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 2017

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2017
1-Month
69.7°F
(20.9°C)
67.4°F
(19.7°C)
2.3°F
(1.2°C)
94th Coolest
Coolest since:
1918
35th Warmest
Warmest since:
1925
Aug–Sep 2017
2-Month
70.6°F
(21.4°C)
70.9°F
(21.6°C)
-0.3°F
(-0.2°C)
56th Coolest
Coolest since:
1967
73rd Warmest
Warmest since:
1936
Ties: 1943, 1945, 1964, 1986, 2000, 2001, 2008
Jul–Sep 2017
3-Month
72.7°F
(22.6°C)
72.6°F
(22.6°C)
0.1°F
(0.0°C)
68th Coolest
Coolest since:
1967
61st Warmest
Warmest since:
1936
Ties: 1895, 1899, 1940
Jun–Sep 2017
4-Month
72.8°F
(22.7°C)
72.6°F
(22.6°C)
0.2°F
(0.1°C)
73rd Coolest
Coolest since:
1967
56th Warmest
Warmest since:
1936
Ties: 1906, 1940, 1948, 1964, 1970, 1971
May–Sep 2017
5-Month
71.0°F
(21.7°C)
70.8°F
(21.6°C)
0.2°F
(0.1°C)
71st Coolest
Coolest since:
1924
58th Warmest
Warmest since:
1936
Ties: 1896, 1949
Apr–Sep 2017
6-Month
68.8°F
(20.4°C)
67.7°F
(19.8°C)
1.1°F
(0.6°C)
92nd Coolest
Coolest since:
1907
37th Warmest
Warmest since:
2010
Ties: 2001
Mar–Sep 2017
7-Month
65.4°F
(18.6°C)
64.0°F
(17.8°C)
1.4°F
(0.8°C)
106th Coolest
Coolest since:
1924
23rd Warmest
Warmest since:
2012
Ties: 1934, 1953, 2002, 2018
Feb–Sep 2017
8-Month
62.6°F
(17.0°C)
59.9°F
(15.5°C)
2.7°F
(1.5°C)
123rd Coolest
Coolest since:
1904, 1924
6th Warmest
Warmest since:
2012
Ties: 1987, 2016
Jan–Sep 2017
9-Month
59.5°F
(15.3°C)
56.4°F
(13.6°C)
3.1°F
(1.7°C)
125th Coolest
Coolest since:
1979
4th Warmest
Warmest since:
2012
Dec 2016–Sep 2017
10-Month
56.6°F
(13.7°C)
53.9°F
(12.2°C)
2.7°F
(1.5°C)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Ties: 2002
Nov 2016–Sep 2017
11-Month
55.8°F
(13.2°C)
52.8°F
(11.6°C)
3.0°F
(1.6°C)
123rd Coolest
Coolest since:
1904
5th Warmest
Warmest since:
2012
Ties: 1991
Oct 2016–Sep 2017
12-Month
56.3°F
(13.5°C)
53.1°F
(11.7°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1904
4th Warmest
Warmest since:
2012
Apr 2016–Sep 2017
18-Month
60.6°F
(15.9°C)
57.9°F
(14.4°C)
2.7°F
(1.5°C)
126th Coolest
Coolest since:
1918
2nd Warmest
Warmest since:
2012
Oct 2015–Sep 2017
24-Month
56.3°F
(13.5°C)
53.0°F
(11.7°C)
3.3°F
(1.8°C)
126th Coolest
Coolest since:
1979
1st Warmest
Warmest to Date
2017
Oct 2014–Sep 2017
36-Month
55.0°F
(12.8°C)
53.1°F
(11.7°C)
1.9°F
(1.1°C)
121st Coolest
Coolest since:
1979
5th Warmest
Warmest since:
2018
Ties: 1955
Oct 2013–Sep 2017
48-Month
53.9°F
(12.2°C)
53.0°F
(11.7°C)
0.9°F
(0.5°C)
98th Coolest
Coolest since:
1980
27th Warmest
Warmest since:
2019
Ties: 1936, 1944, 1954, 1989, 1991, 1992, 1993
Oct 2012–Sep 2017
60-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
92nd Coolest
Coolest since:
1982
32nd Warmest
Warmest since:
2020
Ties: 1942, 1989, 1990, 1995, 1999, 2000

Citing This Page