3°F
(10.7°C)
4.2°F
(2.4°C)
112th Coolest
Coolest since:
2018
17th Warmest
Warmest since:
2010
Ties: 2005
Mar–Apr 2017
2-Month
49.0°F
(9.4°C)
45.2°F
(7.3°C)
3.8°F
(2.1°C)
109th Coolest
Coolest since:
1960
20th Warmest
Warmest since:
2012
Feb–Apr 2017
3-Month
46.1°F
(7.8°C)
39.5°F
(4.2°C)
6.6°F
(3.6°C)
127th Coolest
Coolest since:
1899
2nd Warmest
Warmest since:
2012
Jan–Apr 2017
4-Month
42.0°F
(5.6°C)
35.6°F
(2.0°C)
6.4°F
(3.6°C)
127th Coolest
Coolest since:
1912
2nd Warmest
Warmest since:
2012
Dec 2016–Apr 2017
5-Month
39.1°F
(3.9°C)
34.1°F
(1.2°C)
5.0°F
(2.7°C)
124th Coolest
Coolest since:
1978
4th Warmest
Warmest since:
2012
Nov 2016–Apr 2017
6-Month
40.6°F
(4.8°C)
35.1°F
(1.7°C)
5.5°F
(3.1°C)
126th Coolest
Coolest since:
1904, 1912, 1978
2nd Warmest
Warmest since:
2012
Oct 2016–Apr 2017
7-Month
43.3°F
(6.3°C)
37.9°F
(3.3°C)
5.4°F
(3.0°C)
126th Coolest
Coolest since:
1912
2nd Warmest
Warmest since:
2012
Sep 2016–Apr 2017
8-Month
46.7°F
(8.2°C)
41.4°F
(5.2°C)
5.3°F
(3.0°C)
127th Coolest
Coolest since:
1904, 1978
1st Warmest
Warmest to Date
2017
Aug 2016–Apr 2017
9-Month
49.9°F
(9.9°C)
45.1°F
(7.3°C)
4.8°F
(2.6°C)
127th Coolest
Coolest since:
1978
1st Warmest
Warmest to Date
2017
Jul 2016–Apr 2017
10-Month
52.4°F
(11.3°C)
48.2°F
(9.0°C)
4.2°F
(2.3°C)
126th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2012
Jun 2016–Apr 2017
11-Month
54.4°F
(12.4°C)
50.2°F
(10.1°C)
4.2°F
(2.3°C)
127th Coolest
Coolest since:
1904
1st Warmest
Warmest to Date
2017
May 2016–Apr 2017
12-Month
55.0°F
(12.8°C)
51.2°F
(10.7°C)
3.8°F
(2.1°C)
127th Coolest
Coolest since:
1918
1st Warmest
Warmest to Date
2017
Nov 2015–Apr 2017
18-Month
50.2°F
(10.1°C)
45.9°F
(7.7°C)
4.3°F
(2.4°C)
126th Coolest
Coolest since:
1979
1st Warmest
Warmest to Date
2017
May 2015–Apr 2017
24-Month
54.6°F
(12.6°C)
51.3°F
(10.7°C)
3.3°F
(1.9°C)
126th Coolest
Coolest since:
1905
1st Warmest
Warmest to Date
2017
May 2014–Apr 2017
36-Month
53.0°F
(11.7°C)
51.2°F
(10.7°C)
1.8°F
(1.0°C)
122nd Coolest
Coolest since:
1979
4th Warmest
Warmest since:
2018
May 2013–Apr 2017
48-Month
51.9°F
(11.1°C)
51.2°F
(10.7°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1980
34th Warmest
Warmest since:
1935
Ties: 1938, 1943, 1945, 2014
May 2012–Apr 2017
60-Month
51.9°F
(11.1°C)
51.2°F
(10.7°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1906, 1979
33rd Warmest
Warmest since:
1935
Ties: 1937, 1945, 1989, 2000, 2005, 2010, 2016

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