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, August 2017

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 2017
1-Month
71.4°F
(21.9°C)
74.2°F
(23.4°C)
-2.8°F
(-1.5°C)
11th Coolest
Coolest since:
1915
118th Warmest
Warmest since:
1947
Jul–Aug 2017
2-Month
74.2°F
(23.4°C)
75.2°F
(24.0°C)
-1.0°F
(-0.6°C)
36th Coolest
Coolest since:
1915, 1967
93rd Warmest
Warmest since:
1936
Ties: 1897, 1907, 1951, 2000
Jun–Aug 2017
3-Month
73.8°F
(23.2°C)
74.3°F
(23.5°C)
-0.5°F
(-0.3°C)
46th Coolest
Coolest since:
1927
83rd Warmest
Warmest since:
1936
Ties: 1896, 1905, 1908, 1996
May–Aug 2017
4-Month
71.3°F
(21.8°C)
71.6°F
(22.0°C)
-0.3°F
(-0.2°C)
53rd Coolest
Coolest since:
1915
76th Warmest
Warmest since:
1936
Ties: 1895, 1906, 1908, 1940, 2020
Apr–Aug 2017
5-Month
68.6°F
(20.3°C)
67.8°F
(19.9°C)
0.8°F
(0.4°C)
83rd Coolest
Coolest since:
1907
46th Warmest
Warmest since:
2010
Mar–Aug 2017
6-Month
64.7°F
(18.2°C)
63.5°F
(17.5°C)
1.2°F
(0.7°C)
101st Coolest
Coolest since:
1960
28th Warmest
Warmest since:
2012
Ties: 1918
Feb–Aug 2017
7-Month
61.6°F
(16.4°C)
58.9°F
(14.9°C)
2.7°F
(1.5°C)
123rd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Jan–Aug 2017
8-Month
58.2°F
(14.6°C)
55.0°F
(12.8°C)
3.2°F
(1.8°C)
126th Coolest
Coolest since:
1978
3rd Warmest
Warmest since:
2012
Dec 2016–Aug 2017
9-Month
55.1°F
(12.8°C)
52.4°F
(11.3°C)
2.7°F
(1.5°C)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Ties: 1932, 1954
Nov 2016–Aug 2017
10-Month
54.4°F
(12.4°C)
51.3°F
(10.7°C)
3.1°F
(1.7°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Oct 2016–Aug 2017
11-Month
55.1°F
(12.8°C)
51.8°F
(11.0°C)
3.3°F
(1.8°C)
126th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2012
Ties: 1921, 2016
Sep 2016–Aug 2017
12-Month
56.4°F
(13.6°C)
53.1°F
(11.7°C)
3.3°F
(1.9°C)
125th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2012
Mar 2016–Aug 2017
18-Month
59.5°F
(15.3°C)
56.5°F
(13.6°C)
3.0°F
(1.7°C)
126th Coolest
Coolest since:
1904
2nd Warmest
Warmest since:
2012
Sep 2015–Aug 2017
24-Month
56.4°F
(13.6°C)
53.1°F
(11.7°C)
3.3°F
(1.9°C)
126th Coolest
Coolest since:
1979
1st Warmest
Warmest to Date
2017
Sep 2014–Aug 2017
36-Month
54.8°F
(12.7°C)
53.0°F
(11.7°C)
1.8°F
(1.0°C)
119th Coolest
Coolest since:
1979
7th Warmest
Warmest since:
2018
Ties: 2006, 2013, 2019
Sep 2013–Aug 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: 1923, 1924, 1932, 1944, 1989, 1991, 2010, 2014
Sep 2012–Aug 2017
60-Month
53.7°F
(12.1°C)
53.0°F
(11.7°C)
0.7°F
(0.4°C)
83rd Coolest
Coolest since:
1906, 1981, 1982
41st Warmest
Warmest since:
2020
Ties: 1958, 1987

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