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 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, May 1986

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1986
1-Month
61.4°F
(16.3°C)
59.7°F
(15.4°C)
1.7°F
(0.9°C)
82nd Coolest Coolest since: 1984 1907
44th Warmest Warmest since: 1985 1977
Ties: 1993
Apr–May 1986
2-Month
57.1°F
(13.9°C)
54.0°F
(12.2°C)
3.1°F
(1.7°C)
110th Coolest Coolest since: 1984 1907
16th Warmest Warmest since: 1985 1977
Mar–May 1986
3-Month
51.4°F
(10.8°C)
47.9°F
(8.8°C)
3.5°F
(2.0°C)
114th Coolest Coolest since: 1984 1960
12th Warmest Warmest since: 1985 2012
Feb–May 1986
4-Month
44.0°F
(6.7°C)
41.9°F
(5.5°C)
2.1°F
(1.2°C)
102nd Coolest Coolest since: 1984 1947
24th Warmest Warmest since: 1985 2012
Ties: 1922, 1927
Jan–May 1986
5-Month
39.6°F
(4.2°C)
37.5°F
(3.1°C)
2.1°F
(1.1°C)
102nd Coolest Coolest since: 1985 1912
24th Warmest Warmest since: 1976 2012
Ties: 1911, 1934
Dec 1985–May 1986
6-Month
35.4°F
(1.9°C)
35.4°F
(1.9°C)
0.0°F
(0.0°C)
62nd Coolest Coolest since: 1984 1979
63rd Warmest Warmest since: 1985 2012
Ties: 1977
Nov 1985–May 1986
7-Month
35.3°F
(1.8°C)
35.7°F
(2.1°C)
-0.4°F
(-0.3°C)
48th Coolest Coolest since: 1984 1904
77th Warmest Warmest since: 1985 2012
Ties: 1897, 1900, 1958, 2009
Oct 1985–May 1986
8-Month
37.4°F
(3.0°C)
37.7°F
(3.2°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1984 1912
80th Warmest Warmest since: 1985 2012
Ties: 1923, 1927, 1969
Sep 1985–May 1986
9-Month
40.4°F
(4.7°C)
40.6°F
(4.8°C)
-0.2°F
(-0.1°C)
54th Coolest Coolest since: 1984 1904
71st Warmest Warmest since: 1985 2012
Ties: 1930, 1980
Aug 1985–May 1986
10-Month
43.2°F
(6.2°C)
43.7°F
(6.5°C)
-0.5°F
(-0.3°C)
43rd Coolest Coolest since: 1984 1904
82nd Warmest Warmest since: 1985 2012
Ties: 1950
Jul 1985–May 1986
11-Month
45.8°F
(7.7°C)
46.3°F
(7.9°C)
-0.5°F
(-0.2°C)
37th Coolest Coolest since: 1982 1904
88th Warmest Warmest since: 1985 2012
Ties: 1925, 1947, 1975
Jun 1985–May 1986
12-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
36th Coolest Coolest since: 1982 1904
89th Warmest Warmest since: 1985 2012
Ties: 1958, 1965, 1971
Dec 1984–May 1986
18-Month
44.0°F
(6.7°C)
44.0°F
(6.7°C)
0.0°F
(0.0°C)
59th Coolest Coolest since: 1985 1918
65th Warmest Warmest since: 1984 2017
Ties: 1943, 1946, 1972, 2019
Jun 1984–May 1986
24-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1983 1905
57th Warmest Warmest since: 1985 2017
Ties: 1975, 2009, 2010
Jun 1983–May 1986
36-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
68th Coolest Coolest since: 1984 1905, 1918, 1979
55th Warmest Warmest since: 1985 2000
Ties: 1902, 1947, 1958, 1966, 1973, 1975, 1998
Jun 1982–May 1986
48-Month
48.5°F
(9.2°C)
48.2°F
(9.0°C)
0.3°F
(0.2°C)
73rd Coolest Coolest since: 1985 1980
49th Warmest Warmest since: 1976 2001, 2002, 2007
Ties: 1936, 1938, 1974, 1975, 1994
Jun 1981–May 1986
60-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1983 1907, 1908
65th Warmest Warmest since: 1985 2002
Ties: 1974

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/