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


Illinois

Average Temperature Rankings, February 1998

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
February 1998
1-Month
40.0°F
(4.4°C)
29.2°F
(-1.6°C)
10.8°F
(6.0°C)
124th Coolest Coolest since: 1997 1978
2nd Warmest Warmest to Date 2017
Jan–Feb 1998
2-Month
35.9°F
(2.2°C)
27.3°F
(-2.6°C)
8.6°F
(4.8°C)
123rd Coolest Coolest since: 1997 1979
3rd Warmest Warmest since: 1990 2017
Dec 1997–Feb 1998
3-Month
34.6°F
(1.4°C)
28.0°F
(-2.2°C)
6.6°F
(3.6°C)
122nd Coolest Coolest since: 1997 1978
3rd Warmest Warmest since: 1932 1932
Nov 1997–Feb 1998
4-Month
35.6°F
(2.0°C)
31.2°F
(-0.4°C)
4.4°F
(2.4°C)
116th Coolest Coolest since: 1997 1977
9th Warmest Warmest since: 1983 1932
Oct 1997–Feb 1998
5-Month
39.5°F
(4.2°C)
35.9°F
(2.2°C)
3.6°F
(2.0°C)
115th Coolest Coolest since: 1997 1977
10th Warmest Warmest since: 1983 1932
Ties: 2005
Sep 1997–Feb 1998
6-Month
43.9°F
(6.6°C)
40.9°F
(4.9°C)
3.0°F
(1.7°C)
113th Coolest Coolest since: 1997 1977
12th Warmest Warmest since: 1954 1932
Aug 1997–Feb 1998
7-Month
47.8°F
(8.8°C)
45.6°F
(7.6°C)
2.2°F
(1.2°C)
111th Coolest Coolest since: 1997 1977
14th Warmest Warmest since: 1992 1932
Jul 1997–Feb 1998
8-Month
51.2°F
(10.7°C)
49.3°F
(9.6°C)
1.9°F
(1.1°C)
110th Coolest Coolest since: 1997 1977
15th Warmest Warmest since: 1992 1932
Ties: 1942, 1983, 2013
Jun 1997–Feb 1998
9-Month
53.4°F
(11.9°C)
51.8°F
(11.0°C)
1.6°F
(0.9°C)
102nd Coolest Coolest since: 1997 1977
23rd Warmest Warmest since: 1992 1932
Ties: 1922
May 1997–Feb 1998
10-Month
53.8°F
(12.1°C)
52.8°F
(11.6°C)
1.0°F
(0.5°C)
91st Coolest Coolest since: 1997 1918
34th Warmest Warmest since: 1995 1932
Ties: 1915, 1972, 1988, 1995, 2011
Apr 1997–Feb 1998
11-Month
53.2°F
(11.8°C)
52.7°F
(11.5°C)
0.5°F
(0.3°C)
71st Coolest Coolest since: 1997 1918
54th Warmest Warmest since: 1995 1932
Ties: 1933, 1947
Mar 1997–Feb 1998
12-Month
52.4°F
(11.3°C)
51.7°F
(10.9°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 1997 1918
42nd Warmest Warmest since: 1995 2017
Ties: 1921, 1991, 2019
Sep 1996–Feb 1998
18-Month
48.2°F
(9.0°C)
48.1°F
(8.9°C)
0.1°F
(0.1°C)
69th Coolest Coolest since: 1997 1905
55th Warmest Warmest since: 1996 2017
Ties: 1920, 1924, 1926, 2004
Mar 1996–Feb 1998
24-Month
51.3°F
(10.7°C)
51.7°F
(10.9°C)
-0.4°F
(-0.2°C)
42nd Coolest Coolest since: 1997 1905
82nd Warmest Warmest since: 1996 2017
Ties: 1910, 1937, 1960, 1967
Mar 1995–Feb 1998
36-Month
51.3°F
(10.7°C)
51.6°F
(10.9°C)
-0.3°F
(-0.2°C)
40th Coolest Coolest since: 1995 1905, 1918, 1979
83rd Warmest Warmest since: 1997 2013, 2018
Ties: 1902, 1908, 1938, 1959, 1986
Mar 1994–Feb 1998
48-Month
51.7°F
(10.9°C)
51.6°F
(10.9°C)
0.1°F
(0.0°C)
62nd Coolest Coolest since: 1997 1905
60th Warmest Warmest since: 1995 2019
Ties: 1948
Mar 1993–Feb 1998
60-Month
51.4°F
(10.8°C)
51.6°F
(10.9°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1997 1905
80th Warmest Warmest since: 1996 1935, 2002
Ties: 1900, 1901, 1916, 1931, 1961, 1967, 1968, 1985, 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 22, 2020 from https://www.ncdc.noaa.gov/cag/