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 2019

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
September 2019
1-Month
72.8°F
(22.7°C)
67.4°F
(19.7°C)
5.4°F
(3.0°C)
126th Coolest
Coolest since:
1918
3rd Warmest
Warmest since:
1925
Aug–Sep 2019
2-Month
73.2°F
(22.9°C)
70.9°F
(21.6°C)
2.3°F
(1.3°C)
109th Coolest
Coolest since:
1967
20th Warmest
Warmest since:
1936
Ties: 1959, 2010
Jul–Sep 2019
3-Month
74.5°F
(23.6°C)
72.6°F
(22.6°C)
1.9°F
(1.0°C)
109th Coolest
Coolest since:
1967
20th Warmest
Warmest since:
1936
Ties: 1926
Jun–Sep 2019
4-Month
73.9°F
(23.3°C)
72.6°F
(22.6°C)
1.3°F
(0.7°C)
99th Coolest
Coolest since:
1967
30th Warmest
Warmest since:
1936
Ties: 1900, 1959, 1987, 2021
May–Sep 2019
5-Month
72.0°F
(22.2°C)
70.7°F
(21.5°C)
1.3°F
(0.7°C)
96th Coolest
Coolest since:
1924
33rd Warmest
Warmest since:
1936
Ties: 1986
Apr–Sep 2019
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: 1931, 1953, 2011
Mar–Sep 2019
7-Month
64.8°F
(18.2°C)
64.0°F
(17.8°C)
0.8°F
(0.4°C)
90th Coolest
Coolest since:
1924
39th Warmest
Warmest since:
2012
Ties: 1905, 1919, 1944, 1946, 1995
Feb–Sep 2019
8-Month
60.8°F
(16.0°C)
59.9°F
(15.5°C)
0.9°F
(0.5°C)
92nd Coolest
Coolest since:
1904, 1924
37th Warmest
Warmest since:
2012
Ties: 1990, 2001, 2022
Jan–Sep 2019
9-Month
57.2°F
(14.0°C)
56.3°F
(13.5°C)
0.9°F
(0.5°C)
86th Coolest
Coolest since:
1979
43rd Warmest
Warmest since:
2012
Ties: 1898, 1949
Dec 2018–Sep 2019
10-Month
55.1°F
(12.8°C)
53.9°F
(12.2°C)
1.2°F
(0.6°C)
95th Coolest
Coolest since:
1904
33rd Warmest
Warmest since:
2012
Ties: 1911, 1914, 1949, 2018
Nov 2018–Sep 2019
11-Month
53.5°F
(11.9°C)
52.8°F
(11.6°C)
0.7°F
(0.3°C)
86th Coolest
Coolest since:
1904
42nd Warmest
Warmest since:
2012
Ties: 1911, 1944, 1952, 1957
Oct 2018–Sep 2019
12-Month
53.7°F
(12.1°C)
53.1°F
(11.7°C)
0.6°F
(0.4°C)
79th Coolest
Coolest since:
1904
49th Warmest
Warmest since:
2012
Ties: 1990, 1992, 2011
Apr 2018–Sep 2019
18-Month
59.0°F
(15.0°C)
58.0°F
(14.4°C)
1.0°F
(0.6°C)
98th Coolest
Coolest since:
1918
30th Warmest
Warmest since:
2012
Ties: 2020
Oct 2017–Sep 2019
24-Month
54.1°F
(12.3°C)
53.1°F
(11.7°C)
1.0°F
(0.6°C)
100th Coolest
Coolest since:
1979
27th Warmest
Warmest since:
2017
Ties: 1914, 2003, 2011, 2021
Oct 2016–Sep 2019
36-Month
54.8°F
(12.7°C)
53.0°F
(11.7°C)
1.8°F
(1.0°C)
116th Coolest
Coolest since:
1979
10th Warmest
Warmest since:
2018
Ties: 1954, 2006
Oct 2015–Sep 2019
48-Month
55.2°F
(12.9°C)
53.0°F
(11.7°C)
2.2°F
(1.2°C)
124th Coolest
Coolest since:
1980
1st Warmest
Warmest to Date
2019
Oct 2014–Sep 2019
60-Month
54.6°F
(12.6°C)
53.0°F
(11.7°C)
1.6°F
(0.9°C)
121st Coolest
Coolest since:
1982
3rd Warmest
Warmest since:
2020
Ties: 2008

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