Statewide Rankings

Statewide Data Info
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Illinois

Average Temperature Rankings, August 1991

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  • Record Coolest
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1991
1-Month
74.7°F
(23.7°C)
73.4°F
(23.0°C)
1.3°F
(0.7°C)
97th Coolest
Coolest since:
1915
32nd Warmest
Warmest since:
1947
Ties: 1926, 1935, 1984, 2006, 2018
Jul–Aug 1991
2-Month
75.5°F
(24.2°C)
74.5°F
(23.6°C)
1.0°F
(0.6°C)
94th Coolest
Coolest since:
1915
35th Warmest
Warmest since:
1936
Ties: 1918, 1953
Jun–Aug 1991
3-Month
75.4°F
(24.1°C)
73.5°F
(23.1°C)
1.9°F
(1.0°C)
107th Coolest
Coolest since:
1915
22nd Warmest
Warmest since:
1936
Ties: 1987, 2016
May–Aug 1991
4-Month
73.7°F
(23.2°C)
70.7°F
(21.5°C)
3.0°F
(1.7°C)
124th Coolest
Coolest since:
1915
5th Warmest
Warmest since:
1934, 1936
Apr–Aug 1991
5-Month
70.1°F
(21.2°C)
66.8°F
(19.3°C)
3.3°F
(1.9°C)
126th Coolest
Coolest since:
1907
3rd Warmest
Warmest since:
1934
Ties: 2012
Mar–Aug 1991
6-Month
65.8°F
(18.8°C)
62.3°F
(16.8°C)
3.5°F
(2.0°C)
126th Coolest
Coolest since:
1904, 1950, 1960
3rd Warmest
Warmest since:
2012
Ties: 1921
Feb–Aug 1991
7-Month
61.3°F
(16.3°C)
57.6°F
(14.2°C)
3.7°F
(2.1°C)
126th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2012
Jan–Aug 1991
8-Month
56.5°F
(13.6°C)
53.5°F
(11.9°C)
3.0°F
(1.7°C)
122nd Coolest
Coolest since:
1904, 1912
7th Warmest
Warmest since:
2012
Dec 1990–Aug 1991
9-Month
53.6°F
(12.0°C)
50.9°F
(10.5°C)
2.7°F
(1.5°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Nov 1990–Aug 1991
10-Month
52.9°F
(11.6°C)
49.8°F
(9.9°C)
3.1°F
(1.7°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Oct 1990–Aug 1991
11-Month
52.9°F
(11.6°C)
50.3°F
(10.2°C)
2.6°F
(1.4°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Sep 1990–Aug 1991
12-Month
54.2°F
(12.3°C)
51.7°F
(10.9°C)
2.5°F
(1.4°C)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Ties: 1999, 2006
Mar 1990–Aug 1991
18-Month
56.8°F
(13.8°C)
55.2°F
(12.9°C)
1.6°F
(0.9°C)
110th Coolest
Coolest since:
1904
18th Warmest
Warmest since:
2012
Ties: 1939, 1988
Sep 1989–Aug 1991
24-Month
53.0°F
(11.7°C)
51.6°F
(10.9°C)
1.4°F
(0.8°C)
108th Coolest
Coolest since:
1905
19th Warmest
Warmest since:
2017
Ties: 2016, 2021
Sep 1988–Aug 1991
36-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
95th Coolest
Coolest since:
1979
31st Warmest
Warmest since:
2018
Ties: 1921, 1943, 1957, 1993, 2014
Sep 1987–Aug 1991
48-Month
52.5°F
(11.4°C)
51.6°F
(10.9°C)
0.9°F
(0.5°C)
98th Coolest
Coolest since:
1905
27th Warmest
Warmest since:
2019
Ties: 1924, 1942, 1989, 1990, 2014
Sep 1986–Aug 1991
60-Month
52.8°F
(11.6°C)
51.6°F
(10.9°C)
1.2°F
(0.7°C)
109th Coolest
Coolest since:
1906
15th Warmest
Warmest since:
2020
Ties: 1936, 2022

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