Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 5. East

Average Temperature Rankings, August 1991

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
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)
107th Coolest
Coolest since:
1915
22nd Warmest
Warmest since:
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)
107th Coolest
Coolest since:
1915
22nd Warmest
Warmest since:
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)
120th Coolest
Coolest since:
1915
9th Warmest
Warmest since:
1936
May–Aug 1991
4-Month
73.4°F
(23.0°C)
69.5°F
(20.8°C)
3.9°F
(2.2°C)
126th Coolest
Coolest since:
1915
3rd Warmest
Warmest since:
1934
Apr–Aug 1991
5-Month
69.7°F
(20.9°C)
65.5°F
(18.6°C)
4.2°F
(2.3°C)
128th Coolest
Coolest since:
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)
127th Coolest
Coolest since:
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)
127th Coolest
Coolest since:
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)
125th Coolest
Coolest since:
1904, 1912
4th Warmest
Warmest since:
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)
123rd Coolest
Coolest since:
1904
5th Warmest
Warmest since:
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)
125th Coolest
Coolest since:
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)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
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)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
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)
118th Coolest
Coolest since:
1904
10th Warmest
Warmest since:
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)
111th Coolest
Coolest since:
1905
16th Warmest
Warmest since:
2017
Ties: 1987, 2005, 2022
Sep 1988–Aug 1991
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: 2020, 2021
Sep 1987–Aug 1991
48-Month
51.5°F
(10.8°C)
50.3°F
(10.2°C)
1.2°F
(0.6°C)
104th Coolest
Coolest since:
1905
21st Warmest
Warmest since:
2019
Ties: 1989, 2003, 2017, 2021
Sep 1986–Aug 1991
60-Month
51.8°F
(11.0°C)
50.3°F
(10.2°C)
1.5°F
(0.8°C)
117th Coolest
Coolest since:
1906
7th Warmest
Warmest since:
2020
Ties: 1934, 1935, 2003, 2007, 2012

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