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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, April 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1999
1-Month
58.7°F
(14.8°C)
55.3°F
(12.9°C)
3.4°F
(1.9°C)
102nd Coolest Coolest since: 1998 1907
24th Warmest Warmest since: 1991 1896
Mar–Apr 1999
2-Month
50.2°F
(10.1°C)
49.9°F
(9.9°C)
0.3°F
(0.2°C)
66th Coolest Coolest since: 1998 1926, 1960
60th Warmest Warmest since: 1995 2012
Ties: 1895
Feb–Apr 1999
3-Month
47.7°F
(8.7°C)
44.9°F
(7.2°C)
2.8°F
(1.5°C)
105th Coolest Coolest since: 1998 1899
21st Warmest Warmest since: 1992 2012
Ties: 2006
Jan–Apr 1999
4-Month
44.0°F
(6.7°C)
41.5°F
(5.3°C)
2.5°F
(1.4°C)
105th Coolest Coolest since: 1997 1978
21st Warmest Warmest since: 1998 2012
Ties: 1974, 2002
Dec 1998–Apr 1999
5-Month
42.7°F
(5.9°C)
40.0°F
(4.4°C)
2.7°F
(1.5°C)
109th Coolest Coolest since: 1997 1978
16th Warmest Warmest since: 1998 2012
Ties: 2005
Nov 1998–Apr 1999
6-Month
43.8°F
(6.6°C)
40.9°F
(4.9°C)
2.9°F
(1.7°C)
114th Coolest Coolest since: 1998 1912
11th Warmest Warmest since: 1991 2012
Ties: 1991
Oct 1998–Apr 1999
7-Month
46.1°F
(7.8°C)
43.2°F
(6.2°C)
2.9°F
(1.6°C)
115th Coolest Coolest since: 1998 1899, 1978
10th Warmest Warmest since: 1976 2012
Ties: 2005
Sep 1998–Apr 1999
8-Month
49.5°F
(9.7°C)
46.4°F
(8.0°C)
3.1°F
(1.7°C)
118th Coolest Coolest since: 1998 1918
7th Warmest Warmest since: 1932 2017
Ties: 1921
Aug 1998–Apr 1999
9-Month
52.6°F
(11.4°C)
49.8°F
(9.9°C)
2.8°F
(1.5°C)
119th Coolest Coolest since: 1998 1918
6th Warmest Warmest since: 1932 2017
Jul 1998–Apr 1999
10-Month
55.1°F
(12.8°C)
52.6°F
(11.4°C)
2.5°F
(1.4°C)
118th Coolest Coolest since: 1998 1918
7th Warmest Warmest since: 1932 2012
Jun 1998–Apr 1999
11-Month
56.9°F
(13.8°C)
54.5°F
(12.5°C)
2.4°F
(1.3°C)
117th Coolest Coolest since: 1998 1918
8th Warmest Warmest since: 1955 2012, 2017
Ties: 1955
May 1998–Apr 1999
12-Month
58.0°F
(14.4°C)
55.3°F
(12.9°C)
2.7°F
(1.5°C)
120th Coolest Coolest since: 1998 1918
5th Warmest Warmest since: 1932 2012, 2017
Nov 1997–Apr 1999
18-Month
53.0°F
(11.7°C)
50.5°F
(10.3°C)
2.5°F
(1.4°C)
117th Coolest Coolest since: 1998 1979
7th Warmest Warmest since: 1992 2017
Ties: 1992
May 1997–Apr 1999
24-Month
56.9°F
(13.8°C)
55.4°F
(13.0°C)
1.5°F
(0.8°C)
110th Coolest Coolest since: 1998 1978
14th Warmest Warmest since: 1992 2017
May 1996–Apr 1999
36-Month
56.2°F
(13.4°C)
55.3°F
(12.9°C)
0.9°F
(0.5°C)
98th Coolest Coolest since: 1998 1979
25th Warmest Warmest since: 1992 2018
Ties: 1989, 2009
May 1995–Apr 1999
48-Month
55.7°F
(13.2°C)
55.3°F
(12.9°C)
0.4°F
(0.3°C)
72nd Coolest Coolest since: 1998 1980
50th Warmest Warmest since: 1994 2019
Ties: 1943, 1946, 1948, 1976, 1994
May 1994–Apr 1999
60-Month
55.8°F
(13.2°C)
55.3°F
(12.9°C)
0.5°F
(0.3°C)
76th Coolest Coolest since: 1998 1980, 1981
45th Warmest Warmest since: 1995 1935
Ties: 1932, 1954, 1993, 1995

Citing This Page

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