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 July 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, September 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 2009
1-Month
65.2°F
(18.4°C)
66.1°F
(18.9°C)
-0.9°F
(-0.5°C)
43rd Coolest Coolest since: 2006 1918
83rd Warmest Warmest since: 2008 1931, 1933
Ties: 1907, 1965
Aug–Sep 2009
2-Month
67.8°F
(19.9°C)
69.9°F
(21.1°C)
-2.1°F
(-1.2°C)
14th Coolest Coolest since: 2004 1967
112th Warmest Warmest since: 2008 1936
Ties: 1982, 1999, 2004
Jul–Sep 2009
3-Month
68.5°F
(20.3°C)
71.9°F
(22.2°C)
-3.4°F
(-1.9°C)
4th Coolest Coolest since: 1992 1967
122nd Warmest Warmest since: 2008 1936
Jun–Sep 2009
4-Month
69.5°F
(20.8°C)
71.8°F
(22.1°C)
-2.3°F
(-1.3°C)
10th Coolest Coolest since: 2004 1992
116th Warmest Warmest since: 2008 1936
Ties: 1903, 1951, 1982
May–Sep 2009
5-Month
68.1°F
(20.1°C)
69.9°F
(21.1°C)
-1.8°F
(-1.0°C)
11th Coolest Coolest since: 1992 1924, 1967
115th Warmest Warmest since: 2008 1936
Ties: 1910, 1927, 1966, 1976
Apr–Sep 2009
6-Month
65.1°F
(18.4°C)
66.8°F
(19.3°C)
-1.7°F
(-0.9°C)
15th Coolest Coolest since: 1997 1907
111th Warmest Warmest since: 2008 1936
Mar–Sep 2009
7-Month
61.8°F
(16.6°C)
62.8°F
(17.1°C)
-1.0°F
(-0.5°C)
29th Coolest Coolest since: 2008 1924
97th Warmest Warmest since: 2007 1936
Ties: 1899, 1909
Feb–Sep 2009
8-Month
58.1°F
(14.5°C)
58.5°F
(14.7°C)
-0.4°F
(-0.2°C)
50th Coolest Coolest since: 2008 1904
76th Warmest Warmest since: 2007 2012
Ties: 1901, 1943, 1968, 1974
Jan–Sep 2009
9-Month
53.8°F
(12.1°C)
54.6°F
(12.6°C)
-0.8°F
(-0.5°C)
35th Coolest Coolest since: 2008 1904
91st Warmest Warmest since: 2007 2012
Ties: 1947, 1961, 1963, 1971, 1972, 1975
Dec 2008–Sep 2009
10-Month
50.9°F
(10.5°C)
52.0°F
(11.1°C)
-1.1°F
(-0.6°C)
25th Coolest Coolest since: 2008 1904
100th Warmest Warmest since: 2007 2012
Ties: 1929, 1962
Nov 2008–Sep 2009
11-Month
50.0°F
(10.0°C)
50.9°F
(10.5°C)
-0.9°F
(-0.5°C)
30th Coolest Coolest since: 2008 1904
95th Warmest Warmest since: 2008 2012
Ties: 1907, 1994, 2008
Oct 2008–Sep 2009
12-Month
50.3°F
(10.2°C)
51.3°F
(10.7°C)
-1.0°F
(-0.5°C)
28th Coolest Coolest since: 2003 1904
97th Warmest Warmest since: 2008 2012
Ties: 1907, 1940, 1965, 2001, 2003
Apr 2008–Sep 2009
18-Month
55.4°F
(13.0°C)
56.5°F
(13.6°C)
-1.1°F
(-0.6°C)
22nd Coolest Coolest since: 1997 1904
103rd Warmest Warmest since: 2008 2012
Oct 2007–Sep 2009
24-Month
50.5°F
(10.3°C)
51.2°F
(10.7°C)
-0.7°F
(-0.4°C)
26th Coolest Coolest since: 1997 1979
98th Warmest Warmest since: 2008 2017
Ties: 1902, 1924, 1962, 1963
Oct 2006–Sep 2009
36-Month
51.3°F
(10.7°C)
51.2°F
(10.7°C)
0.1°F
(0.0°C)
70th Coolest Coolest since: 1998 1979
53rd Warmest Warmest since: 2008 2018
Ties: 1937, 1947, 1966, 1974, 1983
Oct 2005–Sep 2009
48-Month
51.8°F
(11.0°C)
51.2°F
(10.7°C)
0.6°F
(0.3°C)
89th Coolest Coolest since: 2004 1905
33rd Warmest Warmest since: 2008 1934
Ties: 1937, 1940, 1954, 1992
Oct 2004–Sep 2009
60-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
105th Coolest Coolest since: 2005 1906, 1982
16th Warmest Warmest since: 2008 1934
Ties: 1925, 1932

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published August 2020, retrieved on August 11, 2020 from https://www.ncdc.noaa.gov/cag/