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 1. Northwest

Average Temperature Rankings, April 2015

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 2015
1-Month
51.2°F
(10.7°C)
48.3°F
(9.1°C)
2.9°F
(1.6°C)
99th Coolest Coolest since: 2014 2018
27th Warmest Warmest since: 2010 2010
Ties: 1895, 1960
Mar–Apr 2015
2-Month
42.8°F
(6.0°C)
41.9°F
(5.5°C)
0.9°F
(0.5°C)
76th Coolest Coolest since: 2014 1926
50th Warmest Warmest since: 2012 2012
Ties: 1902, 1992, 2011
Feb–Apr 2015
3-Month
33.0°F
(0.6°C)
36.0°F
(2.2°C)
-3.0°F
(-1.6°C)
22nd Coolest Coolest since: 2014 1912, 2014
104th Warmest Warmest since: 2013 2012
Jan–Apr 2015
4-Month
29.9°F
(-1.2°C)
32.0°F
(0.0°C)
-2.1°F
(-1.2°C)
27th Coolest Coolest since: 2014 1912
99th Warmest Warmest since: 2013 2012
Ties: 1900
Dec 2014–Apr 2015
5-Month
29.9°F
(-1.2°C)
30.5°F
(-0.8°C)
-0.6°F
(-0.4°C)
45th Coolest Coolest since: 2014 1979
80th Warmest Warmest since: 2013 2012
Ties: 1956
Nov 2014–Apr 2015
6-Month
30.1°F
(-1.1°C)
31.6°F
(-0.2°C)
-1.5°F
(-0.9°C)
26th Coolest Coolest since: 2014 1912
99th Warmest Warmest since: 2013 2012
Oct 2014–Apr 2015
7-Month
33.1°F
(0.6°C)
34.6°F
(1.4°C)
-1.5°F
(-0.8°C)
22nd Coolest Coolest since: 2014 1912
103rd Warmest Warmest since: 2013 2012
Ties: 1943, 1959
Sep 2014–Apr 2015
8-Month
36.8°F
(2.7°C)
38.2°F
(3.4°C)
-1.4°F
(-0.7°C)
25th Coolest Coolest since: 2014 1904, 1912
100th Warmest Warmest since: 2013 2017
Ties: 1959
Aug 2014–Apr 2015
9-Month
40.6°F
(4.8°C)
41.8°F
(5.4°C)
-1.2°F
(-0.6°C)
23rd Coolest Coolest since: 2014 1904
102nd Warmest Warmest since: 2013 2017
Ties: 1975, 1993, 1996
Jul 2014–Apr 2015
10-Month
43.4°F
(6.3°C)
45.0°F
(7.2°C)
-1.6°F
(-0.9°C)
15th Coolest Coolest since: 2014 1904
110th Warmest Warmest since: 2013 2012
Ties: 1962, 1963, 1993
Jun 2014–Apr 2015
11-Month
45.9°F
(7.7°C)
47.2°F
(8.4°C)
-1.3°F
(-0.7°C)
22nd Coolest Coolest since: 2014 1904
103rd Warmest Warmest since: 2013 2012, 2017
Ties: 1952, 1994
May 2014–Apr 2015
12-Month
47.1°F
(8.4°C)
48.2°F
(9.0°C)
-1.1°F
(-0.6°C)
23rd Coolest Coolest since: 2014 1918
102nd Warmest Warmest since: 2013 2012, 2017
Nov 2013–Apr 2015
18-Month
40.2°F
(4.6°C)
42.7°F
(5.9°C)
-2.5°F
(-1.3°C)
4th Coolest Coolest since: 1979 1918
120th Warmest Warmest since: 2014 2017
May 2013–Apr 2015
24-Month
46.5°F
(8.1°C)
48.2°F
(9.0°C)
-1.7°F
(-0.9°C)
6th Coolest Coolest since: 1979 1905
118th Warmest Warmest since: 2014 2017
Ties: 1917, 1952
May 2012–Apr 2015
36-Month
47.5°F
(8.6°C)
48.2°F
(9.0°C)
-0.7°F
(-0.4°C)
20th Coolest Coolest since: 1980 1918
103rd Warmest Warmest since: 2014 2000
Ties: 1899, 1907, 1962, 1971, 1978
May 2011–Apr 2015
48-Month
48.8°F
(9.3°C)
48.2°F
(9.0°C)
0.6°F
(0.3°C)
85th Coolest Coolest since: 2011 1980
37th Warmest Warmest since: 2014 2002
Ties: 1943, 1976, 1993, 2010, 2011
May 2010–Apr 2015
60-Month
48.9°F
(9.4°C)
48.2°F
(9.0°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 2011 1920
36th Warmest Warmest since: 2014 2002, 2006
Ties: 1924, 1987, 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/