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 August 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 6. West Southwest

Average Temperature Rankings, May 1998

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1998
1-Month
68.4°F
(20.2°C)
63.5°F
(17.5°C)
4.9°F
(2.7°C)
115th Coolest Coolest since: 1997 1924
11th Warmest Warmest since: 1991 2018
Apr–May 1998
2-Month
60.9°F
(16.1°C)
58.3°F
(14.6°C)
2.6°F
(1.5°C)
107th Coolest Coolest since: 1997 1907
19th Warmest Warmest since: 1991 1896
Mar–May 1998
3-Month
54.3°F
(12.4°C)
52.7°F
(11.5°C)
1.6°F
(0.9°C)
95th Coolest Coolest since: 1997 1960
31st Warmest Warmest since: 1991 2012
Ties: 1922, 1929
Feb–May 1998
4-Month
51.0°F
(10.6°C)
47.3°F
(8.5°C)
3.7°F
(2.1°C)
116th Coolest Coolest since: 1997 1978
10th Warmest Warmest since: 1991 2012
Jan–May 1998
5-Month
47.5°F
(8.6°C)
43.3°F
(6.3°C)
4.2°F
(2.3°C)
121st Coolest Coolest since: 1997 1978
5th Warmest Warmest since: 1921 2012
Dec 1997–May 1998
6-Month
45.1°F
(7.3°C)
41.3°F
(5.2°C)
3.8°F
(2.1°C)
120th Coolest Coolest since: 1997 1978
5th Warmest Warmest since: 1921 2012
Ties: 2000
Nov 1997–May 1998
7-Month
44.4°F
(6.9°C)
41.5°F
(5.3°C)
2.9°F
(1.6°C)
115th Coolest Coolest since: 1997 1904
10th Warmest Warmest since: 1991 2012
Oct 1997–May 1998
8-Month
45.8°F
(7.7°C)
43.2°F
(6.2°C)
2.6°F
(1.5°C)
115th Coolest Coolest since: 1997 1978
10th Warmest Warmest since: 1991 2012
Ties: 1976, 1999
Sep 1997–May 1998
9-Month
48.2°F
(9.0°C)
45.9°F
(7.7°C)
2.3°F
(1.3°C)
114th Coolest Coolest since: 1997 1904
11th Warmest Warmest since: 1991 2012
Ties: 1954
Aug 1997–May 1998
10-Month
50.7°F
(10.4°C)
48.9°F
(9.4°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 1997 1904
15th Warmest Warmest since: 1991 2012
Jul 1997–May 1998
11-Month
53.0°F
(11.7°C)
51.4°F
(10.8°C)
1.6°F
(0.9°C)
110th Coolest Coolest since: 1997 1904
15th Warmest Warmest since: 1992 2012
Ties: 1992
Jun 1997–May 1998
12-Month
54.5°F
(12.5°C)
53.1°F
(11.7°C)
1.4°F
(0.8°C)
106th Coolest Coolest since: 1997 1904
19th Warmest Warmest since: 1992 2012
Ties: 1914, 1922, 1953, 1976, 2007
Dec 1996–May 1998
18-Month
49.9°F
(9.9°C)
49.2°F
(9.6°C)
0.7°F
(0.3°C)
88th Coolest Coolest since: 1997 1979
36th Warmest Warmest since: 1992 2017
Ties: 1923
Jun 1996–May 1998
24-Month
53.2°F
(11.8°C)
53.2°F
(11.8°C)
0.0°F
(0.0°C)
66th Coolest Coolest since: 1997 1905
58th Warmest Warmest since: 1993 2017
Ties: 1901, 1931, 1948, 1966, 1993
Jun 1995–May 1998
36-Month
52.8°F
(11.6°C)
53.1°F
(11.7°C)
-0.3°F
(-0.1°C)
40th Coolest Coolest since: 1997 1979
83rd Warmest Warmest since: 1994 2018
Ties: 1914, 1931, 1982
Jun 1994–May 1998
48-Month
53.1°F
(11.7°C)
53.1°F
(11.7°C)
0.0°F
(0.0°C)
51st Coolest Coolest since: 1997 1980
71st Warmest Warmest since: 1995 2019
Ties: 1917, 1951, 1965, 1966, 1995
Jun 1993–May 1998
60-Month
52.9°F
(11.6°C)
53.1°F
(11.7°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1997 1906, 1907, 1908
80th Warmest Warmest since: 1996 1957
Ties: 1952, 1984, 1986, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/