Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 3. West

Average Temperature Rankings, December 1986

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1986
1-Month
31.4°F
(-0.3°C)
28.3°F
(-2.1°C)
3.1°F
(1.8°C)
84th Coolest
Coolest since:
1983
45th Warmest
Warmest since:
2015
Ties: 1956
Nov–Dec 1986
2-Month
33.7°F
(0.9°C)
34.3°F
(1.3°C)
-0.6°F
(-0.4°C)
46th Coolest
Coolest since:
2000
83rd Warmest
Warmest since:
1931
Ties: 1895, 1906
Oct–Dec 1986
3-Month
40.8°F
(4.9°C)
41.0°F
(5.0°C)
-0.2°F
(-0.1°C)
56th Coolest
Coolest since:
1976
73rd Warmest
Warmest since:
1931
Ties: 1904, 1907, 2019
Sep–Dec 1986
4-Month
47.8°F
(8.8°C)
47.3°F
(8.5°C)
0.5°F
(0.3°C)
72nd Coolest
Coolest since:
1976
57th Warmest
Warmest since:
1931
Ties: 1970, 1978
Aug–Dec 1986
5-Month
52.0°F
(11.1°C)
52.5°F
(11.4°C)
-0.5°F
(-0.3°C)
45th Coolest
Coolest since:
1976
84th Warmest
Warmest since:
1931
Jul–Dec 1986
6-Month
56.3°F
(13.5°C)
56.5°F
(13.6°C)
-0.2°F
(-0.1°C)
53rd Coolest
Coolest since:
1976
76th Warmest
Warmest since:
1931
Ties: 1901, 1952, 1991
Jun–Dec 1986
7-Month
58.7°F
(14.8°C)
58.6°F
(14.8°C)
0.1°F
(0.0°C)
59th Coolest
Coolest since:
1976
70th Warmest
Warmest since:
1931
Ties: 1944, 1964, 1978
May–Dec 1986
8-Month
59.4°F
(15.2°C)
59.1°F
(15.1°C)
0.3°F
(0.1°C)
70th Coolest
Coolest since:
1917
59th Warmest
Warmest since:
1931
Ties: 1908, 1920, 1957, 1963, 1970, 1979
Apr–Dec 1986
9-Month
59.0°F
(15.0°C)
58.2°F
(14.6°C)
0.8°F
(0.4°C)
88th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
1931
Ties: 1964
Mar–Dec 1986
10-Month
57.4°F
(14.1°C)
56.3°F
(13.5°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2012
Ties: 1963, 1994, 2017
Feb–Dec 1986
11-Month
54.5°F
(12.5°C)
53.7°F
(12.1°C)
0.8°F
(0.4°C)
90th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2012
Ties: 1957, 1994, 2020
Jan–Dec 1986
12-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
95th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2012
Ties: 1964, 2011
Jul 1985–Dec 1986
18-Month
52.7°F
(11.5°C)
53.0°F
(11.7°C)
-0.3°F
(-0.2°C)
44th Coolest
Coolest since:
1904
84th Warmest
Warmest since:
2012
Ties: 1906, 1909, 1927, 1966, 1994, 2008, 2013
Jan 1985–Dec 1986
24-Month
51.0°F
(10.6°C)
51.2°F
(10.7°C)
-0.2°F
(-0.1°C)
54th Coolest
Coolest since:
1979
74th Warmest
Warmest since:
2017
Ties: 1930, 1937, 1973
Jan 1984–Dec 1986
36-Month
51.1°F
(10.6°C)
51.2°F
(10.7°C)
-0.1°F
(-0.1°C)
54th Coolest
Coolest since:
1905
73rd Warmest
Warmest since:
2017
Ties: 1908, 1910, 1916, 1983
Jan 1983–Dec 1986
48-Month
51.3°F
(10.7°C)
51.2°F
(10.7°C)
0.1°F
(0.0°C)
65th Coolest
Coolest since:
1905
61st Warmest
Warmest since:
1934
Ties: 1913, 1930, 2016
Jan 1982–Dec 1986
60-Month
51.0°F
(10.6°C)
51.2°F
(10.7°C)
-0.2°F
(-0.1°C)
43rd Coolest
Coolest since:
1905
82nd Warmest
Warmest since:
1934
Ties: 1912, 1930, 1960, 1966

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