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 December 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 5. East

Average Temperature Rankings, May 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
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)
100th 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)
111th 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)
92nd Coolest Coolest since: 1997 1960
36th 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)
113th 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)
110th 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)
115th 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)
117th 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)
117th 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)
121st 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)
122nd 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)
122nd 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)
121st 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)
124th 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)
120th 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)
106th 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
35th 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
31st Warmest Warmest since: 1993 2020
Ties: 1990

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2022, retrieved on January 18, 2022 from https://www.ncdc.noaa.gov/cag/