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 2. Northeast

Average Temperature Rankings, April 2021

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 2021
1-Month
50.6°F
(10.3°C)
47.8°F
(8.8°C)
2.8°F
(1.5°C)
101st Coolest
Coolest since:
1907
28th Warmest
Warmest since:
1915
Ties: 1987, 1999
Mar–Apr 2021
2-Month
46.5°F
(8.1°C)
41.8°F
(5.4°C)
4.7°F
(2.7°C)
120th Coolest
Coolest since:
1926
9th Warmest
Warmest since:
2012
Feb–Apr 2021
3-Month
36.6°F
(2.6°C)
36.2°F
(2.3°C)
0.4°F
(0.3°C)
73rd Coolest
Coolest since:
1904
56th Warmest
Warmest since:
2012
Ties: 1964, 2011
Jan–Apr 2021
4-Month
34.0°F
(1.1°C)
32.4°F
(0.2°C)
1.6°F
(0.9°C)
86th Coolest
Coolest since:
1912
43rd Warmest
Warmest since:
2012
Ties: 1915
Dec 2020–Apr 2021
5-Month
33.4°F
(0.8°C)
31.2°F
(-0.4°C)
2.2°F
(1.2°C)
101st Coolest
Coolest since:
1904
27th Warmest
Warmest since:
2012
Nov 2020–Apr 2021
6-Month
35.4°F
(1.9°C)
32.3°F
(0.2°C)
3.1°F
(1.7°C)
111th Coolest
Coolest since:
1904
17th Warmest
Warmest since:
2012
Oct 2020–Apr 2021
7-Month
37.3°F
(2.9°C)
35.1°F
(1.7°C)
2.2°F
(1.2°C)
106th Coolest
Coolest since:
1904
22nd Warmest
Warmest since:
2012
Sep 2020–Apr 2021
8-Month
40.6°F
(4.8°C)
38.7°F
(3.7°C)
1.9°F
(1.1°C)
106th Coolest
Coolest since:
1904
22nd Warmest
Warmest since:
2012
Ties: 1992
Aug 2020–Apr 2021
9-Month
44.2°F
(6.8°C)
42.3°F
(5.7°C)
1.9°F
(1.1°C)
107th Coolest
Coolest since:
1904
21st Warmest
Warmest since:
2012, 2017
Ties: 1919, 1992
Jul 2020–Apr 2021
10-Month
47.4°F
(8.6°C)
45.4°F
(7.4°C)
2.0°F
(1.2°C)
112th Coolest
Coolest since:
1904
16th Warmest
Warmest since:
2012
Ties: 1976
Jun 2020–Apr 2021
11-Month
49.6°F
(9.8°C)
47.5°F
(8.6°C)
2.1°F
(1.2°C)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest since:
2012
May 2020–Apr 2021
12-Month
50.3°F
(10.2°C)
48.4°F
(9.1°C)
1.9°F
(1.1°C)
112th Coolest
Coolest since:
1904, 1918
16th Warmest
Warmest since:
2012
Ties: 1935
Nov 2019–Apr 2021
18-Month
45.2°F
(7.3°C)
43.1°F
(6.2°C)
2.1°F
(1.1°C)
114th Coolest
Coolest since:
1905, 1918
13th Warmest
Warmest since:
2017
May 2019–Apr 2021
24-Month
50.2°F
(10.1°C)
48.4°F
(9.1°C)
1.8°F
(1.0°C)
114th Coolest
Coolest since:
1905
13th Warmest
Warmest since:
2017
Ties: 1955, 2003
May 2018–Apr 2021
36-Month
50.0°F
(10.0°C)
48.5°F
(9.2°C)
1.5°F
(0.8°C)
112th Coolest
Coolest since:
1918
14th Warmest
Warmest since:
2000
Ties: 1933, 1992, 2004
May 2017–Apr 2021
48-Month
49.6°F
(9.8°C)
48.5°F
(9.2°C)
1.1°F
(0.6°C)
104th Coolest
Coolest since:
1980
21st Warmest
Warmest since:
2002
Ties: 1922, 1924, 1957, 1989, 1991, 2004, 2014
May 2016–Apr 2021
60-Month
50.2°F
(10.1°C)
48.4°F
(9.1°C)
1.8°F
(1.0°C)
119th Coolest
Coolest since:
1908, 1920
5th Warmest
Warmest since:
2002

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