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 8. Southwest

Average Temperature Rankings, April 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
April 2011
1-Month
59.1°F
(15.1°C)
55.3°F
(12.9°C)
3.8°F
(2.2°C)
114th Coolest
Coolest since:
1907
15th Warmest
Warmest since:
1896
Ties: 1941, 1985, 1986
Mar–Apr 2011
2-Month
52.7°F
(11.5°C)
50.0°F
(10.0°C)
2.7°F
(1.5°C)
103rd Coolest
Coolest since:
1926, 1960
26th Warmest
Warmest since:
2012
Feb–Apr 2011
3-Month
47.3°F
(8.5°C)
44.9°F
(7.2°C)
2.4°F
(1.3°C)
102nd Coolest
Coolest since:
1899
27th Warmest
Warmest since:
2012
Ties: 1955, 2004
Jan–Apr 2011
4-Month
42.6°F
(5.9°C)
41.5°F
(5.3°C)
1.1°F
(0.6°C)
84th Coolest
Coolest since:
1978
45th Warmest
Warmest since:
2012
Ties: 1931, 1995, 2009
Dec 2010–Apr 2011
5-Month
39.9°F
(4.4°C)
40.1°F
(4.5°C)
-0.2°F
(-0.1°C)
52nd Coolest
Coolest since:
1978
76th Warmest
Warmest since:
2012
Ties: 1903, 1924, 1988
Nov 2010–Apr 2011
6-Month
41.1°F
(5.1°C)
40.8°F
(4.9°C)
0.3°F
(0.2°C)
64th Coolest
Coolest since:
1912
64th Warmest
Warmest since:
2012
Ties: 1933, 1941
Oct 2010–Apr 2011
7-Month
43.7°F
(6.5°C)
43.3°F
(6.3°C)
0.4°F
(0.2°C)
76th Coolest
Coolest since:
1899, 1978
52nd Warmest
Warmest since:
2012
Ties: 1945, 1966, 2013
Sep 2010–Apr 2011
8-Month
46.9°F
(8.3°C)
46.4°F
(8.0°C)
0.5°F
(0.3°C)
74th Coolest
Coolest since:
1918
54th Warmest
Warmest since:
2017
Ties: 1916, 1945, 1948, 1950
Aug 2010–Apr 2011
9-Month
50.6°F
(10.3°C)
49.8°F
(9.9°C)
0.8°F
(0.4°C)
87th Coolest
Coolest since:
1918
41st Warmest
Warmest since:
2017
Ties: 1901
Jul 2010–Apr 2011
10-Month
53.5°F
(11.9°C)
52.6°F
(11.4°C)
0.9°F
(0.5°C)
92nd Coolest
Coolest since:
1918
36th Warmest
Warmest since:
2012
Ties: 1934, 1995
Jun 2010–Apr 2011
11-Month
55.8°F
(13.2°C)
54.5°F
(12.5°C)
1.3°F
(0.7°C)
103rd Coolest
Coolest since:
1918
25th Warmest
Warmest since:
2012, 2017
Ties: 1934, 1937, 2008
May 2010–Apr 2011
12-Month
56.8°F
(13.8°C)
55.4°F
(13.0°C)
1.4°F
(0.8°C)
107th Coolest
Coolest since:
1918
21st Warmest
Warmest since:
2012, 2017
Ties: 1919, 1921, 1922, 1981
Nov 2009–Apr 2011
18-Month
51.8°F
(11.0°C)
50.5°F
(10.3°C)
1.3°F
(0.7°C)
104th Coolest
Coolest since:
1979
23rd Warmest
Warmest since:
2017
Ties: 2020
May 2009–Apr 2011
24-Month
56.0°F
(13.3°C)
55.4°F
(13.0°C)
0.6°F
(0.3°C)
89th Coolest
Coolest since:
1978
38th Warmest
Warmest since:
2017
Ties: 1946, 1957
May 2008–Apr 2011
36-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
79th Coolest
Coolest since:
1979
47th Warmest
Warmest since:
2018
Ties: 1915, 1946, 1987, 1990, 2010
May 2007–Apr 2011
48-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
95th Coolest
Coolest since:
1980
30th Warmest
Warmest since:
2019
Ties: 1923, 1932, 1937, 1938, 1945, 1989, 2015
May 2006–Apr 2011
60-Month
56.1°F
(13.4°C)
55.3°F
(12.9°C)
0.8°F
(0.5°C)
92nd Coolest
Coolest since:
1980, 1981
32nd Warmest
Warmest since:
2020
Ties: 1925, 1937, 1941, 1955, 1991, 2000, 2005

Citing This Page