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, September 1931

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1931
1-Month
72.6°F
(22.6°C)
67.4°F
(19.7°C)
5.2°F
(2.9°C)
125th Coolest
Coolest since:
1918
4th Warmest
Warmest since:
1925
Aug–Sep 1931
2-Month
73.4°F
(23.0°C)
70.8°F
(21.6°C)
2.6°F
(1.4°C)
112th Coolest
Coolest since:
1967
17th Warmest
Warmest since:
1936
Ties: 1906, 1955
Jul–Sep 1931
3-Month
75.4°F
(24.1°C)
72.7°F
(22.6°C)
2.7°F
(1.5°C)
122nd Coolest
Coolest since:
1967
7th Warmest
Warmest to Date
1936
Ties: 1933
Jun–Sep 1931
4-Month
75.4°F
(24.1°C)
72.6°F
(22.6°C)
2.8°F
(1.5°C)
123rd Coolest
Coolest since:
1967
6th Warmest
Warmest since:
1936
Ties: 2010
May–Sep 1931
5-Month
72.2°F
(22.3°C)
70.7°F
(21.5°C)
1.5°F
(0.8°C)
102nd Coolest
Coolest since:
1924
27th Warmest
Warmest since:
1936
Apr–Sep 1931
6-Month
69.1°F
(20.6°C)
67.7°F
(19.8°C)
1.4°F
(0.8°C)
99th Coolest
Coolest since:
1907
30th Warmest
Warmest since:
2010
Ties: 1953, 2011, 2019
Mar–Sep 1931
7-Month
64.5°F
(18.1°C)
64.0°F
(17.8°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1924
49th Warmest
Warmest since:
2012
Ties: 1948, 1999, 2001, 2015
Feb–Sep 1931
8-Month
61.1°F
(16.2°C)
59.9°F
(15.5°C)
1.2°F
(0.7°C)
98th Coolest
Coolest since:
1904, 1924
31st Warmest
Warmest since:
2012
Jan–Sep 1931
9-Month
58.0°F
(14.4°C)
56.4°F
(13.6°C)
1.6°F
(0.8°C)
106th Coolest
Coolest since:
1979
23rd Warmest
Warmest since:
2012
Ties: 1932
Dec 1930–Sep 1931
10-Month
55.3°F
(12.9°C)
53.9°F
(12.2°C)
1.4°F
(0.7°C)
100th Coolest
Coolest since:
1904
28th Warmest
Warmest since:
2012
Ties: 1941, 1952
Nov 1930–Sep 1931
11-Month
54.2°F
(12.3°C)
52.9°F
(11.6°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1904
26th Warmest
Warmest since:
2012
Ties: 1925, 1939, 1949, 2021, 2022
Oct 1930–Sep 1931
12-Month
54.1°F
(12.3°C)
53.1°F
(11.7°C)
1.0°F
(0.6°C)
95th Coolest
Coolest since:
1904
33rd Warmest
Warmest since:
2012
Ties: 1934, 1949, 1957, 1972, 2004
Apr 1930–Sep 1931
18-Month
59.2°F
(15.1°C)
57.9°F
(14.4°C)
1.3°F
(0.7°C)
103rd Coolest
Coolest since:
1918
25th Warmest
Warmest since:
2012
Ties: 1933, 1935, 1939, 1988
Oct 1929–Sep 1931
24-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
93rd Coolest
Coolest since:
1979
34th Warmest
Warmest since:
2017
Ties: 1943, 1986, 1998, 2001, 2020
Oct 1928–Sep 1931
36-Month
53.4°F
(11.9°C)
53.1°F
(11.7°C)
0.3°F
(0.2°C)
77th Coolest
Coolest since:
1979
49th Warmest
Warmest since:
2018
Ties: 1915, 1940, 1976, 1990
Oct 1927–Sep 1931
48-Month
53.1°F
(11.7°C)
53.0°F
(11.7°C)
0.1°F
(0.0°C)
53rd Coolest
Coolest since:
1980
72nd Warmest
Warmest since:
2019
Ties: 1914, 1948, 1952, 2016
Oct 1926–Sep 1931
60-Month
53.0°F
(11.7°C)
53.0°F
(11.7°C)
0.0°F
(0.0°C)
50th Coolest
Coolest since:
1982
74th Warmest
Warmest since:
2020
Ties: 1917, 1951, 1974, 1977, 1986, 1996

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