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 7. East Southeast

Average Temperature Rankings, May 2020

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 2020
1-Month
61.3°F
(16.3°C)
63.2°F
(17.3°C)
-1.9°F
(-1.0°C)
37th Coolest
Coolest since:
1924
92nd Warmest
Warmest since:
2018
Apr–May 2020
2-Month
55.9°F
(13.3°C)
58.0°F
(14.4°C)
-2.1°F
(-1.1°C)
18th Coolest
Coolest since:
1907
111th Warmest
Warmest since:
1896
Ties: 1923, 1926, 1973
Mar–May 2020
3-Month
52.6°F
(11.4°C)
52.5°F
(11.4°C)
0.1°F
(0.0°C)
58th Coolest
Coolest since:
1960
71st Warmest
Warmest since:
2012
Ties: 1944, 1956, 2019
Feb–May 2020
4-Month
48.0°F
(8.9°C)
47.2°F
(8.4°C)
0.8°F
(0.5°C)
77th Coolest
Coolest since:
1978
52nd Warmest
Warmest since:
2012
Ties: 1915, 1935, 1956
Jan–May 2020
5-Month
45.3°F
(7.4°C)
43.3°F
(6.3°C)
2.0°F
(1.1°C)
100th Coolest
Coolest since:
1978
29th Warmest
Warmest since:
2012
Ties: 1974
Dec 2019–May 2020
6-Month
43.9°F
(6.6°C)
41.4°F
(5.2°C)
2.5°F
(1.4°C)
113th Coolest
Coolest since:
1978
15th Warmest
Warmest since:
2012
Ties: 1938, 1999
Nov 2019–May 2020
7-Month
43.0°F
(6.1°C)
41.6°F
(5.3°C)
1.4°F
(0.8°C)
98th Coolest
Coolest since:
1978
30th Warmest
Warmest since:
2012
Ties: 1939, 2010, 2021
Oct 2019–May 2020
8-Month
44.6°F
(7.0°C)
43.3°F
(6.3°C)
1.3°F
(0.7°C)
97th Coolest
Coolest since:
1978
31st Warmest
Warmest since:
2012
Ties: 1903, 1925, 1953, 1986
Sep 2019–May 2020
9-Month
47.7°F
(8.7°C)
46.0°F
(7.8°C)
1.7°F
(0.9°C)
104th Coolest
Coolest since:
1978
24th Warmest
Warmest since:
2012
Ties: 1995
Aug 2019–May 2020
10-Month
50.3°F
(10.2°C)
48.8°F
(9.3°C)
1.5°F
(0.9°C)
105th Coolest
Coolest since:
1978
23rd Warmest
Warmest since:
2012
Ties: 1987, 2007
Jul 2019–May 2020
11-Month
52.8°F
(11.6°C)
51.4°F
(10.8°C)
1.4°F
(0.8°C)
106th Coolest
Coolest since:
1904
22nd Warmest
Warmest since:
2012
Jun 2019–May 2020
12-Month
54.3°F
(12.4°C)
53.0°F
(11.7°C)
1.3°F
(0.7°C)
100th Coolest
Coolest since:
1904
28th Warmest
Warmest since:
2012
Ties: 1976, 2004, 2011
Dec 2018–May 2020
18-Month
50.4°F
(10.2°C)
49.1°F
(9.5°C)
1.3°F
(0.7°C)
96th Coolest
Coolest since:
1979
31st Warmest
Warmest since:
2017
Jun 2018–May 2020
24-Month
54.2°F
(12.3°C)
53.1°F
(11.7°C)
1.1°F
(0.6°C)
108th Coolest
Coolest since:
1905, 1978
19th Warmest
Warmest since:
2017
Ties: 1923, 1991, 2003, 2008
Jun 2017–May 2020
36-Month
54.1°F
(12.3°C)
53.1°F
(11.7°C)
1.0°F
(0.6°C)
100th Coolest
Coolest since:
1979
26th Warmest
Warmest since:
2018
Ties: 1954
Jun 2016–May 2020
48-Month
54.8°F
(12.7°C)
53.0°F
(11.7°C)
1.8°F
(1.0°C)
122nd Coolest
Coolest since:
1980
3rd Warmest
Warmest since:
2019
Jun 2015–May 2020
60-Month
55.0°F
(12.8°C)
53.1°F
(11.7°C)
1.9°F
(1.1°C)
123rd Coolest
Coolest since:
1981
1st Warmest
Warmest to Date
2020

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