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


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, April 1991

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1991
1-Month
52.4°F
(11.3°C)
48.3°F
(9.1°C)
4.1°F
(2.2°C)
109th Coolest Coolest since: 1990 2018
17th Warmest Warmest since: 1986 2010
Mar–Apr 1991
2-Month
46.0°F
(7.8°C)
42.0°F
(5.6°C)
4.0°F
(2.2°C)
109th Coolest Coolest since: 1990 1926
17th Warmest Warmest since: 1987 2012
Feb–Apr 1991
3-Month
40.5°F
(4.7°C)
36.0°F
(2.2°C)
4.5°F
(2.5°C)
112th Coolest Coolest since: 1990 1912, 2014
14th Warmest Warmest since: 1987 2012
Jan–Apr 1991
4-Month
34.6°F
(1.4°C)
31.9°F
(-0.1°C)
2.7°F
(1.5°C)
103rd Coolest Coolest since: 1989 1912
23rd Warmest Warmest since: 1990 2012
Ties: 1927
Dec 1990–Apr 1991
5-Month
32.6°F
(0.3°C)
30.6°F
(-0.8°C)
2.0°F
(1.1°C)
98th Coolest Coolest since: 1989 1979
27th Warmest Warmest since: 1990 2012
Nov 1990–Apr 1991
6-Month
34.3°F
(1.3°C)
31.7°F
(-0.2°C)
2.6°F
(1.5°C)
103rd Coolest Coolest since: 1990 1912
22nd Warmest Warmest since: 1987 2012
Ties: 1981
Oct 1990–Apr 1991
7-Month
36.5°F
(2.5°C)
34.5°F
(1.4°C)
2.0°F
(1.1°C)
103rd Coolest Coolest since: 1990 1912
22nd Warmest Warmest since: 1987 2012
Sep 1990–Apr 1991
8-Month
40.1°F
(4.5°C)
38.1°F
(3.4°C)
2.0°F
(1.1°C)
104th Coolest Coolest since: 1990 1904, 1912
21st Warmest Warmest since: 1987 2017
Aug 1990–Apr 1991
9-Month
43.6°F
(6.4°C)
41.8°F
(5.4°C)
1.8°F
(1.0°C)
103rd Coolest Coolest since: 1990 1904
22nd Warmest Warmest since: 1987 2017
Jul 1990–Apr 1991
10-Month
46.4°F
(8.0°C)
45.0°F
(7.2°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1990 1904
24th Warmest Warmest since: 1987 2012
Ties: 2007
Jun 1990–Apr 1991
11-Month
48.6°F
(9.2°C)
47.2°F
(8.4°C)
1.4°F
(0.8°C)
102nd Coolest Coolest since: 1990 1904
23rd Warmest Warmest since: 1987 2012, 2017
Ties: 1919, 1955
May 1990–Apr 1991
12-Month
49.2°F
(9.6°C)
48.2°F
(9.0°C)
1.0°F
(0.6°C)
91st Coolest Coolest since: 1990 1918
34th Warmest Warmest since: 1989 2012, 2017
Ties: 1914, 1957, 1974, 1988, 2011
Nov 1989–Apr 1991
18-Month
44.0°F
(6.7°C)
42.7°F
(5.9°C)
1.3°F
(0.8°C)
98th Coolest Coolest since: 1990 1918
26th Warmest Warmest since: 1989 2017
Ties: 1989
May 1989–Apr 1991
24-Month
49.0°F
(9.4°C)
48.2°F
(9.0°C)
0.8°F
(0.4°C)
92nd Coolest Coolest since: 1987 1905
32nd Warmest Warmest since: 1990 2017
Ties: 1934, 1974, 1984, 1987
May 1988–Apr 1991
36-Month
49.2°F
(9.6°C)
48.2°F
(9.0°C)
1.0°F
(0.6°C)
95th Coolest Coolest since: 1990 1918
28th Warmest Warmest since: 1990 2000
Ties: 1922, 1940, 1990
May 1987–Apr 1991
48-Month
49.2°F
(9.6°C)
48.2°F
(9.0°C)
1.0°F
(0.6°C)
95th Coolest Coolest since: 1989 1980
27th Warmest Warmest since: 1990 2002
Ties: 1940, 1989
May 1986–Apr 1991
60-Month
49.4°F
(9.7°C)
48.1°F
(8.9°C)
1.3°F
(0.8°C)
106th Coolest Coolest since: 1990 1920
15th Warmest Warmest since: 1942 2002, 2006
Ties: 1934, 1942, 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/