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 May 2022. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2009
1-Month
27.4°F
(-2.6°C)
28.3°F
(-2.1°C)
-0.9°F
(-0.5°C)
53rd Coolest Coolest since: 2008 1983
75th Warmest Warmest since: 2006 2015
Nov–Dec 2009
2-Month
37.0°F
(2.8°C)
34.2°F
(1.2°C)
2.8°F
(1.6°C)
98th Coolest Coolest since: 2008 2000
30th Warmest Warmest since: 2006 1931
Oct–Dec 2009
3-Month
40.9°F
(4.9°C)
41.0°F
(5.0°C)
-0.1°F
(-0.1°C)
60th Coolest Coolest since: 2008 1976
68th Warmest Warmest since: 2007 1931
Ties: 1952
Sep–Dec 2009
4-Month
47.0°F
(8.3°C)
47.3°F
(8.5°C)
-0.3°F
(-0.2°C)
52nd Coolest Coolest since: 2008 1976
76th Warmest Warmest since: 2007 1931
Ties: 1902
Aug–Dec 2009
5-Month
51.7°F
(10.9°C)
52.6°F
(11.4°C)
-0.9°F
(-0.5°C)
36th Coolest Coolest since: 2008 1976
92nd Warmest Warmest since: 2007 1931
Ties: 1902, 1904, 1909, 1942, 1981
Jul–Dec 2009
6-Month
54.7°F
(12.6°C)
56.4°F
(13.6°C)
-1.7°F
(-1.0°C)
18th Coolest Coolest since: 2000 1976
110th Warmest Warmest since: 2008 1931
Jun–Dec 2009
7-Month
57.2°F
(14.0°C)
58.6°F
(14.8°C)
-1.4°F
(-0.8°C)
21st Coolest Coolest since: 2000 1976
107th Warmest Warmest since: 2008 1931
Ties: 1974, 1993, 2014
May–Dec 2009
8-Month
57.9°F
(14.4°C)
59.1°F
(15.1°C)
-1.2°F
(-0.7°C)
27th Coolest Coolest since: 2008 1917
101st Warmest Warmest since: 2007 1931
Ties: 1926, 1961
Apr–Dec 2009
9-Month
57.1°F
(13.9°C)
58.2°F
(14.6°C)
-1.1°F
(-0.7°C)
28th Coolest Coolest since: 2008 1917
100th Warmest Warmest since: 2007 1931
Ties: 1995, 2013
Mar–Dec 2009
10-Month
55.6°F
(13.1°C)
56.3°F
(13.5°C)
-0.7°F
(-0.4°C)
33rd Coolest Coolest since: 2008 1917
95th Warmest Warmest since: 2007 2012
Ties: 1906, 1929, 1978, 1995
Feb–Dec 2009
11-Month
53.4°F
(11.9°C)
53.7°F
(12.1°C)
-0.3°F
(-0.2°C)
49th Coolest Coolest since: 2008 1917
79th Warmest Warmest since: 2007 2012
Ties: 1915, 1980, 1997
Jan–Dec 2009
12-Month
50.6°F
(10.3°C)
51.2°F
(10.7°C)
-0.6°F
(-0.4°C)
39th Coolest Coolest since: 2008 1917
89th Warmest Warmest since: 2007 2012
Ties: 1898, 1962, 1995
Jul 2008–Dec 2009
18-Month
52.1°F
(11.2°C)
53.0°F
(11.7°C)
-0.9°F
(-0.5°C)
25th Coolest Coolest since: 1997 1904
102nd Warmest Warmest since: 2008 2012
Ties: 1950
Jan 2008–Dec 2009
24-Month
50.3°F
(10.2°C)
51.2°F
(10.7°C)
-0.9°F
(-0.5°C)
17th Coolest Coolest since: 1997 1979
110th Warmest Warmest since: 2008 2017
Ties: 1968, 1969, 1970
Jan 2007–Dec 2009
36-Month
51.2°F
(10.7°C)
51.3°F
(10.7°C)
-0.1°F
(0.0°C)
68th Coolest Coolest since: 1997 1905
58th Warmest Warmest since: 2008 2017
Ties: 1911, 1920, 1930, 1944, 1958, 1964, 1966, 1973, 2014
Jan 2006–Dec 2009
48-Month
51.8°F
(11.0°C)
51.2°F
(10.7°C)
0.6°F
(0.3°C)
84th Coolest Coolest since: 1999 1905
41st Warmest Warmest since: 2008 1934
Ties: 1992, 1993, 1999
Jan 2005–Dec 2009
60-Month
52.1°F
(11.2°C)
51.2°F
(10.7°C)
0.9°F
(0.5°C)
101st Coolest Coolest since: 2004 1905
23rd Warmest Warmest since: 2008 1934
Ties: 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2022, retrieved on June 30, 2022 from https://www.ncei.noaa.gov/cag/