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 2015

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 2015
1-Month
66.4°F
(19.1°C)
63.2°F
(17.3°C)
3.2°F
(1.8°C)
107th Coolest
Coolest since:
1924
22nd Warmest
Warmest since:
2018
Ties: 1970
Apr–May 2015
2-Month
60.8°F
(16.0°C)
58.1°F
(14.5°C)
2.7°F
(1.5°C)
112th Coolest
Coolest since:
1907
17th Warmest
Warmest since:
1896
Ties: 2017
Mar–May 2015
3-Month
53.5°F
(11.9°C)
52.5°F
(11.4°C)
1.0°F
(0.5°C)
84th Coolest
Coolest since:
1960
45th Warmest
Warmest since:
2012
Feb–May 2015
4-Month
45.4°F
(7.4°C)
47.2°F
(8.4°C)
-1.8°F
(-1.0°C)
21st Coolest
Coolest since:
1978
108th Warmest
Warmest since:
2012
Ties: 1926, 1971, 1989
Jan–May 2015
5-Month
41.9°F
(5.5°C)
43.4°F
(6.3°C)
-1.5°F
(-0.8°C)
29th Coolest
Coolest since:
1978
100th Warmest
Warmest since:
2012
Ties: 1902
Dec 2014–May 2015
6-Month
40.8°F
(4.9°C)
41.4°F
(5.2°C)
-0.6°F
(-0.3°C)
40th Coolest
Coolest since:
1978
88th Warmest
Warmest since:
2012
Ties: 1923, 1966, 2001
Nov 2014–May 2015
7-Month
40.1°F
(4.5°C)
41.6°F
(5.3°C)
-1.5°F
(-0.8°C)
23rd Coolest
Coolest since:
1978
105th Warmest
Warmest since:
2012
Ties: 1901, 1917, 1980
Oct 2014–May 2015
8-Month
42.0°F
(5.6°C)
43.3°F
(6.3°C)
-1.3°F
(-0.7°C)
25th Coolest
Coolest since:
1978
103rd Warmest
Warmest since:
2012
Ties: 1924, 1980
Sep 2014–May 2015
9-Month
44.6°F
(7.0°C)
46.0°F
(7.8°C)
-1.4°F
(-0.8°C)
25th Coolest
Coolest since:
1978
103rd Warmest
Warmest since:
2012
Ties: 1920, 1940
Aug 2014–May 2015
10-Month
47.5°F
(8.6°C)
48.8°F
(9.3°C)
-1.3°F
(-0.7°C)
21st Coolest
Coolest since:
1978
107th Warmest
Warmest since:
2012
Ties: 1897, 1960, 1980
Jul 2014–May 2015
11-Month
49.6°F
(9.8°C)
51.3°F
(10.7°C)
-1.7°F
(-0.9°C)
12th Coolest
Coolest since:
1904
116th Warmest
Warmest since:
2012
Ties: 1982
Jun 2014–May 2015
12-Month
51.7°F
(10.9°C)
53.1°F
(11.7°C)
-1.4°F
(-0.8°C)
14th Coolest
Coolest since:
1904
114th Warmest
Warmest since:
2012
Ties: 1963, 1982
Dec 2013–May 2015
18-Month
47.2°F
(8.4°C)
49.2°F
(9.6°C)
-2.0°F
(-1.2°C)
7th Coolest
Coolest since:
1979
120th Warmest
Warmest since:
2017
Jun 2013–May 2015
24-Month
51.4°F
(10.8°C)
53.1°F
(11.7°C)
-1.7°F
(-0.9°C)
5th Coolest
Coolest since:
1905, 1978
122nd Warmest
Warmest since:
2017
Ties: 1904
Jun 2012–May 2015
36-Month
52.2°F
(11.2°C)
53.0°F
(11.7°C)
-0.8°F
(-0.5°C)
14th Coolest
Coolest since:
1979
112th Warmest
Warmest since:
2018
Ties: 1912, 1960, 1968, 1969, 1981
Jun 2011–May 2015
48-Month
53.5°F
(11.9°C)
53.0°F
(11.7°C)
0.5°F
(0.2°C)
77th Coolest
Coolest since:
1980
48th Warmest
Warmest since:
2019
Ties: 1936, 1938, 1939, 1941, 1974, 1975, 1976
Jun 2010–May 2015
60-Month
53.7°F
(12.1°C)
53.0°F
(11.7°C)
0.7°F
(0.4°C)
88th Coolest
Coolest since:
1981
36th Warmest
Warmest since:
2020
Ties: 1925, 1933, 1937, 1938, 1939, 1941, 1955, 1976, 1990, 1995, 1999

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