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 1979

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1979
1-Month
61.6°F
(16.4°C)
63.2°F
(17.3°C)
-1.6°F
(-0.9°C)
40th Coolest
Coolest since:
1924
89th Warmest
Warmest since:
2018
Ties: 2021
Apr–May 1979
2-Month
56.3°F
(13.5°C)
58.0°F
(14.4°C)
-1.7°F
(-0.9°C)
27th Coolest
Coolest since:
1907
102nd Warmest
Warmest since:
1896
Ties: 1989
Mar–May 1979
3-Month
51.5°F
(10.8°C)
52.5°F
(11.4°C)
-1.0°F
(-0.6°C)
39th Coolest
Coolest since:
1960
90th Warmest
Warmest since:
2012
Ties: 1915, 1975
Feb–May 1979
4-Month
43.4°F
(6.3°C)
47.3°F
(8.5°C)
-3.9°F
(-2.2°C)
5th Coolest
Coolest since:
1978
124th Warmest
Warmest since:
2012
Jan–May 1979
5-Month
37.8°F
(3.2°C)
43.4°F
(6.3°C)
-5.6°F
(-3.1°C)
2nd Coolest
Coolest since:
1978
127th Warmest
Warmest since:
2012
Dec 1978–May 1979
6-Month
37.0°F
(2.8°C)
41.4°F
(5.2°C)
-4.4°F
(-2.4°C)
3rd Coolest
Coolest since:
1978
125th Warmest
Warmest since:
2012
Nov 1978–May 1979
7-Month
38.2°F
(3.4°C)
41.5°F
(5.3°C)
-3.3°F
(-1.9°C)
5th Coolest
Coolest since:
1978
123rd Warmest
Warmest since:
2012
Oct 1978–May 1979
8-Month
40.1°F
(4.5°C)
43.3°F
(6.3°C)
-3.2°F
(-1.8°C)
6th Coolest
Coolest since:
1978
122nd Warmest
Warmest since:
2012
Sep 1978–May 1979
9-Month
43.4°F
(6.3°C)
45.9°F
(7.7°C)
-2.5°F
(-1.4°C)
5th Coolest
Coolest since:
1978
123rd Warmest
Warmest since:
2012
Ties: 1912, 1977
Aug 1978–May 1979
10-Month
46.4°F
(8.0°C)
48.8°F
(9.3°C)
-2.4°F
(-1.3°C)
6th Coolest
Coolest since:
1978
122nd Warmest
Warmest since:
2012
Ties: 1912
Jul 1978–May 1979
11-Month
49.1°F
(9.5°C)
51.3°F
(10.7°C)
-2.2°F
(-1.2°C)
7th Coolest
Coolest since:
1904
121st Warmest
Warmest since:
2012
Ties: 1912, 1951
Jun 1978–May 1979
12-Month
51.1°F
(10.6°C)
53.1°F
(11.7°C)
-2.0°F
(-1.1°C)
8th Coolest
Coolest since:
1904
120th Warmest
Warmest since:
2012
Ties: 1905, 2014
Dec 1977–May 1979
18-Month
45.9°F
(7.7°C)
49.2°F
(9.6°C)
-3.3°F
(-1.9°C)
1st Coolest
Coolest since:
1979
126th Warmest
Warmest since:
2017
Jun 1977–May 1979
24-Month
50.6°F
(10.3°C)
53.1°F
(11.7°C)
-2.5°F
(-1.4°C)
3rd Coolest
Coolest since:
1905, 1978
124th Warmest
Warmest since:
2017
Jun 1976–May 1979
36-Month
50.6°F
(10.3°C)
53.0°F
(11.7°C)
-2.4°F
(-1.4°C)
1st Coolest
Coolest since:
1979
125th Warmest
Warmest since:
2018
Jun 1975–May 1979
48-Month
51.5°F
(10.8°C)
53.0°F
(11.7°C)
-1.5°F
(-0.9°C)
2nd Coolest
Coolest since:
1980
123rd Warmest
Warmest since:
2019
Ties: 1907
Jun 1974–May 1979
60-Month
51.7°F
(10.9°C)
53.0°F
(11.7°C)
-1.3°F
(-0.8°C)
3rd Coolest
Coolest since:
1981
121st Warmest
Warmest since:
2020
Ties: 1908, 1982

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