Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 3. West

Average Temperature Rankings, January 1991

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Warmest/Coolest
Since
Record
January 1991
1-Month
21.1°F
(-6.1°C)
23.8°F
(-4.6°C)
-2.7°F
(-1.5°C)
35th Coolest
Coolest since:
1977
95th Warmest
Warmest since:
2006
Dec 1990–Jan 1991
2-Month
24.5°F
(-4.2°C)
26.1°F
(-3.3°C)
-1.6°F
(-0.9°C)
38th Coolest
Coolest since:
1918
91st Warmest
Warmest since:
1932
Ties: 1961
Nov 1990–Jan 1991
3-Month
31.8°F
(-0.1°C)
30.8°F
(-0.7°C)
1.0°F
(0.6°C)
73rd Coolest
Coolest since:
1977
56th Warmest
Warmest since:
2002
Ties: 1903, 1965
Oct 1990–Jan 1991
4-Month
37.0°F
(2.8°C)
36.8°F
(2.7°C)
0.2°F
(0.1°C)
63rd Coolest
Coolest since:
1977
66th Warmest
Warmest since:
1932
Ties: 1987, 1990
Sep 1990–Jan 1991
5-Month
43.2°F
(6.2°C)
42.6°F
(5.9°C)
0.6°F
(0.3°C)
72nd Coolest
Coolest since:
1977
57th Warmest
Warmest since:
1932
Ties: 1937, 1953, 2004
Aug 1990–Jan 1991
6-Month
48.2°F
(9.0°C)
47.8°F
(8.8°C)
0.4°F
(0.2°C)
70th Coolest
Coolest since:
1977
59th Warmest
Warmest since:
1932
Ties: 1988
Jul 1990–Jan 1991
7-Month
51.9°F
(11.1°C)
51.8°F
(11.0°C)
0.1°F
(0.1°C)
55th Coolest
Coolest since:
1977
74th Warmest
Warmest since:
1932
Ties: 1915, 1961, 1984, 1987, 2019
Jun 1990–Jan 1991
8-Month
54.4°F
(12.4°C)
54.3°F
(12.4°C)
0.1°F
(0.0°C)
58th Coolest
Coolest since:
1977
71st Warmest
Warmest since:
1932
Ties: 1965, 1966, 1967, 2004
May 1990–Jan 1991
9-Month
54.8°F
(12.7°C)
55.2°F
(12.9°C)
-0.4°F
(-0.2°C)
47th Coolest
Coolest since:
1918, 1977
82nd Warmest
Warmest since:
1932
Ties: 1938, 1967, 1985
Apr 1990–Jan 1991
10-Month
54.4°F
(12.4°C)
54.8°F
(12.7°C)
-0.4°F
(-0.3°C)
46th Coolest
Coolest since:
1918
83rd Warmest
Warmest since:
1932
Ties: 1928, 1975
Mar 1990–Jan 1991
11-Month
53.4°F
(11.9°C)
53.4°F
(11.9°C)
0.0°F
(0.0°C)
61st Coolest
Coolest since:
1918
68th Warmest
Warmest since:
1932, 2013, 2017
Ties: 1933, 1980
Feb 1990–Jan 1991
12-Month
51.9°F
(11.1°C)
51.2°F
(10.7°C)
0.7°F
(0.4°C)
88th Coolest
Coolest since:
1918
41st Warmest
Warmest since:
1932
Ties: 1928, 1933, 1949, 1956, 1960, 1995
Aug 1989–Jan 1991
18-Month
50.4°F
(10.2°C)
50.1°F
(10.1°C)
0.3°F
(0.1°C)
77th Coolest
Coolest since:
1905, 1918
51st Warmest
Warmest since:
2017
Ties: 2020
Feb 1989–Jan 1991
24-Month
51.0°F
(10.6°C)
51.2°F
(10.7°C)
-0.2°F
(-0.1°C)
48th Coolest
Coolest since:
1918
80th Warmest
Warmest since:
1932
Ties: 1899, 1902, 1973, 1974
Feb 1988–Jan 1991
36-Month
51.6°F
(10.9°C)
51.2°F
(10.7°C)
0.4°F
(0.2°C)
79th Coolest
Coolest since:
1905
48th Warmest
Warmest since:
1933
Ties: 1914, 1915, 1950, 1954, 1966, 2005
Feb 1987–Jan 1991
48-Month
52.1°F
(11.2°C)
51.2°F
(10.7°C)
0.9°F
(0.5°C)
98th Coolest
Coolest since:
1905
28th Warmest
Warmest since:
1934
Ties: 1937, 1950, 1992, 2005
Feb 1986–Jan 1991
60-Month
52.1°F
(11.2°C)
51.2°F
(10.7°C)
0.9°F
(0.5°C)
104th Coolest
Coolest since:
1906, 1907
21st Warmest
Warmest since:
1935
Ties: 1924, 1932, 1933, 1939, 1941, 1989

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