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 2001

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 2001
1-Month
57.2°F
(14.0°C)
51.3°F
(10.7°C)
5.9°F
(3.3°C)
122nd Coolest
Coolest since:
2018
7th Warmest
Warmest since:
2010
Ties: 1981
Mar–Apr 2001
2-Month
46.6°F
(8.1°C)
45.3°F
(7.4°C)
1.3°F
(0.7°C)
90th Coolest
Coolest since:
1960
39th Warmest
Warmest since:
2012
Ties: 1896, 1994
Feb–Apr 2001
3-Month
40.3°F
(4.6°C)
39.5°F
(4.2°C)
0.8°F
(0.4°C)
81st Coolest
Coolest since:
1899
48th Warmest
Warmest since:
2012
Ties: 2011
Jan–Apr 2001
4-Month
36.4°F
(2.4°C)
35.6°F
(2.0°C)
0.8°F
(0.4°C)
79th Coolest
Coolest since:
1912
50th Warmest
Warmest since:
2012
Ties: 2007
Dec 2000–Apr 2001
5-Month
32.2°F
(0.1°C)
34.2°F
(1.2°C)
-2.0°F
(-1.1°C)
22nd Coolest
Coolest since:
1978
106th Warmest
Warmest since:
2012
Ties: 1900
Nov 2000–Apr 2001
6-Month
33.0°F
(0.6°C)
35.2°F
(1.8°C)
-2.2°F
(-1.2°C)
18th Coolest
Coolest since:
1904, 1912, 1978
110th Warmest
Warmest since:
2012
Ties: 1940, 1970
Oct 2000–Apr 2001
7-Month
36.5°F
(2.5°C)
38.0°F
(3.3°C)
-1.5°F
(-0.8°C)
24th Coolest
Coolest since:
1912
104th Warmest
Warmest since:
2012
Ties: 1958, 1993, 2015
Sep 2000–Apr 2001
8-Month
40.3°F
(4.6°C)
41.5°F
(5.3°C)
-1.2°F
(-0.7°C)
32nd Coolest
Coolest since:
1904, 1978
96th Warmest
Warmest since:
2017
Aug 2000–Apr 2001
9-Month
44.1°F
(6.7°C)
45.0°F
(7.2°C)
-0.9°F
(-0.5°C)
31st Coolest
Coolest since:
1978
97th Warmest
Warmest since:
2017
Ties: 1897, 1940, 1944
Jul 2000–Apr 2001
10-Month
47.1°F
(8.4°C)
48.1°F
(8.9°C)
-1.0°F
(-0.5°C)
28th Coolest
Coolest since:
1904
100th Warmest
Warmest since:
2012
Ties: 1916, 1959
Jun 2000–Apr 2001
11-Month
49.1°F
(9.5°C)
50.2°F
(10.1°C)
-1.1°F
(-0.6°C)
25th Coolest
Coolest since:
1904
103rd Warmest
Warmest since:
2017
May 2000–Apr 2001
12-Month
50.4°F
(10.2°C)
51.2°F
(10.7°C)
-0.8°F
(-0.5°C)
27th Coolest
Coolest since:
1918
101st Warmest
Warmest since:
2017
Ties: 1917
Nov 1999–Apr 2001
18-Month
47.0°F
(8.3°C)
45.9°F
(7.7°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1979
27th Warmest
Warmest since:
2017
Ties: 1914, 1934
May 1999–Apr 2001
24-Month
52.1°F
(11.2°C)
51.3°F
(10.7°C)
0.8°F
(0.5°C)
99th Coolest
Coolest since:
1905
28th Warmest
Warmest since:
2017
Ties: 1914, 2008
May 1998–Apr 2001
36-Month
52.6°F
(11.4°C)
51.2°F
(10.7°C)
1.4°F
(0.7°C)
110th Coolest
Coolest since:
1979
16th Warmest
Warmest since:
2018
Ties: 1956, 2002
May 1997–Apr 2001
48-Month
52.5°F
(11.4°C)
51.2°F
(10.7°C)
1.3°F
(0.7°C)
116th Coolest
Coolest since:
1980
9th Warmest
Warmest since:
1935
Ties: 1933, 1956, 2018
May 1996–Apr 2001
60-Month
52.0°F
(11.1°C)
51.2°F
(10.7°C)
0.8°F
(0.4°C)
97th Coolest
Coolest since:
1906, 1979
27th Warmest
Warmest since:
1935
Ties: 1924, 1932, 1990, 2012, 2013

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