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 3. West

Average Temperature Rankings, April 2010

View Period (Months):
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  • Record Coolest
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  • 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 2010
1-Month
59.0°F
(15.0°C)
51.3°F
(10.7°C)
7.7°F
(4.3°C)
128th Coolest
Coolest since:
2018
1st Warmest
Warmest to Date
2010
Mar–Apr 2010
2-Month
51.0°F
(10.6°C)
45.2°F
(7.3°C)
5.8°F
(3.3°C)
124th Coolest
Coolest since:
1960
5th Warmest
Warmest since:
2012
Feb–Apr 2010
3-Month
41.5°F
(5.3°C)
39.5°F
(4.2°C)
2.0°F
(1.1°C)
100th Coolest
Coolest since:
1899
29th Warmest
Warmest since:
2012
Ties: 2009
Jan–Apr 2010
4-Month
35.9°F
(2.2°C)
35.6°F
(2.0°C)
0.3°F
(0.2°C)
70th Coolest
Coolest since:
1912
59th Warmest
Warmest since:
2012
Ties: 1957
Dec 2009–Apr 2010
5-Month
34.2°F
(1.2°C)
34.2°F
(1.2°C)
0.0°F
(0.0°C)
62nd Coolest
Coolest since:
1978
66th Warmest
Warmest since:
2012
Ties: 1988
Nov 2009–Apr 2010
6-Month
36.3°F
(2.4°C)
35.2°F
(1.8°C)
1.1°F
(0.6°C)
87th Coolest
Coolest since:
1904, 1912, 1978
41st Warmest
Warmest since:
2012
Oct 2009–Apr 2010
7-Month
38.0°F
(3.3°C)
37.9°F
(3.3°C)
0.1°F
(0.0°C)
61st Coolest
Coolest since:
1912
67th Warmest
Warmest since:
2012
Ties: 1896, 1900, 1911, 1913, 2008
Sep 2009–Apr 2010
8-Month
41.4°F
(5.2°C)
41.4°F
(5.2°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1904, 1978
71st Warmest
Warmest since:
2017
Ties: 1901, 1933, 2011
Aug 2009–Apr 2010
9-Month
44.6°F
(7.0°C)
45.0°F
(7.2°C)
-0.4°F
(-0.2°C)
45th Coolest
Coolest since:
1978
83rd Warmest
Warmest since:
2017
Ties: 1930, 1984
Jul 2009–Apr 2010
10-Month
47.2°F
(8.4°C)
48.1°F
(8.9°C)
-0.9°F
(-0.5°C)
31st Coolest
Coolest since:
1904
97th Warmest
Warmest since:
2012
Ties: 1902
Jun 2009–Apr 2010
11-Month
49.5°F
(9.7°C)
50.3°F
(10.2°C)
-0.8°F
(-0.5°C)
35th Coolest
Coolest since:
1904
93rd Warmest
Warmest since:
2017
Ties: 1897, 1958
May 2009–Apr 2010
12-Month
50.6°F
(10.3°C)
51.3°F
(10.7°C)
-0.7°F
(-0.4°C)
34th Coolest
Coolest since:
1918
94th Warmest
Warmest since:
2017
Ties: 1902, 1944, 1952, 1960, 1980, 1986
Nov 2008–Apr 2010
18-Month
45.4°F
(7.4°C)
45.9°F
(7.7°C)
-0.5°F
(-0.3°C)
40th Coolest
Coolest since:
1979
87th Warmest
Warmest since:
2017
Ties: 1937, 1983, 1993
May 2008–Apr 2010
24-Month
50.5°F
(10.3°C)
51.2°F
(10.7°C)
-0.7°F
(-0.4°C)
28th Coolest
Coolest since:
1905
99th Warmest
Warmest since:
2017
Ties: 1927, 1930, 1951, 1983
May 2007–Apr 2010
36-Month
51.1°F
(10.6°C)
51.2°F
(10.7°C)
-0.1°F
(-0.1°C)
50th Coolest
Coolest since:
1979
76th Warmest
Warmest since:
2018
Ties: 1903, 1910, 1911, 1959
May 2006–Apr 2010
48-Month
51.3°F
(10.7°C)
51.2°F
(10.7°C)
0.1°F
(0.0°C)
59th Coolest
Coolest since:
1980
66th Warmest
Warmest since:
1935
Ties: 1931, 1947, 1949, 1986, 2011
May 2005–Apr 2010
60-Month
51.9°F
(11.1°C)
51.3°F
(10.7°C)
0.6°F
(0.4°C)
91st Coolest
Coolest since:
1906, 1979
33rd Warmest
Warmest since:
1935
Ties: 1937, 1945, 1989, 2000, 2005, 2016, 2017

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