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


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, April 1998

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1998
1-Month
50.0°F
(10.0°C)
48.3°F
(9.1°C)
1.7°F
(0.9°C)
85th Coolest Coolest since: 1997 2018
41st Warmest Warmest since: 1994 2010
Ties: 1938
Mar–Apr 1998
2-Month
44.0°F
(6.7°C)
42.0°F
(5.6°C)
2.0°F
(1.1°C)
94th Coolest Coolest since: 1997 1926
32nd Warmest Warmest since: 1994 2012
Ties: 1927, 1948, 1994, 2001
Feb–Apr 1998
3-Month
41.7°F
(5.4°C)
36.0°F
(2.2°C)
5.7°F
(3.2°C)
120th Coolest Coolest since: 1997 1912, 2014
6th Warmest Warmest since: 1987 2012
Jan–Apr 1998
4-Month
37.8°F
(3.2°C)
31.9°F
(-0.1°C)
5.9°F
(3.3°C)
121st Coolest Coolest since: 1997 1912
5th Warmest Warmest since: 1987 2012
Ties: 1987
Dec 1997–Apr 1998
5-Month
36.0°F
(2.2°C)
30.6°F
(-0.8°C)
5.4°F
(3.0°C)
121st Coolest Coolest since: 1997 1979
4th Warmest Warmest since: 1921 2012
Nov 1997–Apr 1998
6-Month
35.9°F
(2.2°C)
31.7°F
(-0.2°C)
4.2°F
(2.4°C)
118th Coolest Coolest since: 1997 1912
7th Warmest Warmest since: 1921 2012
Oct 1997–Apr 1998
7-Month
38.3°F
(3.5°C)
34.6°F
(1.4°C)
3.7°F
(2.1°C)
117th Coolest Coolest since: 1997 1912
8th Warmest Warmest since: 1932 2012
Ties: 2006
Sep 1997–Apr 1998
8-Month
41.5°F
(5.3°C)
38.1°F
(3.4°C)
3.4°F
(1.9°C)
114th Coolest Coolest since: 1997 1904, 1912
11th Warmest Warmest since: 1932 2017
Aug 1997–Apr 1998
9-Month
44.5°F
(6.9°C)
41.8°F
(5.4°C)
2.7°F
(1.5°C)
114th Coolest Coolest since: 1997 1904
11th Warmest Warmest since: 1954 2017
Ties: 1942
Jul 1997–Apr 1998
10-Month
47.4°F
(8.6°C)
45.0°F
(7.2°C)
2.4°F
(1.4°C)
114th Coolest Coolest since: 1997 1904
11th Warmest Warmest since: 1954 2012
Ties: 1942
Jun 1997–Apr 1998
11-Month
49.4°F
(9.7°C)
47.2°F
(8.4°C)
2.2°F
(1.3°C)
113th Coolest Coolest since: 1997 1904
12th Warmest Warmest since: 1987 2012, 2017
Ties: 1987
May 1997–Apr 1998
12-Month
49.9°F
(9.9°C)
48.3°F
(9.1°C)
1.6°F
(0.8°C)
107th Coolest Coolest since: 1997 1918
18th Warmest Warmest since: 1992 2012, 2017
Ties: 1922
Nov 1996–Apr 1998
18-Month
43.4°F
(6.3°C)
42.7°F
(5.9°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 1997 1918
39th Warmest Warmest since: 1992 2017
Ties: 1940, 1990
May 1996–Apr 1998
24-Month
48.5°F
(9.2°C)
48.3°F
(9.1°C)
0.2°F
(0.1°C)
72nd Coolest Coolest since: 1997 1905
52nd Warmest Warmest since: 1993 2017
Ties: 1949, 1950, 1985, 2019
May 1995–Apr 1998
36-Month
48.1°F
(8.9°C)
48.2°F
(9.0°C)
-0.1°F
(-0.1°C)
52nd Coolest Coolest since: 1997 1918
71st Warmest Warmest since: 1994 2000
Ties: 1903, 1925
May 1994–Apr 1998
48-Month
48.4°F
(9.1°C)
48.1°F
(8.9°C)
0.3°F
(0.2°C)
66th Coolest Coolest since: 1997 1980
56th Warmest Warmest since: 1995 2002
Ties: 1939, 1947, 1975, 1983, 1994
May 1993–Apr 1998
60-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1997 1920
66th Warmest Warmest since: 1996 2002, 2006
Ties: 1954, 1959, 1977

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published December 2019, retrieved on December 15, 2019 from https://www.ncdc.noaa.gov/cag/