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 August 2022. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, January 1999

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 1999
1-Month
22.4°F
(-5.3°C)
23.8°F
(-4.6°C)
-1.4°F
(-0.7°C)
41st Coolest Coolest since: 1997 1977
88th Warmest Warmest since: 1998 2006
Ties: 1988
Dec 1998–Jan 1999
2-Month
28.2°F
(-2.1°C)
26.1°F
(-3.3°C)
2.1°F
(1.2°C)
80th Coolest Coolest since: 1997 1918
48th Warmest Warmest since: 1998 1932
Ties: 1909, 1966, 2019
Nov 1998–Jan 1999
3-Month
33.8°F
(1.0°C)
30.8°F
(-0.7°C)
3.0°F
(1.7°C)
103rd Coolest Coolest since: 1998 1977
25th Warmest Warmest since: 1995 2002
Ties: 1953
Oct 1998–Jan 1999
4-Month
39.2°F
(4.0°C)
36.7°F
(2.6°C)
2.5°F
(1.4°C)
105th Coolest Coolest since: 1998 1977
23rd Warmest Warmest since: 1995 1932
Sep 1998–Jan 1999
5-Month
45.5°F
(7.5°C)
42.6°F
(5.9°C)
2.9°F
(1.6°C)
116th Coolest Coolest since: 1998 1977
12th Warmest Warmest since: 1947 1932
Ties: 1921, 2022
Aug 1998–Jan 1999
6-Month
50.5°F
(10.3°C)
47.8°F
(8.8°C)
2.7°F
(1.5°C)
118th Coolest Coolest since: 1998 1977
10th Warmest Warmest since: 1942 1932
Ties: 1923
Jul 1998–Jan 1999
7-Month
54.1°F
(12.3°C)
51.8°F
(11.0°C)
2.3°F
(1.3°C)
115th Coolest Coolest since: 1998 1977
13th Warmest Warmest since: 1989 1932
Ties: 1901, 1954
Jun 1998–Jan 1999
8-Month
56.2°F
(13.4°C)
54.3°F
(12.4°C)
1.9°F
(1.0°C)
109th Coolest Coolest since: 1998 1977
19th Warmest Warmest since: 1989 1932
Ties: 1901
May 1998–Jan 1999
9-Month
57.4°F
(14.1°C)
55.2°F
(12.9°C)
2.2°F
(1.2°C)
115th Coolest Coolest since: 1998 1918, 1977
13th Warmest Warmest since: 1989 1932
Ties: 1923, 1954
Apr 1998–Jan 1999
10-Month
56.9°F
(13.8°C)
54.8°F
(12.7°C)
2.1°F
(1.1°C)
114th Coolest Coolest since: 1998 1918
14th Warmest Warmest since: 1989 1932
Ties: 1923
Mar 1998–Jan 1999
11-Month
55.3°F
(12.9°C)
53.4°F
(11.9°C)
1.9°F
(1.0°C)
108th Coolest Coolest since: 1998 1918
20th Warmest Warmest since: 1992 1932, 2013, 2017
Ties: 1931, 2012, 2022
Feb 1998–Jan 1999
12-Month
53.9°F
(12.2°C)
51.2°F
(10.7°C)
2.7°F
(1.5°C)
121st Coolest Coolest since: 1998 1918
7th Warmest Warmest since: 1939 1932
Ties: 1931
Aug 1997–Jan 1999
18-Month
52.1°F
(11.2°C)
50.1°F
(10.1°C)
2.0°F
(1.1°C)
116th Coolest Coolest since: 1998 1905, 1918
11th Warmest Warmest since: 1955 2017
Ties: 1935, 1939
Feb 1997–Jan 1999
24-Month
52.6°F
(11.4°C)
51.2°F
(10.7°C)
1.4°F
(0.7°C)
109th Coolest Coolest since: 1998 1918
18th Warmest Warmest since: 1992 1932
Ties: 1954, 2012
Feb 1996–Jan 1999
36-Month
51.4°F
(10.8°C)
51.2°F
(10.7°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1998 1905
55th Warmest Warmest since: 1993 1933
Ties: 1965, 1976
Feb 1995–Jan 1999
48-Month
51.2°F
(10.7°C)
51.2°F
(10.7°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1998 1905
70th Warmest Warmest since: 1995 1934
Ties: 1966, 1974, 1987, 2011
Feb 1994–Jan 1999
60-Month
51.3°F
(10.7°C)
51.1°F
(10.6°C)
0.2°F
(0.1°C)
58th Coolest Coolest since: 1998 1906
66th Warmest Warmest since: 1996 1935
Ties: 1917, 1948, 1954, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, Average Temperature, published September 2022, retrieved on October 6, 2022 from https://www.ncdc.noaa.gov/cag/