Climate at a Glance

Statewide 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

Average Temperature Rankings, April 1998

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1998
1-Month
52.6°F
(11.4°C)
51.5°F
(10.8°C)
1.1°F
(0.6°C)
78th Coolest Coolest since: 1997 1907
48th Warmest Warmest since: 1994 2010
Ties: 1899, 1912, 1922, 1945
Mar–Apr 1998
2-Month
46.6°F
(8.1°C)
45.6°F
(7.6°C)
1.0°F
(0.5°C)
78th Coolest Coolest since: 1997 1926
48th Warmest Warmest since: 1995 2012
Ties: 1896, 1930
Feb–Apr 1998
3-Month
44.4°F
(6.9°C)
40.2°F
(4.6°C)
4.2°F
(2.3°C)
114th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1991 2012
Ties: 1987
Jan–Apr 1998
4-Month
41.2°F
(5.1°C)
36.4°F
(2.4°C)
4.8°F
(2.7°C)
119th Coolest Coolest since: 1997 1912
7th Warmest Warmest since: 1990 2012
Dec 1997–Apr 1998
5-Month
39.4°F
(4.1°C)
35.1°F
(1.7°C)
4.3°F
(2.4°C)
120th Coolest Coolest since: 1997 1978
5th Warmest Warmest since: 1921 2012
Nov 1997–Apr 1998
6-Month
39.3°F
(4.1°C)
36.1°F
(2.3°C)
3.2°F
(1.8°C)
114th Coolest Coolest since: 1997 1904
11th Warmest Warmest since: 1976 2012
Ties: 1999
Oct 1997–Apr 1998
7-Month
41.5°F
(5.3°C)
38.7°F
(3.7°C)
2.8°F
(1.6°C)
112th Coolest Coolest since: 1997 1904
13th Warmest Warmest since: 1976 2012
Sep 1997–Apr 1998
8-Month
44.6°F
(7.0°C)
42.1°F
(5.6°C)
2.5°F
(1.4°C)
113th Coolest Coolest since: 1997 1904
12th Warmest Warmest since: 1954 2017
Aug 1997–Apr 1998
9-Month
47.5°F
(8.6°C)
45.6°F
(7.6°C)
1.9°F
(1.0°C)
110th Coolest Coolest since: 1997 1904
15th Warmest Warmest since: 1992 2017
Ties: 1939, 1991
Jul 1997–Apr 1998
10-Month
50.3°F
(10.2°C)
48.6°F
(9.2°C)
1.7°F
(1.0°C)
109th Coolest Coolest since: 1997 1904
16th Warmest Warmest since: 1992 2012
Ties: 1974
Jun 1997–Apr 1998
11-Month
52.1°F
(11.2°C)
50.6°F
(10.3°C)
1.5°F
(0.9°C)
104th Coolest Coolest since: 1997 1904
21st Warmest Warmest since: 1992 2017
May 1997–Apr 1998
12-Month
52.6°F
(11.4°C)
51.6°F
(10.9°C)
1.0°F
(0.5°C)
89th Coolest Coolest since: 1997 1918
36th Warmest Warmest since: 1995 2012, 2017
Ties: 1983, 1988, 1995
Nov 1996–Apr 1998
18-Month
46.8°F
(8.2°C)
46.4°F
(8.0°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1997 1905
48th Warmest Warmest since: 1995 2017
Ties: 1938, 1943, 1946, 1957
May 1996–Apr 1998
24-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
55th Coolest Coolest since: 1997 1905
69th Warmest Warmest since: 1995 2017
Ties: 1910, 1941, 1965, 1975
May 1995–Apr 1998
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
39th Coolest Coolest since: 1995 1979
84th Warmest Warmest since: 1997 2018
Ties: 1910, 1929, 1951, 1972
May 1994–Apr 1998
48-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
56th Coolest Coolest since: 1997 1980
66th Warmest Warmest since: 1995 2019
Ties: 1915, 1916, 1946, 1949, 1967
May 1993–Apr 1998
60-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1997 1906
72nd Warmest Warmest since: 1996 1935, 2002
Ties: 1915, 1931, 1953, 1977

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 9, 2019 from https://www.ncdc.noaa.gov/cag/