Statewide Rankings

Statewide Data Info
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Illinois

Average Temperature Rankings, September 1979

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1979
1-Month
65.7°F
(18.7°C)
66.2°F
(19.0°C)
-0.5°F
(-0.3°C)
53rd Coolest
Coolest since:
1918
76th Warmest
Warmest since:
1925, 1933
Ties: 1901
Aug–Sep 1979
2-Month
69.1°F
(20.6°C)
69.8°F
(21.0°C)
-0.7°F
(-0.4°C)
40th Coolest
Coolest since:
1967
89th Warmest
Warmest since:
1936
Ties: 1952
Jul–Sep 1979
3-Month
70.7°F
(21.5°C)
71.8°F
(22.1°C)
-1.1°F
(-0.6°C)
34th Coolest
Coolest since:
1967
95th Warmest
Warmest since:
1936
Ties: 1945
Jun–Sep 1979
4-Month
71.0°F
(21.7°C)
71.7°F
(22.1°C)
-0.7°F
(-0.4°C)
41st Coolest
Coolest since:
1915, 1924
88th Warmest
Warmest since:
1936
Ties: 1942, 1981
May–Sep 1979
5-Month
69.1°F
(20.6°C)
69.8°F
(21.0°C)
-0.7°F
(-0.4°C)
35th Coolest
Coolest since:
1924
94th Warmest
Warmest since:
1936
Ties: 1920, 1963, 1969, 1982, 1990, 2008, 2014
Apr–Sep 1979
6-Month
65.7°F
(18.7°C)
66.7°F
(19.3°C)
-1.0°F
(-0.6°C)
29th Coolest
Coolest since:
1907
100th Warmest
Warmest since:
2010
Ties: 1918, 1958, 2009
Mar–Sep 1979
7-Month
62.0°F
(16.7°C)
62.9°F
(17.2°C)
-0.9°F
(-0.5°C)
33rd Coolest
Coolest since:
1924
96th Warmest
Warmest since:
2012
Ties: 1927
Feb–Sep 1979
8-Month
56.4°F
(13.6°C)
58.6°F
(14.8°C)
-2.2°F
(-1.2°C)
6th Coolest
Coolest since:
1904
123rd Warmest
Warmest since:
2012
Ties: 1958
Jan–Sep 1979
9-Month
51.6°F
(10.9°C)
55.0°F
(12.8°C)
-3.4°F
(-1.9°C)
3rd Coolest
Coolest since:
1904, 1912
126th Warmest
Warmest since:
2012
Dec 1978–Sep 1979
10-Month
49.3°F
(9.6°C)
52.4°F
(11.3°C)
-3.1°F
(-1.7°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Nov 1978–Sep 1979
11-Month
48.8°F
(9.3°C)
51.4°F
(10.8°C)
-2.6°F
(-1.5°C)
4th Coolest
Coolest since:
1904
124th Warmest
Warmest since:
2012
Oct 1978–Sep 1979
12-Month
49.1°F
(9.5°C)
51.7°F
(10.9°C)
-2.6°F
(-1.4°C)
4th Coolest
Coolest since:
1904
124th Warmest
Warmest since:
2012
Ties: 1978
Apr 1978–Sep 1979
18-Month
55.1°F
(12.8°C)
56.6°F
(13.7°C)
-1.5°F
(-0.9°C)
6th Coolest
Coolest since:
1904, 1918
122nd Warmest
Warmest since:
2012
Oct 1977–Sep 1979
24-Month
49.1°F
(9.5°C)
51.6°F
(10.9°C)
-2.5°F
(-1.4°C)
1st Coolest
Coolest since:
1979
126th Warmest
Warmest since:
2017
Oct 1976–Sep 1979
36-Month
49.5°F
(9.7°C)
51.6°F
(10.9°C)
-2.1°F
(-1.2°C)
1st Coolest
Coolest since:
1979
125th Warmest
Warmest since:
2018
Oct 1975–Sep 1979
48-Month
50.3°F
(10.2°C)
51.6°F
(10.9°C)
-1.3°F
(-0.7°C)
5th Coolest
Coolest since:
1905
120th Warmest
Warmest since:
2019
Ties: 1904, 1906
Oct 1974–Sep 1979
60-Month
50.5°F
(10.3°C)
51.6°F
(10.9°C)
-1.1°F
(-0.6°C)
7th Coolest
Coolest since:
1906
117th Warmest
Warmest since:
2020

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