Climate at a Glance

Divisional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 5. East

Average Temperature Rankings, August 1991

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
August 1991
1-Month
74.0°F
(23.3°C)
72.1°F
(22.3°C)
1.9°F
(1.0°C)
105th Coolest Coolest since: 1990 1915
21st Warmest Warmest since: 1988 1947
Ties: 1899, 1930, 1998, 2018
Jul–Aug 1991
2-Month
75.0°F
(23.9°C)
73.2°F
(22.9°C)
1.8°F
(1.0°C)
104th Coolest Coolest since: 1990 1915
22nd Warmest Warmest since: 1988 1936
Ties: 1900
Jun–Aug 1991
3-Month
75.0°F
(23.9°C)
72.3°F
(22.4°C)
2.7°F
(1.5°C)
117th Coolest Coolest since: 1990 1915
9th Warmest Warmest since: 1988 1936
May–Aug 1991
4-Month
73.4°F
(23.0°C)
69.5°F
(20.8°C)
3.9°F
(2.2°C)
123rd Coolest Coolest since: 1990 1915
3rd Warmest Warmest since: 1936 1934
Apr–Aug 1991
5-Month
69.7°F
(20.9°C)
65.5°F
(18.6°C)
4.2°F
(2.3°C)
125th Coolest Coolest since: 1990 1907
1st Warmest Warmest to Date 1991
Mar–Aug 1991
6-Month
65.1°F
(18.4°C)
61.0°F
(16.1°C)
4.1°F
(2.3°C)
124th Coolest Coolest since: 1990 1904, 1907
2nd Warmest Warmest to Date 2012
Feb–Aug 1991
7-Month
60.5°F
(15.8°C)
56.3°F
(13.5°C)
4.2°F
(2.3°C)
124th Coolest Coolest since: 1990 1904
2nd Warmest Warmest to Date 2012
Jan–Aug 1991
8-Month
55.7°F
(13.2°C)
52.1°F
(11.2°C)
3.6°F
(2.0°C)
122nd Coolest Coolest since: 1990 1904, 1912
4th Warmest Warmest since: 1921 2012
Ties: 2017
Dec 1990–Aug 1991
9-Month
52.9°F
(11.6°C)
49.5°F
(9.7°C)
3.4°F
(1.9°C)
120th Coolest Coolest since: 1990 1904
5th Warmest Warmest since: 1921 2012
Nov 1990–Aug 1991
10-Month
52.2°F
(11.2°C)
48.5°F
(9.2°C)
3.7°F
(2.0°C)
122nd Coolest Coolest since: 1990 1904
3rd Warmest Warmest to Date 2012
Oct 1990–Aug 1991
11-Month
52.2°F
(11.2°C)
49.0°F
(9.4°C)
3.2°F
(1.8°C)
119th Coolest Coolest since: 1990 1904
6th Warmest Warmest since: 1932 2012
Sep 1990–Aug 1991
12-Month
53.4°F
(11.9°C)
50.3°F
(10.2°C)
3.1°F
(1.7°C)
119th Coolest Coolest since: 1990 1904
6th Warmest Warmest since: 1932 2012
Mar 1990–Aug 1991
18-Month
55.9°F
(13.3°C)
53.8°F
(12.1°C)
2.1°F
(1.2°C)
115th Coolest Coolest since: 1990 1904
10th Warmest Warmest since: 1987 2012
Ties: 1922
Sep 1989–Aug 1991
24-Month
52.0°F
(11.1°C)
50.3°F
(10.2°C)
1.7°F
(0.9°C)
108th Coolest Coolest since: 1990 1905
16th Warmest Warmest since: 1988 2017
Ties: 1987, 2005
Sep 1988–Aug 1991
36-Month
51.5°F
(10.8°C)
50.3°F
(10.2°C)
1.2°F
(0.6°C)
98th Coolest Coolest since: 1990 1904
25th Warmest Warmest since: 1989 2018
Sep 1987–Aug 1991
48-Month
51.5°F
(10.8°C)
50.3°F
(10.2°C)
1.2°F
(0.6°C)
103rd Coolest Coolest since: 1990 1905
19th Warmest Warmest since: 1989 2019
Ties: 1989, 2003, 2017
Sep 1986–Aug 1991
60-Month
51.8°F
(11.0°C)
50.3°F
(10.2°C)
1.5°F
(0.8°C)
116th Coolest Coolest since: 1990 1906
5th Warmest Warmest since: 1935 2002
Ties: 1934, 1935, 2003, 2007, 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2020, retrieved on January 19, 2020 from https://www.ncdc.noaa.gov/cag/