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 May 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, August 1986

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1986
1-Month
72.6°F
(22.6°C)
76.0°F
(24.4°C)
-3.4°F
(-1.8°C)
8th Coolest Coolest since: 1976 1915
119th Warmest Warmest since: 1985 1936
Ties: 1904, 1976
Jul–Aug 1986
2-Month
76.6°F
(24.8°C)
77.0°F
(25.0°C)
-0.4°F
(-0.2°C)
55th Coolest Coolest since: 1985 1967
72nd Warmest Warmest since: 1983 1936
Ties: 1974
Jun–Aug 1986
3-Month
76.5°F
(24.7°C)
75.9°F
(24.4°C)
0.6°F
(0.3°C)
83rd Coolest Coolest since: 1985 1915, 1927
44th Warmest Warmest since: 1983 1936
Ties: 1899, 1947, 1977, 1999
May–Aug 1986
4-Month
74.1°F
(23.4°C)
73.2°F
(22.9°C)
0.9°F
(0.5°C)
89th Coolest Coolest since: 1985 1967
38th Warmest Warmest since: 1983 1936
Ties: 1993
Apr–Aug 1986
5-Month
71.1°F
(21.7°C)
69.6°F
(20.9°C)
1.5°F
(0.8°C)
102nd Coolest Coolest since: 1985 1907
25th Warmest Warmest since: 1980 2010
Ties: 1921, 1953, 1998, 2005, 2018
Mar–Aug 1986
6-Month
67.2°F
(19.6°C)
65.5°F
(18.6°C)
1.7°F
(1.0°C)
112th Coolest Coolest since: 1985 1904
15th Warmest Warmest since: 1977 2012
Ties: 1918, 1953
Feb–Aug 1986
7-Month
62.8°F
(17.1°C)
61.0°F
(16.1°C)
1.8°F
(1.0°C)
107th Coolest Coolest since: 1985 1904
20th Warmest Warmest since: 1977 2012
Ties: 1952, 2006
Jan–Aug 1986
8-Month
59.2°F
(15.1°C)
57.4°F
(14.1°C)
1.8°F
(1.0°C)
106th Coolest Coolest since: 1985 1912
21st Warmest Warmest since: 1954 2012
Ties: 2002
Dec 1985–Aug 1986
9-Month
55.7°F
(13.2°C)
54.8°F
(12.7°C)
0.9°F
(0.5°C)
86th Coolest Coolest since: 1985 1904
40th Warmest Warmest since: 1983 2012
Ties: 2011, 2018
Nov 1985–Aug 1986
10-Month
54.9°F
(12.7°C)
53.8°F
(12.1°C)
1.1°F
(0.6°C)
98th Coolest Coolest since: 1985 1904
28th Warmest Warmest since: 1983 2012
Ties: 1941, 2004, 2011
Oct 1985–Aug 1986
11-Month
55.3°F
(12.9°C)
54.1°F
(12.3°C)
1.2°F
(0.6°C)
99th Coolest Coolest since: 1985 1904
27th Warmest Warmest since: 1957 2012
Ties: 1938, 2011, 2018, 2020
Sep 1985–Aug 1986
12-Month
56.4°F
(13.6°C)
55.4°F
(13.0°C)
1.0°F
(0.6°C)
94th Coolest Coolest since: 1985 1904
32nd Warmest Warmest since: 1974 2012
Ties: 1925, 1938
Mar 1985–Aug 1986
18-Month
59.6°F
(15.3°C)
58.7°F
(14.8°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1985 1904
33rd Warmest Warmest since: 1974 2012
Ties: 1931, 1974
Sep 1984–Aug 1986
24-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
84th Coolest Coolest since: 1985 1979
41st Warmest Warmest since: 1974 2017
Ties: 1901, 1909, 1931, 1947, 1974
Sep 1983–Aug 1986
36-Month
55.2°F
(12.9°C)
55.3°F
(12.9°C)
-0.1°F
(0.0°C)
44th Coolest Coolest since: 1985 1979
80th Warmest Warmest since: 1983 2018
Ties: 1902, 1914, 1930, 1958, 1964, 1965, 1983
Sep 1982–Aug 1986
48-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
53rd Coolest Coolest since: 1985 1980
70th Warmest Warmest since: 1976 2019
Ties: 1914, 1921, 1931, 1947, 1950, 1953
Sep 1981–Aug 1986
60-Month
55.1°F
(12.8°C)
55.3°F
(12.9°C)
-0.2°F
(-0.1°C)
35th Coolest Coolest since: 1985 1906
87th Warmest Warmest since: 1977 2020
Ties: 1900, 1910, 1913, 1915, 1916, 1921, 1927, 1929, 1951, 1967, 1968

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2021, retrieved on June 18, 2021 from https://www.ncdc.noaa.gov/cag/