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 2020. For more information, please see Climatological Rankings.


Illinois

Average Temperature Rankings, October 1998

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 1998
1-Month
56.6°F
(13.7°C)
54.6°F
(12.6°C)
2.0°F
(1.1°C)
95th Coolest Coolest since: 1997 1925
32nd Warmest Warmest since: 1984 1963
Ties: 1928
Sep–Oct 1998
2-Month
63.8°F
(17.7°C)
60.5°F
(15.8°C)
3.3°F
(1.9°C)
118th Coolest Coolest since: 1997 1917
9th Warmest Warmest since: 1971 1897, 2016
Ties: 1920, 1939
Aug–Oct 1998
3-Month
67.4°F
(19.7°C)
64.7°F
(18.2°C)
2.7°F
(1.5°C)
118th Coolest Coolest since: 1997 1917
9th Warmest Warmest since: 1971 1947
Ties: 1971
Jul–Oct 1998
4-Month
69.4°F
(20.8°C)
67.4°F
(19.7°C)
2.0°F
(1.1°C)
113th Coolest Coolest since: 1997 1917
14th Warmest Warmest since: 1983 1936
Ties: 1954
Jun–Oct 1998
5-Month
69.9°F
(21.1°C)
68.2°F
(20.1°C)
1.7°F
(1.0°C)
107th Coolest Coolest since: 1997 1917
20th Warmest Warmest since: 1983 1936
Ties: 1938, 1971
May–Oct 1998
6-Month
69.5°F
(20.8°C)
67.2°F
(19.6°C)
2.3°F
(1.2°C)
120th Coolest Coolest since: 1997 1917
7th Warmest Warmest since: 1991 1936
Ties: 1921, 1941, 1991
Apr–Oct 1998
7-Month
67.1°F
(19.5°C)
65.0°F
(18.3°C)
2.1°F
(1.2°C)
118th Coolest Coolest since: 1997 1917
9th Warmest Warmest since: 1991 2010
Ties: 1955, 2005
Mar–Oct 1998
8-Month
63.8°F
(17.7°C)
61.9°F
(16.6°C)
1.9°F
(1.1°C)
117th Coolest Coolest since: 1997 1917
10th Warmest Warmest since: 1991 2012
Feb–Oct 1998
9-Month
61.1°F
(16.2°C)
58.2°F
(14.6°C)
2.9°F
(1.6°C)
122nd Coolest Coolest since: 1997 1917
5th Warmest Warmest since: 1991 2012
Jan–Oct 1998
10-Month
58.2°F
(14.6°C)
54.9°F
(12.7°C)
3.3°F
(1.9°C)
124th Coolest Coolest since: 1997 1904
3rd Warmest Warmest since: 1921 2012
Dec 1997–Oct 1998
11-Month
55.8°F
(13.2°C)
52.6°F
(11.4°C)
3.2°F
(1.8°C)
122nd Coolest Coolest since: 1997 1904
4th Warmest Warmest since: 1921 2012
Nov 1997–Oct 1998
12-Month
54.4°F
(12.4°C)
51.7°F
(10.9°C)
2.7°F
(1.5°C)
121st Coolest Coolest since: 1997 1904
5th Warmest Warmest since: 1921 2012
Ties: 2002
May 1997–Oct 1998
18-Month
58.2°F
(14.6°C)
56.8°F
(13.8°C)
1.4°F
(0.8°C)
106th Coolest Coolest since: 1997 1904
20th Warmest Warmest since: 1991 2012
Ties: 1942, 1953, 1987
Nov 1996–Oct 1998
24-Month
52.5°F
(11.4°C)
51.7°F
(10.9°C)
0.8°F
(0.5°C)
93rd Coolest Coolest since: 1997 1905
32nd Warmest Warmest since: 1992 2017
Ties: 1956
Nov 1995–Oct 1998
36-Month
51.6°F
(10.9°C)
51.6°F
(10.9°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1997 1904, 1979
67th Warmest Warmest since: 1995 2018
Ties: 1910, 1911, 1953
Nov 1994–Oct 1998
48-Month
52.0°F
(11.1°C)
51.6°F
(10.9°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1997 1905
47th Warmest Warmest since: 1994 2019
Ties: 1986, 1987, 1994
Nov 1993–Oct 1998
60-Month
51.8°F
(11.0°C)
51.6°F
(10.9°C)
0.2°F
(0.1°C)
64th Coolest Coolest since: 1997 1905, 1906
58th Warmest Warmest since: 1995 2002, 2020
Ties: 1947, 1953, 1959, 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 17, 2021 from https://www.ncdc.noaa.gov/cag/