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 2008

View Period (Months):
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  • 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 2008
1-Month
53.8°F
(12.1°C)
55.3°F
(12.9°C)
-1.5°F
(-0.8°C)
38th Coolest
Coolest since:
1907
91st Warmest
Warmest since:
1896
Mar–Apr 2008
2-Month
49.2°F
(9.6°C)
50.0°F
(10.0°C)
-0.8°F
(-0.4°C)
50th Coolest
Coolest since:
1926, 1960
79th Warmest
Warmest since:
2012
Ties: 1898, 1941, 1956
Feb–Apr 2008
3-Month
43.8°F
(6.6°C)
44.9°F
(7.2°C)
-1.1°F
(-0.6°C)
46th Coolest
Coolest since:
1899
83rd Warmest
Warmest since:
2012
Jan–Apr 2008
4-Month
40.9°F
(4.9°C)
41.4°F
(5.2°C)
-0.5°F
(-0.3°C)
48th Coolest
Coolest since:
1978
81st Warmest
Warmest since:
2012
Ties: 1928, 1975
Dec 2007–Apr 2008
5-Month
40.1°F
(4.5°C)
40.1°F
(4.5°C)
0.0°F
(0.0°C)
59th Coolest
Coolest since:
1978
69th Warmest
Warmest since:
2012
Ties: 1944, 1966
Nov 2007–Apr 2008
6-Month
41.0°F
(5.0°C)
40.8°F
(4.9°C)
0.2°F
(0.1°C)
56th Coolest
Coolest since:
1912
72nd Warmest
Warmest since:
2012
Ties: 1898, 1930, 1943, 1952, 1973, 1985
Oct 2007–Apr 2008
7-Month
44.0°F
(6.7°C)
43.2°F
(6.2°C)
0.8°F
(0.5°C)
84th Coolest
Coolest since:
1899, 1978
44th Warmest
Warmest since:
2012
Ties: 1964, 1981, 1987
Sep 2007–Apr 2008
8-Month
47.6°F
(8.7°C)
46.5°F
(8.1°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1918
31st Warmest
Warmest since:
2017
Ties: 1909, 1919, 1934, 1938, 1986
Aug 2007–Apr 2008
9-Month
51.5°F
(10.8°C)
49.8°F
(9.9°C)
1.7°F
(0.9°C)
108th Coolest
Coolest since:
1918
20th Warmest
Warmest since:
2017
Ties: 1946, 1991, 2005
Jul 2007–Apr 2008
10-Month
53.9°F
(12.2°C)
52.5°F
(11.4°C)
1.4°F
(0.8°C)
105th Coolest
Coolest since:
1918
23rd Warmest
Warmest since:
2012
Ties: 1946, 1972, 2005
Jun 2007–Apr 2008
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, 2011
May 2007–Apr 2008
12-Month
57.0°F
(13.9°C)
55.4°F
(13.0°C)
1.6°F
(0.9°C)
112th Coolest
Coolest since:
1918
16th Warmest
Warmest since:
2012, 2017
Nov 2006–Apr 2008
18-Month
52.4°F
(11.3°C)
50.5°F
(10.3°C)
1.9°F
(1.0°C)
114th Coolest
Coolest since:
1979
13th Warmest
Warmest since:
2017
Ties: 2018
May 2006–Apr 2008
24-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
109th Coolest
Coolest since:
1978
18th Warmest
Warmest since:
2017
Ties: 1923, 1938, 2021
May 2005–Apr 2008
36-Month
57.1°F
(13.9°C)
55.4°F
(13.0°C)
1.7°F
(0.9°C)
119th Coolest
Coolest since:
1979
7th Warmest
Warmest since:
2018
Ties: 1934, 2012
May 2004–Apr 2008
48-Month
57.0°F
(13.9°C)
55.4°F
(13.0°C)
1.6°F
(0.9°C)
121st Coolest
Coolest since:
1980
4th Warmest
Warmest since:
2019
Ties: 2002, 2013, 2018
May 2003–Apr 2008
60-Month
56.8°F
(13.8°C)
55.3°F
(12.9°C)
1.5°F
(0.9°C)
119th Coolest
Coolest since:
1980, 1981
5th Warmest
Warmest since:
2020
Ties: 1957

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