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 5. East

Average Temperature Rankings, August 2020

View Period (Months):
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 2020
1-Month
71.7°F
(22.1°C)
72.1°F
(22.3°C)
-0.4°F
(-0.2°C)
51st Coolest
Coolest since:
1915
78th Warmest
Warmest since:
1947
Ties: 1978, 2013
Jul–Aug 2020
2-Month
73.9°F
(23.3°C)
73.2°F
(22.9°C)
0.7°F
(0.4°C)
86th Coolest
Coolest since:
1915
43rd Warmest
Warmest since:
1936
Ties: 1952, 1957, 1998, 1999, 2001
Jun–Aug 2020
3-Month
73.6°F
(23.1°C)
72.3°F
(22.4°C)
1.3°F
(0.7°C)
96th Coolest
Coolest since:
1915
33rd Warmest
Warmest since:
1936
Ties: 1930
May–Aug 2020
4-Month
70.1°F
(21.2°C)
69.5°F
(20.8°C)
0.6°F
(0.4°C)
78th Coolest
Coolest since:
1915
51st Warmest
Warmest since:
1934
Ties: 1899, 1986
Apr–Aug 2020
5-Month
65.7°F
(18.7°C)
65.6°F
(18.7°C)
0.1°F
(0.0°C)
60th Coolest
Coolest since:
1907
69th Warmest
Warmest since:
1991
Ties: 1901, 1956, 1965, 1975, 2000
Mar–Aug 2020
6-Month
61.8°F
(16.6°C)
61.0°F
(16.1°C)
0.8°F
(0.5°C)
84th Coolest
Coolest since:
1904, 1907
45th Warmest
Warmest since:
2012
Ties: 1952, 1983, 2004
Feb–Aug 2020
7-Month
57.3°F
(14.1°C)
56.2°F
(13.4°C)
1.1°F
(0.7°C)
91st Coolest
Coolest since:
1904
38th Warmest
Warmest since:
2012
Ties: 1896, 1931, 1957, 1990
Jan–Aug 2020
8-Month
54.1°F
(12.3°C)
52.2°F
(11.2°C)
1.9°F
(1.1°C)
112th Coolest
Coolest since:
1904, 1912
17th Warmest
Warmest since:
2012
Ties: 1932, 1955, 2000
Dec 2019–Aug 2020
9-Month
51.8°F
(11.0°C)
49.5°F
(9.7°C)
2.3°F
(1.3°C)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest since:
2012
Ties: 1953, 1999
Nov 2019–Aug 2020
10-Month
50.1°F
(10.1°C)
48.5°F
(9.2°C)
1.6°F
(0.9°C)
102nd Coolest
Coolest since:
1904
26th Warmest
Warmest since:
2012
Ties: 1931, 1976
Oct 2019–Aug 2020
11-Month
50.4°F
(10.2°C)
48.9°F
(9.4°C)
1.5°F
(0.8°C)
102nd Coolest
Coolest since:
1904
26th Warmest
Warmest since:
2012
Ties: 1988, 2021
Sep 2019–Aug 2020
12-Month
52.1°F
(11.2°C)
50.3°F
(10.2°C)
1.8°F
(1.0°C)
109th Coolest
Coolest since:
1904
19th Warmest
Warmest since:
2012
Mar 2019–Aug 2020
18-Month
55.1°F
(12.8°C)
53.9°F
(12.2°C)
1.2°F
(0.6°C)
99th Coolest
Coolest since:
1904
29th Warmest
Warmest since:
2012
Ties: 1931, 1998
Sep 2018–Aug 2020
24-Month
51.4°F
(10.8°C)
50.3°F
(10.2°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1905
27th Warmest
Warmest since:
2017
Ties: 2001, 2008
Sep 2017–Aug 2020
36-Month
51.5°F
(10.8°C)
50.3°F
(10.2°C)
1.2°F
(0.6°C)
100th Coolest
Coolest since:
1904
26th Warmest
Warmest since:
2018
Ties: 1991, 2021
Sep 2016–Aug 2020
48-Month
52.2°F
(11.2°C)
50.3°F
(10.2°C)
1.9°F
(1.0°C)
122nd Coolest
Coolest since:
1905
3rd Warmest
Warmest since:
2019
Ties: 2001, 2002, 2007, 2013
Sep 2015–Aug 2020
60-Month
52.6°F
(11.4°C)
50.3°F
(10.2°C)
2.3°F
(1.2°C)
123rd Coolest
Coolest since:
1906
1st Warmest
Warmest to Date
2020

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