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 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 6. West Southwest

Average Temperature Rankings, April 1998

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
April 1998
1-Month
53.4°F
(11.9°C)
53.0°F
(11.7°C)
0.4°F
(0.2°C)
62nd Coolest Coolest since: 1997 1907
65th Warmest Warmest since: 1994 1896
Ties: 1927, 1931
Mar–Apr 1998
2-Month
47.2°F
(8.4°C)
47.3°F
(8.5°C)
-0.1°F
(-0.1°C)
65th Coolest Coolest since: 1997 1926
62nd Warmest Warmest since: 1995 2012
Ties: 1966
Feb–Apr 1998
3-Month
45.3°F
(7.4°C)
42.0°F
(5.6°C)
3.3°F
(1.8°C)
107th Coolest Coolest since: 1997 1899, 1978
20th Warmest Warmest since: 1992 2012
Jan–Apr 1998
4-Month
42.2°F
(5.7°C)
38.2°F
(3.4°C)
4.0°F
(2.3°C)
117th Coolest Coolest since: 1997 1912
10th Warmest Warmest since: 1992 2012
Dec 1997–Apr 1998
5-Month
40.4°F
(4.7°C)
36.8°F
(2.7°C)
3.6°F
(2.0°C)
116th Coolest Coolest since: 1997 1978
10th Warmest Warmest since: 1992 2012
Ties: 1954, 1976
Nov 1997–Apr 1998
6-Month
40.3°F
(4.6°C)
37.7°F
(3.2°C)
2.6°F
(1.4°C)
109th Coolest Coolest since: 1997 1904, 1912
17th Warmest Warmest since: 1992 2012
Ties: 2004
Oct 1997–Apr 1998
7-Month
42.6°F
(5.9°C)
40.4°F
(4.7°C)
2.2°F
(1.2°C)
110th Coolest Coolest since: 1997 1912
16th Warmest Warmest since: 1995 2012
Ties: 1942, 1974, 1995
Sep 1997–Apr 1998
8-Month
45.7°F
(7.6°C)
43.7°F
(6.5°C)
2.0°F
(1.1°C)
107th Coolest Coolest since: 1997 1904
19th Warmest Warmest since: 1992 2017
Ties: 1972
Aug 1997–Apr 1998
9-Month
48.7°F
(9.3°C)
47.2°F
(8.4°C)
1.5°F
(0.9°C)
104th Coolest Coolest since: 1997 1918
22nd Warmest Warmest since: 1992 2017
Ties: 1948, 1957, 1972, 2020
Jul 1997–Apr 1998
10-Month
51.5°F
(10.8°C)
50.2°F
(10.1°C)
1.3°F
(0.7°C)
103rd Coolest Coolest since: 1997 1918
23rd Warmest Warmest since: 1992 2012
Ties: 1919
Jun 1997–Apr 1998
11-Month
53.3°F
(11.8°C)
52.2°F
(11.2°C)
1.1°F
(0.6°C)
96th Coolest Coolest since: 1997 1904
30th Warmest Warmest since: 1995 2017
Ties: 1995
May 1997–Apr 1998
12-Month
53.8°F
(12.1°C)
53.2°F
(11.8°C)
0.6°F
(0.3°C)
80th Coolest Coolest since: 1997 1918
46th Warmest Warmest since: 1995 2017
Ties: 1966
Nov 1996–Apr 1998
18-Month
48.1°F
(8.9°C)
48.0°F
(8.9°C)
0.1°F
(0.0°C)
60th Coolest Coolest since: 1997 1905
65th Warmest Warmest since: 1995 2017
Ties: 1920, 1921, 1940
May 1996–Apr 1998
24-Month
53.0°F
(11.7°C)
53.1°F
(11.7°C)
-0.1°F
(0.0°C)
48th Coolest Coolest since: 1997 1905
77th Warmest Warmest since: 1995 2017
Ties: 1936, 1941, 1947, 1961
May 1995–Apr 1998
36-Month
52.6°F
(11.4°C)
53.1°F
(11.7°C)
-0.5°F
(-0.3°C)
27th Coolest Coolest since: 1995 1979
97th Warmest Warmest since: 1997 2018
Ties: 1962, 1963, 1982, 1995
May 1994–Apr 1998
48-Month
52.9°F
(11.6°C)
53.1°F
(11.7°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1997 1980
82nd Warmest Warmest since: 1995 2019
Ties: 1909, 1965, 1968, 1973
May 1993–Apr 1998
60-Month
52.8°F
(11.6°C)
53.1°F
(11.7°C)
-0.3°F
(-0.1°C)
34th Coolest Coolest since: 1997 1906
88th Warmest Warmest since: 1996 2020
Ties: 1901, 1911, 1927, 1964, 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2021, retrieved on January 20, 2021 from https://www.ncdc.noaa.gov/cag/