Statewide Rankings

Statewide 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

Average Temperature Rankings, August 2011

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • 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
August 2011
1-Month
74.8°F
(23.8°C)
73.4°F
(23.0°C)
1.4°F
(0.8°C)
99th Coolest
Coolest since:
1915
30th Warmest
Warmest since:
1947
Ties: 1998
Jul–Aug 2011
2-Month
77.4°F
(25.2°C)
74.5°F
(23.6°C)
2.9°F
(1.6°C)
117th Coolest
Coolest since:
1915
12th Warmest
Warmest since:
1936
Jun–Aug 2011
3-Month
75.9°F
(24.4°C)
73.5°F
(23.1°C)
2.4°F
(1.3°C)
117th Coolest
Coolest since:
1915
12th Warmest
Warmest since:
1936
May–Aug 2011
4-Month
72.4°F
(22.4°C)
70.6°F
(21.4°C)
1.8°F
(1.0°C)
108th Coolest
Coolest since:
1915
21st Warmest
Warmest since:
1934, 1936
Ties: 1980, 1998
Apr–Aug 2011
5-Month
68.6°F
(20.3°C)
66.8°F
(19.3°C)
1.8°F
(1.0°C)
114th Coolest
Coolest since:
1907
15th Warmest
Warmest since:
1934
Ties: 2005
Mar–Aug 2011
6-Month
64.1°F
(17.8°C)
62.3°F
(16.8°C)
1.8°F
(1.0°C)
115th Coolest
Coolest since:
1904, 1950, 1960
14th Warmest
Warmest since:
2012
Feb–Aug 2011
7-Month
59.2°F
(15.1°C)
57.5°F
(14.2°C)
1.7°F
(0.9°C)
110th Coolest
Coolest since:
1904
19th Warmest
Warmest since:
2012
Ties: 1911, 1946, 1953
Jan–Aug 2011
8-Month
54.7°F
(12.6°C)
53.6°F
(12.0°C)
1.1°F
(0.6°C)
91st Coolest
Coolest since:
1904, 1912
38th Warmest
Warmest since:
2012
Ties: 1939
Dec 2010–Aug 2011
9-Month
51.3°F
(10.7°C)
50.9°F
(10.5°C)
0.4°F
(0.2°C)
74th Coolest
Coolest since:
1904
54th Warmest
Warmest since:
2012
Ties: 2013
Nov 2010–Aug 2011
10-Month
50.5°F
(10.3°C)
49.9°F
(9.9°C)
0.6°F
(0.4°C)
85th Coolest
Coolest since:
1904
43rd Warmest
Warmest since:
2012
Ties: 1925, 1981
Oct 2010–Aug 2011
11-Month
51.0°F
(10.6°C)
50.3°F
(10.2°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1904
44th Warmest
Warmest since:
2012
Ties: 1911
Sep 2010–Aug 2011
12-Month
52.4°F
(11.3°C)
51.6°F
(10.9°C)
0.8°F
(0.4°C)
86th Coolest
Coolest since:
1904
42nd Warmest
Warmest since:
2012
Ties: 1913, 2004
Mar 2010–Aug 2011
18-Month
56.9°F
(13.8°C)
55.2°F
(12.9°C)
1.7°F
(0.9°C)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest since:
2012
Ties: 1921, 1934, 2005
Sep 2009–Aug 2011
24-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
99th Coolest
Coolest since:
1905
28th Warmest
Warmest since:
2017
Ties: 1914
Sep 2008–Aug 2011
36-Month
52.2°F
(11.2°C)
51.6°F
(10.9°C)
0.6°F
(0.3°C)
85th Coolest
Coolest since:
1979
41st Warmest
Warmest since:
2018
Ties: 1936, 1940, 1974
Sep 2007–Aug 2011
48-Month
52.1°F
(11.2°C)
51.6°F
(10.9°C)
0.5°F
(0.3°C)
84th Coolest
Coolest since:
1905
41st Warmest
Warmest since:
2019
Ties: 1937, 1939, 1940, 1943, 1949, 1954, 1976, 1987, 1999
Sep 2006–Aug 2011
60-Month
52.3°F
(11.3°C)
51.6°F
(10.9°C)
0.7°F
(0.4°C)
86th Coolest
Coolest since:
1906
38th Warmest
Warmest since:
2020
Ties: 1943, 1958, 1995, 1999

Citing This Page