Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 3. West

Average Temperature Rankings, January 2011

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 2011
1-Month
20.6°F
(-6.3°C)
23.8°F
(-4.6°C)
-3.2°F
(-1.7°C)
33rd Coolest
Coolest since:
1977
96th Warmest
Warmest since:
2006
Dec 2010–Jan 2011
2-Month
22.3°F
(-5.4°C)
26.1°F
(-3.3°C)
-3.8°F
(-2.1°C)
24th Coolest
Coolest since:
1918
104th Warmest
Warmest since:
1932
Nov 2010–Jan 2011
3-Month
29.3°F
(-1.5°C)
30.8°F
(-0.7°C)
-1.5°F
(-0.8°C)
39th Coolest
Coolest since:
1977
89th Warmest
Warmest since:
2002
Oct 2010–Jan 2011
4-Month
36.0°F
(2.2°C)
36.7°F
(2.6°C)
-0.7°F
(-0.4°C)
43rd Coolest
Coolest since:
1977
85th Warmest
Warmest since:
1932
Ties: 1897, 1968, 2015
Sep 2010–Jan 2011
5-Month
42.1°F
(5.6°C)
42.6°F
(5.9°C)
-0.5°F
(-0.3°C)
49th Coolest
Coolest since:
1977
79th Warmest
Warmest since:
1932
Ties: 1971
Aug 2010–Jan 2011
6-Month
47.8°F
(8.8°C)
47.8°F
(8.8°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1977
70th Warmest
Warmest since:
1932
Ties: 1917, 1924
Jul 2010–Jan 2011
7-Month
52.0°F
(11.1°C)
51.8°F
(11.0°C)
0.2°F
(0.1°C)
61st Coolest
Coolest since:
1977
67th Warmest
Warmest since:
1932
Ties: 1924, 2003, 2005
Jun 2010–Jan 2011
8-Month
54.8°F
(12.7°C)
54.3°F
(12.4°C)
0.5°F
(0.3°C)
79th Coolest
Coolest since:
1977
49th Warmest
Warmest since:
1932
Ties: 1906, 1909, 1933, 1974, 1976
May 2010–Jan 2011
9-Month
55.7°F
(13.2°C)
55.1°F
(12.8°C)
0.6°F
(0.4°C)
75th Coolest
Coolest since:
1918, 1977
53rd Warmest
Warmest since:
1932
Ties: 1909
Apr 2010–Jan 2011
10-Month
56.1°F
(13.4°C)
54.8°F
(12.7°C)
1.3°F
(0.7°C)
99th Coolest
Coolest since:
1918
29th Warmest
Warmest since:
1932
Ties: 1900
Mar 2010–Jan 2011
11-Month
54.9°F
(12.7°C)
53.4°F
(11.9°C)
1.5°F
(0.8°C)
103rd Coolest
Coolest since:
1918
25th Warmest
Warmest since:
1932, 2013, 2017
Ties: 1919, 1950, 1954, 1964
Feb 2010–Jan 2011
12-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
97th Coolest
Coolest since:
1918
31st Warmest
Warmest since:
1932
Ties: 2005, 2022
Aug 2009–Jan 2011
18-Month
50.2°F
(10.1°C)
50.1°F
(10.1°C)
0.1°F
(0.0°C)
72nd Coolest
Coolest since:
1905, 1918
55th Warmest
Warmest since:
2017
Ties: 1907, 1941, 1953, 1960, 1967, 1974, 1996
Feb 2009–Jan 2011
24-Month
51.4°F
(10.8°C)
51.3°F
(10.7°C)
0.1°F
(0.1°C)
75th Coolest
Coolest since:
1918
52nd Warmest
Warmest since:
1932
Ties: 1938, 1972, 1987
Feb 2008–Jan 2011
36-Month
50.7°F
(10.4°C)
51.2°F
(10.7°C)
-0.5°F
(-0.3°C)
29th Coolest
Coolest since:
1905
97th Warmest
Warmest since:
1933
Ties: 1903, 1908, 1982, 1995
Feb 2007–Jan 2011
48-Month
51.2°F
(10.7°C)
51.2°F
(10.7°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1905
70th Warmest
Warmest since:
1934
Ties: 1966, 1974, 1987, 1999
Feb 2006–Jan 2011
60-Month
51.5°F
(10.8°C)
51.1°F
(10.6°C)
0.4°F
(0.2°C)
72nd Coolest
Coolest since:
1906
52nd Warmest
Warmest since:
1935
Ties: 1947, 1949, 1951, 1995

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