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 5. East

Average Temperature Rankings, May 1999

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1999
1-Month
64.2°F
(17.9°C)
61.0°F
(16.1°C)
3.2°F
(1.8°C)
98th Coolest Coolest since: 1997 1907
28th Warmest Warmest since: 1998 2018
Ties: 2000, 2001
Apr–May 1999
2-Month
58.5°F
(14.7°C)
55.4°F
(13.0°C)
3.1°F
(1.7°C)
109th Coolest Coolest since: 1997 1907
17th Warmest Warmest since: 1998 1977
Mar–May 1999
3-Month
51.2°F
(10.7°C)
49.7°F
(9.8°C)
1.5°F
(0.9°C)
91st Coolest Coolest since: 1997 1960
35th Warmest Warmest since: 1998 2012
Ties: 1959, 2003, 2015
Feb–May 1999
4-Month
47.3°F
(8.5°C)
44.2°F
(6.8°C)
3.1°F
(1.7°C)
111th Coolest Coolest since: 1997 1978
15th Warmest Warmest since: 1998 2012
Jan–May 1999
5-Month
42.4°F
(5.8°C)
40.1°F
(4.5°C)
2.3°F
(1.3°C)
108th Coolest Coolest since: 1997 1978
18th Warmest Warmest since: 1998 2012
Ties: 1896, 1932
Dec 1998–May 1999
6-Month
41.1°F
(5.1°C)
38.1°F
(3.4°C)
3.0°F
(1.7°C)
113th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1998 2012
Nov 1998–May 1999
7-Month
41.6°F
(5.3°C)
38.3°F
(3.5°C)
3.3°F
(1.8°C)
115th Coolest Coolest since: 1997 1904
10th Warmest Warmest since: 1998 2012
Ties: 2006
Oct 1998–May 1999
8-Month
43.4°F
(6.3°C)
40.2°F
(4.6°C)
3.2°F
(1.7°C)
115th Coolest Coolest since: 1997 1904
10th Warmest Warmest since: 1998 2012
Sep 1998–May 1999
9-Month
46.4°F
(8.0°C)
43.0°F
(6.1°C)
3.4°F
(1.9°C)
119th Coolest Coolest since: 1998 1904
6th Warmest Warmest since: 1932 2012
Aug 1998–May 1999
10-Month
49.2°F
(9.6°C)
45.9°F
(7.7°C)
3.3°F
(1.9°C)
120th Coolest Coolest since: 1998 1904
5th Warmest Warmest since: 1932 2012
Jul 1998–May 1999
11-Month
51.4°F
(10.8°C)
48.5°F
(9.2°C)
2.9°F
(1.6°C)
120th Coolest Coolest since: 1998 1904
5th Warmest Warmest since: 1932 2012
Ties: 2006
Jun 1998–May 1999
12-Month
53.0°F
(11.7°C)
50.3°F
(10.2°C)
2.7°F
(1.5°C)
119th Coolest Coolest since: 1998 1904
6th Warmest Warmest since: 1932 2012
Dec 1997–May 1999
18-Month
49.8°F
(9.9°C)
46.2°F
(7.9°C)
3.6°F
(2.0°C)
122nd Coolest Coolest since: 1998 1905
2nd Warmest Warmest to Date 2017
Jun 1997–May 1999
24-Month
52.7°F
(11.5°C)
50.3°F
(10.2°C)
2.4°F
(1.3°C)
118th Coolest Coolest since: 1998 1905
6th Warmest Warmest since: 1932 2017
Ties: 1932
Jun 1996–May 1999
36-Month
51.6°F
(10.9°C)
50.3°F
(10.2°C)
1.3°F
(0.7°C)
104th Coolest Coolest since: 1998 1905, 1906
19th Warmest Warmest since: 1992 2018
Ties: 1989, 2004, 2014
Jun 1995–May 1999
48-Month
51.1°F
(10.6°C)
50.2°F
(10.1°C)
0.9°F
(0.5°C)
89th Coolest Coolest since: 1998 1905
33rd Warmest Warmest since: 1993 2019
Ties: 1923, 1987, 2015
Jun 1994–May 1999
60-Month
51.2°F
(10.7°C)
50.2°F
(10.1°C)
1.0°F
(0.6°C)
92nd Coolest Coolest since: 1998 1905, 1906, 1908
29th Warmest Warmest since: 1993 2002
Ties: 1990

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/