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 December 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 5. East

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
68.8°F
(20.4°C)
72.1°F
(22.3°C)
-3.3°F
(-1.9°C)
9th Coolest Coolest since: 1967 1915
118th Warmest Warmest since: 1985 1947
Ties: 1902
Jul–Aug 1986
2-Month
72.8°F
(22.7°C)
73.2°F
(22.9°C)
-0.4°F
(-0.2°C)
51st Coolest Coolest since: 1985 1915
76th Warmest Warmest since: 1984 1936
Ties: 1922, 1960, 1984
Jun–Aug 1986
3-Month
72.4°F
(22.4°C)
72.3°F
(22.4°C)
0.1°F
(0.0°C)
65th Coolest Coolest since: 1985 1915
62nd Warmest Warmest since: 1984 1936
Ties: 1918, 1939
May–Aug 1986
4-Month
70.1°F
(21.2°C)
69.5°F
(20.8°C)
0.6°F
(0.4°C)
77th Coolest Coolest since: 1985 1915
50th Warmest Warmest since: 1983 1934
Ties: 1899
Apr–Aug 1986
5-Month
67.0°F
(19.4°C)
65.5°F
(18.6°C)
1.5°F
(0.8°C)
101st Coolest Coolest since: 1985 1907
26th Warmest Warmest since: 1977 1991
Ties: 1949, 2006, 2016, 2018
Mar–Aug 1986
6-Month
62.9°F
(17.2°C)
61.0°F
(16.1°C)
1.9°F
(1.1°C)
114th Coolest Coolest since: 1985 1904, 1907
13th Warmest Warmest since: 1977 2012
Feb–Aug 1986
7-Month
57.6°F
(14.2°C)
56.2°F
(13.4°C)
1.4°F
(0.8°C)
99th Coolest Coolest since: 1985 1904
28th Warmest Warmest since: 1983 2012
Ties: 1911, 1922, 1952, 1973, 2001
Jan–Aug 1986
8-Month
53.8°F
(12.1°C)
52.2°F
(11.2°C)
1.6°F
(0.9°C)
99th Coolest Coolest since: 1985 1904, 1912
28th Warmest Warmest since: 1983 2012
Ties: 1946
Dec 1985–Aug 1986
9-Month
50.0°F
(10.0°C)
49.5°F
(9.7°C)
0.5°F
(0.3°C)
76th Coolest Coolest since: 1985 1904
50th Warmest Warmest since: 1983 2012
Ties: 1925
Nov 1985–Aug 1986
10-Month
49.2°F
(9.6°C)
48.6°F
(9.2°C)
0.6°F
(0.4°C)
85th Coolest Coolest since: 1985 1904
41st Warmest Warmest since: 1983 2012
Ties: 1944, 1946, 1990
Oct 1985–Aug 1986
11-Month
49.7°F
(9.8°C)
48.9°F
(9.4°C)
0.8°F
(0.4°C)
85th Coolest Coolest since: 1985 1904
41st Warmest Warmest since: 1985 2012
Ties: 1913, 1972, 1985, 1990, 1992
Sep 1985–Aug 1986
12-Month
51.1°F
(10.6°C)
50.3°F
(10.2°C)
0.8°F
(0.4°C)
85th Coolest Coolest since: 1985 1904
41st Warmest Warmest since: 1983 2012
Mar 1985–Aug 1986
18-Month
54.8°F
(12.7°C)
53.8°F
(12.1°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 1985 1904
36th Warmest Warmest since: 1983 2012
Ties: 1914, 1935, 1989
Sep 1984–Aug 1986
24-Month
51.0°F
(10.6°C)
50.3°F
(10.2°C)
0.7°F
(0.4°C)
88th Coolest Coolest since: 1985 1905
37th Warmest Warmest since: 1974 2017
Ties: 1931, 1943, 1950, 1973, 1989, 1998
Sep 1983–Aug 1986
36-Month
50.4°F
(10.2°C)
50.3°F
(10.2°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1984 1904
57th Warmest Warmest since: 1985 2018
Ties: 1915, 1966, 1983
Sep 1982–Aug 1986
48-Month
50.9°F
(10.5°C)
50.3°F
(10.2°C)
0.6°F
(0.3°C)
84th Coolest Coolest since: 1985 1905
39th Warmest Warmest since: 1976 2019
Ties: 1941, 1944, 1949, 1954, 1975, 1976, 2011, 2015
Sep 1981–Aug 1986
60-Month
50.4°F
(10.2°C)
50.3°F
(10.2°C)
0.1°F
(0.0°C)
54th Coolest Coolest since: 1985 1906
68th Warmest Warmest since: 1977 2020
Ties: 1940, 1948, 1952, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2021, retrieved on January 28, 2021 from https://www.ncdc.noaa.gov/cag/