Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, September 1998

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1998
1-Month
71.9°F
(22.2°C)
67.4°F
(19.7°C)
4.5°F
(2.5°C)
122nd Coolest
Coolest since:
1918
7th Warmest
Warmest since:
1925
Ties: 1960, 2018
Aug–Sep 1998
2-Month
73.6°F
(23.1°C)
70.8°F
(21.6°C)
2.8°F
(1.5°C)
116th Coolest
Coolest since:
1967
13th Warmest
Warmest since:
1936
Ties: 1980
Jul–Sep 1998
3-Month
74.4°F
(23.6°C)
72.6°F
(22.6°C)
1.8°F
(1.0°C)
107th Coolest
Coolest since:
1967
22nd Warmest
Warmest since:
1936
Ties: 1941, 2012
Jun–Sep 1998
4-Month
74.1°F
(23.4°C)
72.6°F
(22.6°C)
1.5°F
(0.8°C)
104th Coolest
Coolest since:
1967
25th Warmest
Warmest since:
1936
Ties: 1911, 1991
May–Sep 1998
5-Month
72.9°F
(22.7°C)
70.7°F
(21.5°C)
2.2°F
(1.2°C)
114th Coolest
Coolest since:
1924
15th Warmest
Warmest since:
1936
Ties: 1911, 1988
Apr–Sep 1998
6-Month
69.7°F
(20.9°C)
67.7°F
(19.8°C)
2.0°F
(1.1°C)
113th Coolest
Coolest since:
1907
16th Warmest
Warmest since:
2010
Ties: 1988
Mar–Sep 1998
7-Month
65.8°F
(18.8°C)
64.0°F
(17.8°C)
1.8°F
(1.0°C)
115th Coolest
Coolest since:
1924
14th Warmest
Warmest since:
2012
Ties: 1955, 1988
Feb–Sep 1998
8-Month
62.7°F
(17.1°C)
59.9°F
(15.5°C)
2.8°F
(1.6°C)
124th Coolest
Coolest since:
1904, 1924
5th Warmest
Warmest since:
2012
Jan–Sep 1998
9-Month
59.6°F
(15.3°C)
56.4°F
(13.6°C)
3.2°F
(1.7°C)
126th Coolest
Coolest since:
1979
3rd Warmest
Warmest since:
2012
Dec 1997–Sep 1998
10-Month
57.0°F
(13.9°C)
53.9°F
(12.2°C)
3.1°F
(1.7°C)
124th Coolest
Coolest since:
1904
4th Warmest
Warmest since:
2012
Nov 1997–Sep 1998
11-Month
55.4°F
(13.0°C)
52.8°F
(11.6°C)
2.6°F
(1.4°C)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Oct 1997–Sep 1998
12-Month
55.4°F
(13.0°C)
53.0°F
(11.7°C)
2.4°F
(1.3°C)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Ties: 2005
Apr 1997–Sep 1998
18-Month
58.8°F
(14.9°C)
57.9°F
(14.4°C)
0.9°F
(0.5°C)
93rd Coolest
Coolest since:
1918
35th Warmest
Warmest since:
2012
Ties: 1919, 1949, 1986
Oct 1996–Sep 1998
24-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
93rd Coolest
Coolest since:
1979
34th Warmest
Warmest since:
2017
Ties: 1931, 1943, 1986, 2001, 2020
Oct 1995–Sep 1998
36-Month
53.0°F
(11.7°C)
53.0°F
(11.7°C)
0.0°F
(0.0°C)
53rd Coolest
Coolest since:
1979
73rd Warmest
Warmest since:
2018
Ties: 1898, 1911, 1925, 1959, 1986
Oct 1994–Sep 1998
48-Month
53.5°F
(11.9°C)
53.0°F
(11.7°C)
0.5°F
(0.2°C)
81st Coolest
Coolest since:
1980
44th Warmest
Warmest since:
2019
Ties: 1949, 1987, 1994, 1999, 2015
Oct 1993–Sep 1998
60-Month
53.2°F
(11.8°C)
53.0°F
(11.7°C)
0.2°F
(0.1°C)
58th Coolest
Coolest since:
1982
66th Warmest
Warmest since:
2020
Ties: 1940, 1947, 1948, 1959, 1975

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