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


Illinois, Climate Division 5. East

Average Temperature Rankings, August 1998

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
August 1998
1-Month
74.0°F
(23.3°C)
72.1°F
(22.3°C)
1.9°F
(1.0°C)
105th Coolest Coolest since: 1997 1915
21st Warmest Warmest since: 1995 1947
Ties: 1899, 1930, 1991, 2018
Jul–Aug 1998
2-Month
73.9°F
(23.3°C)
73.2°F
(22.9°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 1997 1915
42nd Warmest Warmest since: 1995 1936
Ties: 1952, 1957, 1999, 2001, 2018
Jun–Aug 1998
3-Month
72.9°F
(22.7°C)
72.3°F
(22.4°C)
0.6°F
(0.3°C)
84th Coolest Coolest since: 1997 1915
42nd Warmest Warmest since: 1995 1936
Ties: 1900, 1941, 1993
May–Aug 1998
4-Month
71.4°F
(21.9°C)
69.5°F
(20.8°C)
1.9°F
(1.1°C)
107th Coolest Coolest since: 1997 1915
19th Warmest Warmest since: 1995 1934
Ties: 1953, 1980, 2011
Apr–Aug 1998
5-Month
67.5°F
(19.7°C)
65.6°F
(18.7°C)
1.9°F
(1.0°C)
111th Coolest Coolest since: 1997 1907
15th Warmest Warmest since: 1991 1991
Ties: 1941, 2001
Mar–Aug 1998
6-Month
62.8°F
(17.1°C)
61.0°F
(16.1°C)
1.8°F
(1.0°C)
112th Coolest Coolest since: 1997 1904, 1907
14th Warmest Warmest since: 1991 2012
Ties: 1959, 2011
Feb–Aug 1998
7-Month
59.4°F
(15.2°C)
56.2°F
(13.4°C)
3.2°F
(1.8°C)
121st Coolest Coolest since: 1997 1904
5th Warmest Warmest since: 1991 2012
Jan–Aug 1998
8-Month
55.9°F
(13.3°C)
52.2°F
(11.2°C)
3.7°F
(2.1°C)
123rd Coolest Coolest since: 1997 1904, 1912
3rd Warmest Warmest since: 1921 2012
Dec 1997–Aug 1998
9-Month
53.2°F
(11.8°C)
49.5°F
(9.7°C)
3.7°F
(2.1°C)
121st Coolest Coolest since: 1997 1904
4th Warmest Warmest since: 1921 2012
Nov 1997–Aug 1998
10-Month
51.6°F
(10.9°C)
48.5°F
(9.2°C)
3.1°F
(1.7°C)
117th Coolest Coolest since: 1997 1904
8th Warmest Warmest since: 1991 2012
Oct 1997–Aug 1998
11-Month
51.8°F
(11.0°C)
49.0°F
(9.4°C)
2.8°F
(1.6°C)
117th Coolest Coolest since: 1997 1904
8th Warmest Warmest since: 1991 2012
Sep 1997–Aug 1998
12-Month
52.9°F
(11.6°C)
50.3°F
(10.2°C)
2.6°F
(1.4°C)
117th Coolest Coolest since: 1997 1904
8th Warmest Warmest since: 1991 2012
Ties: 2002, 2006
Mar 1997–Aug 1998
18-Month
55.1°F
(12.8°C)
53.9°F
(12.2°C)
1.2°F
(0.6°C)
97th Coolest Coolest since: 1997 1904
28th Warmest Warmest since: 1995 2012
Ties: 1931
Sep 1996–Aug 1998
24-Month
51.0°F
(10.6°C)
50.3°F
(10.2°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1997 1905
36th Warmest Warmest since: 1992 2017
Ties: 1931, 1943, 1950, 1973, 1986, 1989
Sep 1995–Aug 1998
36-Month
50.3°F
(10.2°C)
50.3°F
(10.2°C)
0.0°F
(0.0°C)
59th Coolest Coolest since: 1997 1904
64th Warmest Warmest since: 1995 2018
Ties: 1946, 1947, 1953, 1959
Sep 1994–Aug 1998
48-Month
50.8°F
(10.4°C)
50.2°F
(10.1°C)
0.6°F
(0.3°C)
75th Coolest Coolest since: 1997 1905
47th Warmest Warmest since: 1995 2019
Ties: 1936, 1950, 1974, 1995
Sep 1993–Aug 1998
60-Month
50.5°F
(10.3°C)
50.3°F
(10.2°C)
0.2°F
(0.1°C)
59th Coolest Coolest since: 1997 1906
62nd Warmest Warmest since: 1995 2002
Ties: 1974, 1977

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published November 2019, retrieved on December 8, 2019 from https://www.ncdc.noaa.gov/cag/