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


Illinois, Climate Division 3. West

Average Temperature Rankings, August 2015

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 2015
1-Month
71.4°F
(21.9°C)
73.6°F
(23.1°C)
-2.2°F
(-1.2°C)
21st Coolest Coolest since: 2009 1915
106th Warmest Warmest since: 2014 1947
Jul–Aug 2015
2-Month
72.6°F
(22.6°C)
74.8°F
(23.8°C)
-2.2°F
(-1.2°C)
14th Coolest Coolest since: 2014 1915
113th Warmest Warmest since: 2013 1936
Jun–Aug 2015
3-Month
72.2°F
(22.3°C)
73.7°F
(23.2°C)
-1.5°F
(-0.9°C)
21st Coolest Coolest since: 2014 1915
106th Warmest Warmest since: 2014 1936
Ties: 1928, 2014
May–Aug 2015
4-Month
70.2°F
(21.2°C)
70.8°F
(21.6°C)
-0.6°F
(-0.4°C)
45th Coolest Coolest since: 2014 1915
82nd Warmest Warmest since: 2013 1934
Ties: 1972, 1973, 2017
Apr–Aug 2015
5-Month
67.1°F
(19.5°C)
67.0°F
(19.4°C)
0.1°F
(0.1°C)
64th Coolest Coolest since: 2014 1907
63rd Warmest Warmest since: 2012 1934
Mar–Aug 2015
6-Month
62.3°F
(16.8°C)
62.3°F
(16.8°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 2014 1950
70th Warmest Warmest since: 2012 2012
Ties: 1937, 1944, 1962, 1974, 2004
Feb–Aug 2015
7-Month
56.0°F
(13.3°C)
57.4°F
(14.1°C)
-1.4°F
(-0.8°C)
23rd Coolest Coolest since: 2014 1904
104th Warmest Warmest since: 2012 2012
Ties: 1923
Jan–Aug 2015
8-Month
52.1°F
(11.2°C)
53.2°F
(11.8°C)
-1.1°F
(-0.6°C)
30th Coolest Coolest since: 2014 1904
97th Warmest Warmest since: 2013 2012
Ties: 1970, 1972, 1994
Dec 2014–Aug 2015
9-Month
49.9°F
(9.9°C)
50.5°F
(10.3°C)
-0.6°F
(-0.4°C)
42nd Coolest Coolest since: 2014 1904
84th Warmest Warmest since: 2013 2012
Ties: 1947
Nov 2014–Aug 2015
10-Month
48.3°F
(9.1°C)
49.5°F
(9.7°C)
-1.2°F
(-0.6°C)
23rd Coolest Coolest since: 2014 1904
103rd Warmest Warmest since: 2013 2012
Ties: 1924, 1926, 2001
Oct 2014–Aug 2015
11-Month
48.7°F
(9.3°C)
49.9°F
(9.9°C)
-1.2°F
(-0.6°C)
23rd Coolest Coolest since: 2014 1904
103rd Warmest Warmest since: 2013 2012
Ties: 1984
Sep 2014–Aug 2015
12-Month
50.0°F
(10.0°C)
51.2°F
(10.7°C)
-1.2°F
(-0.7°C)
23rd Coolest Coolest since: 2014 1904
103rd Warmest Warmest since: 2013 2012
Mar 2014–Aug 2015
18-Month
53.6°F
(12.0°C)
54.9°F
(12.7°C)
-1.3°F
(-0.7°C)
9th Coolest Coolest since: 2014 1904
117th Warmest Warmest since: 2013 2012
Ties: 1917, 1927, 1961, 1970, 1994
Sep 2013–Aug 2015
24-Month
49.3°F
(9.6°C)
51.2°F
(10.7°C)
-1.9°F
(-1.1°C)
6th Coolest Coolest since: 1979 1979
119th Warmest Warmest since: 2014 2017
Sep 2012–Aug 2015
36-Month
49.8°F
(9.9°C)
51.2°F
(10.7°C)
-1.4°F
(-0.8°C)
6th Coolest Coolest since: 1980 1979
118th Warmest Warmest since: 2014 2018
Sep 2011–Aug 2015
48-Month
51.2°F
(10.7°C)
51.2°F
(10.7°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 2011 1905
67th Warmest Warmest since: 2014 1934
Ties: 1947, 1959, 1994, 2011
Sep 2010–Aug 2015
60-Month
51.3°F
(10.7°C)
51.2°F
(10.7°C)
0.1°F
(0.0°C)
61st Coolest Coolest since: 1998 1906
61st Warmest Warmest since: 2014 1934, 1935
Ties: 1911, 1914, 1948, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published October 2020, retrieved on October 29, 2020 from https://www.ncdc.noaa.gov/cag/