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 5. East

Average Temperature Rankings, May 2010

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
May 2010
1-Month
63.6°F
(17.6°C)
61.0°F
(16.1°C)
2.6°F
(1.5°C)
94th Coolest
Coolest since:
1907
35th Warmest
Warmest since:
2018
Apr–May 2010
2-Month
60.5°F
(15.8°C)
55.4°F
(13.0°C)
5.1°F
(2.8°C)
125th Coolest
Coolest since:
1907
4th Warmest
Warmest since:
1977
Mar–May 2010
3-Month
54.6°F
(12.6°C)
49.7°F
(9.8°C)
4.9°F
(2.8°C)
125th Coolest
Coolest since:
1960
4th Warmest
Warmest since:
2012
Feb–May 2010
4-Month
47.0°F
(8.3°C)
44.1°F
(6.7°C)
2.9°F
(1.6°C)
113th Coolest
Coolest since:
1978
16th Warmest
Warmest since:
2012
Jan–May 2010
5-Month
41.6°F
(5.3°C)
40.1°F
(4.5°C)
1.5°F
(0.8°C)
94th Coolest
Coolest since:
1978
35th Warmest
Warmest since:
2012
Ties: 1925, 1930, 1931, 1939, 1944
Dec 2009–May 2010
6-Month
39.4°F
(4.1°C)
38.1°F
(3.4°C)
1.3°F
(0.7°C)
89th Coolest
Coolest since:
1978
39th Warmest
Warmest since:
2012
Ties: 1931, 2021
Nov 2009–May 2010
7-Month
40.3°F
(4.6°C)
38.3°F
(3.5°C)
2.0°F
(1.1°C)
104th Coolest
Coolest since:
1904
24th Warmest
Warmest since:
2012
Ties: 1919, 1955, 2021
Oct 2009–May 2010
8-Month
41.5°F
(5.3°C)
40.2°F
(4.6°C)
1.3°F
(0.7°C)
95th Coolest
Coolest since:
1904
33rd Warmest
Warmest since:
2012
Ties: 1957, 1964
Sep 2009–May 2010
9-Month
44.1°F
(6.7°C)
43.0°F
(6.1°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1904
33rd Warmest
Warmest since:
2012
Ties: 1898, 1953, 1957, 1964
Aug 2009–May 2010
10-Month
46.7°F
(8.2°C)
45.9°F
(7.7°C)
0.8°F
(0.5°C)
87th Coolest
Coolest since:
1904
41st Warmest
Warmest since:
2012
Ties: 2013, 2018
Jul 2009–May 2010
11-Month
48.7°F
(9.3°C)
48.5°F
(9.2°C)
0.2°F
(0.1°C)
67th Coolest
Coolest since:
1904
61st Warmest
Warmest since:
2012
Ties: 1896, 1945, 1973
Jun 2009–May 2010
12-Month
50.7°F
(10.4°C)
50.4°F
(10.2°C)
0.3°F
(0.2°C)
70th Coolest
Coolest since:
1904
58th Warmest
Warmest since:
2012
Dec 2008–May 2010
18-Month
46.4°F
(8.0°C)
46.2°F
(7.9°C)
0.2°F
(0.1°C)
67th Coolest
Coolest since:
1905
60th Warmest
Warmest since:
2017
Ties: 1898, 1928, 1943, 1973
Jun 2008–May 2010
24-Month
50.5°F
(10.3°C)
50.3°F
(10.2°C)
0.2°F
(0.1°C)
66th Coolest
Coolest since:
1905
61st Warmest
Warmest since:
2017
Ties: 1931, 1958, 1965, 1995
Jun 2007–May 2010
36-Month
50.8°F
(10.4°C)
50.3°F
(10.2°C)
0.5°F
(0.2°C)
80th Coolest
Coolest since:
1905, 1906
46th Warmest
Warmest since:
2018
Ties: 1949, 1985
Jun 2006–May 2010
48-Month
51.0°F
(10.6°C)
50.3°F
(10.2°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1905
40th Warmest
Warmest since:
2019
Ties: 1958, 1994
Jun 2005–May 2010
60-Month
51.5°F
(10.8°C)
50.3°F
(10.2°C)
1.2°F
(0.6°C)
105th Coolest
Coolest since:
1905, 1906, 1908
19th Warmest
Warmest since:
2020
Ties: 1934, 2000, 2016, 2017

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