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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1998

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1998
1-Month
70.1°F
(21.2°C)
65.1°F
(18.4°C)
5.0°F
(2.8°C)
119th Coolest Coolest since: 1997 1917, 1924
7th Warmest Warmest since: 1991 2018
Ties: 1902
Apr–May 1998
2-Month
62.8°F
(17.1°C)
60.2°F
(15.7°C)
2.6°F
(1.4°C)
110th Coolest Coolest since: 1997 1907
16th Warmest Warmest since: 1991 1896
Ties: 1959, 1962, 2015
Mar–May 1998
3-Month
56.7°F
(13.7°C)
55.0°F
(12.8°C)
1.7°F
(0.9°C)
95th Coolest Coolest since: 1997 1960
31st Warmest Warmest since: 1991 2012
Ties: 1922
Feb–May 1998
4-Month
53.2°F
(11.8°C)
49.9°F
(9.9°C)
3.3°F
(1.9°C)
116th Coolest Coolest since: 1997 1978
10th Warmest Warmest since: 1991 2012
Jan–May 1998
5-Month
50.0°F
(10.0°C)
46.1°F
(7.8°C)
3.9°F
(2.2°C)
120th Coolest Coolest since: 1997 1978
6th Warmest Warmest since: 1938 2012
Dec 1997–May 1998
6-Month
47.6°F
(8.7°C)
44.2°F
(6.8°C)
3.4°F
(1.9°C)
118th Coolest Coolest since: 1997 1978
7th Warmest Warmest since: 1932 2012
Nov 1997–May 1998
7-Month
46.9°F
(8.3°C)
44.4°F
(6.9°C)
2.5°F
(1.4°C)
113th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1991 2012
Ties: 1999
Oct 1997–May 1998
8-Month
48.2°F
(9.0°C)
46.0°F
(7.8°C)
2.2°F
(1.2°C)
112th Coolest Coolest since: 1997 1978
13th Warmest Warmest since: 1991 2012
Sep 1997–May 1998
9-Month
50.4°F
(10.2°C)
48.5°F
(9.2°C)
1.9°F
(1.0°C)
111th Coolest Coolest since: 1997 1978
14th Warmest Warmest since: 1991 2012
Ties: 1955, 2002, 2004
Aug 1997–May 1998
10-Month
52.8°F
(11.6°C)
51.3°F
(10.7°C)
1.5°F
(0.9°C)
106th Coolest Coolest since: 1997 1978
19th Warmest Warmest since: 1992 2012
Ties: 2005
Jul 1997–May 1998
11-Month
55.1°F
(12.8°C)
53.7°F
(12.1°C)
1.4°F
(0.7°C)
106th Coolest Coolest since: 1997 1918
19th Warmest Warmest since: 1992 2012
Ties: 1922, 2007
Jun 1997–May 1998
12-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
98th Coolest Coolest since: 1997 1904, 1918
27th Warmest Warmest since: 1992 2012
Ties: 2004
Dec 1996–May 1998
18-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 1997 1979
39th Warmest Warmest since: 1992 2017
Ties: 1914, 1938, 1972, 2004
Jun 1996–May 1998
24-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1997 1905, 1978
70th Warmest Warmest since: 1996 2017
Ties: 1920, 1931, 1967, 1976, 1982, 1996
Jun 1995–May 1998
36-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
44th Coolest Coolest since: 1997 1979
79th Warmest Warmest since: 1996 2018
Ties: 1959, 1965, 1972, 1983, 1994, 1996
Jun 1994–May 1998
48-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
55th Coolest Coolest since: 1997 1980
67th Warmest Warmest since: 1995 2019
Ties: 1910, 1911, 1917
Jun 1993–May 1998
60-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1997 1979, 1980, 1981
70th Warmest Warmest since: 1996 1935, 2019
Ties: 1911, 1917, 1967, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/