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 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 5. East

Average Temperature Rankings, July 1999

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
July 1999
1-Month
77.6°F
(25.3°C)
74.4°F
(23.6°C)
3.2°F
(1.7°C)
117th Coolest Coolest since: 1998 2014
11th Warmest Warmest since: 1983 1936
Ties: 1980
Jun–Jul 1999
2-Month
74.7°F
(23.7°C)
72.4°F
(22.4°C)
2.3°F
(1.3°C)
106th Coolest Coolest since: 1998 1958
22nd Warmest Warmest since: 1991 1934
May–Jul 1999
3-Month
71.2°F
(21.8°C)
68.6°F
(20.3°C)
2.6°F
(1.5°C)
114th Coolest Coolest since: 1998 1924
14th Warmest Warmest since: 1991 1934
Ties: 1914, 1949
Apr–Jul 1999
4-Month
66.6°F
(19.2°C)
63.9°F
(17.7°C)
2.7°F
(1.5°C)
119th Coolest Coolest since: 1998 1907
9th Warmest Warmest since: 1991 1991
Ties: 1933, 1986
Mar–Jul 1999
5-Month
60.6°F
(15.9°C)
58.8°F
(14.9°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 1998 1960
18th Warmest Warmest since: 1998 2012
Ties: 1936, 1998, 2004
Feb–Jul 1999
6-Month
56.4°F
(13.6°C)
53.5°F
(11.9°C)
2.9°F
(1.7°C)
119th Coolest Coolest since: 1997 1904, 1947
9th Warmest Warmest since: 1998 2012
Ties: 2010
Jan–Jul 1999
7-Month
51.6°F
(10.9°C)
49.3°F
(9.6°C)
2.3°F
(1.3°C)
113th Coolest Coolest since: 1997 1912
15th Warmest Warmest since: 1998 2012
Ties: 1938, 1953, 1986, 2020
Dec 1998–Jul 1999
8-Month
49.5°F
(9.7°C)
46.7°F
(8.2°C)
2.8°F
(1.5°C)
118th Coolest Coolest since: 1997 1904
9th Warmest Warmest since: 1998 2012
Ties: 2002
Nov 1998–Jul 1999
9-Month
49.0°F
(9.4°C)
45.9°F
(7.7°C)
3.1°F
(1.7°C)
118th Coolest Coolest since: 1997 1904
9th Warmest Warmest since: 1998 2012
Oct 1998–Jul 1999
10-Month
49.6°F
(9.8°C)
46.6°F
(8.1°C)
3.0°F
(1.7°C)
119th Coolest Coolest since: 1998 1904
8th Warmest Warmest since: 1998 2012
Ties: 1998
Sep 1998–Jul 1999
11-Month
51.6°F
(10.9°C)
48.4°F
(9.1°C)
3.2°F
(1.8°C)
121st Coolest Coolest since: 1998 1904
6th Warmest Warmest since: 1932 2012
Aug 1998–Jul 1999
12-Month
53.4°F
(11.9°C)
50.3°F
(10.2°C)
3.1°F
(1.7°C)
121st Coolest Coolest since: 1998 1904
6th Warmest Warmest since: 1932 2012
Feb 1998–Jul 1999
18-Month
54.6°F
(12.6°C)
51.4°F
(10.8°C)
3.2°F
(1.8°C)
124th Coolest Coolest since: 1998 1918
3rd Warmest Warmest to Date 2012, 2017
Aug 1997–Jul 1999
24-Month
53.0°F
(11.7°C)
50.3°F
(10.2°C)
2.7°F
(1.5°C)
123rd Coolest Coolest since: 1998 1905
3rd Warmest Warmest to Date 2017
Aug 1996–Jul 1999
36-Month
51.8°F
(11.0°C)
50.3°F
(10.2°C)
1.5°F
(0.8°C)
109th Coolest Coolest since: 1998 1904, 1905, 1906
16th Warmest Warmest since: 1992 2018
Ties: 1956, 1992, 2002
Aug 1995–Jul 1999
48-Month
51.1°F
(10.6°C)
50.2°F
(10.1°C)
0.9°F
(0.5°C)
90th Coolest Coolest since: 1998 1905
34th Warmest Warmest since: 1993 2019
Ties: 1924, 1987, 2010
Aug 1994–Jul 1999
60-Month
51.3°F
(10.7°C)
50.3°F
(10.2°C)
1.0°F
(0.5°C)
95th Coolest Coolest since: 1998 1906
28th Warmest Warmest since: 1992 2020
Ties: 1933, 1936, 1990

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2021, retrieved on September 22, 2021 from https://www.ncdc.noaa.gov/cag/