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 1925

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1925
1-Month
61.5°F
(16.4°C)
55.3°F
(12.9°C)
6.2°F
(3.5°C)
124th Coolest
Coolest since:
1907
5th Warmest
Warmest since:
1896
Mar–Apr 1925
2-Month
54.8°F
(12.7°C)
50.0°F
(10.0°C)
4.8°F
(2.7°C)
123rd Coolest
Coolest since:
1926, 1960
6th Warmest
Warmest since:
2012
Ties: 1945
Feb–Apr 1925
3-Month
50.1°F
(10.1°C)
45.0°F
(7.2°C)
5.1°F
(2.9°C)
123rd Coolest
Coolest since:
1899
6th Warmest
Warmest to Date
2012
Jan–Apr 1925
4-Month
45.4°F
(7.4°C)
41.4°F
(5.2°C)
4.0°F
(2.2°C)
121st Coolest
Coolest since:
1978
8th Warmest
Warmest since:
2012
Dec 1924–Apr 1925
5-Month
42.4°F
(5.8°C)
40.1°F
(4.5°C)
2.3°F
(1.3°C)
106th Coolest
Coolest since:
1978
22nd Warmest
Warmest since:
2012
Ties: 1991
Nov 1924–Apr 1925
6-Month
43.0°F
(6.1°C)
40.9°F
(4.9°C)
2.1°F
(1.2°C)
107th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
2012
Ties: 1998
Oct 1924–Apr 1925
7-Month
45.7°F
(7.6°C)
43.2°F
(6.2°C)
2.5°F
(1.4°C)
114th Coolest
Coolest since:
1899, 1978
14th Warmest
Warmest since:
2012
Sep 1924–Apr 1925
8-Month
48.0°F
(8.9°C)
46.4°F
(8.0°C)
1.6°F
(0.9°C)
104th Coolest
Coolest since:
1918
24th Warmest
Warmest since:
2017
Ties: 1998, 2004
Aug 1924–Apr 1925
9-Month
51.2°F
(10.7°C)
49.8°F
(9.9°C)
1.4°F
(0.8°C)
102nd Coolest
Coolest since:
1918
26th Warmest
Warmest since:
2017
Ties: 1935, 1938, 1957, 1981
Jul 1924–Apr 1925
10-Month
53.4°F
(11.9°C)
52.6°F
(11.4°C)
0.8°F
(0.5°C)
89th Coolest
Coolest since:
1918
39th Warmest
Warmest since:
2012
Ties: 1909, 1914, 1953, 2013, 2019
Jun 1924–Apr 1925
11-Month
55.1°F
(12.8°C)
54.5°F
(12.5°C)
0.6°F
(0.3°C)
82nd Coolest
Coolest since:
1918
46th Warmest
Warmest since:
2012, 2017
Ties: 1909, 1915, 1945, 1989
May 1924–Apr 1925
12-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
54th Coolest
Coolest since:
1918
74th Warmest
Warmest since:
2012, 2017
Ties: 1897, 1900, 1956, 1985, 1990, 2009
Nov 1923–Apr 1925
18-Month
50.6°F
(10.3°C)
50.5°F
(10.3°C)
0.1°F
(0.0°C)
58th Coolest
Coolest since:
1979
69th Warmest
Warmest since:
2017
Ties: 1921, 1926, 1948, 1998, 2009
May 1923–Apr 1925
24-Month
55.1°F
(12.8°C)
55.3°F
(12.9°C)
-0.2°F
(-0.1°C)
36th Coolest
Coolest since:
1978
91st Warmest
Warmest since:
2017
Ties: 1902, 1903, 1941, 1984
May 1922–Apr 1925
36-Month
55.6°F
(13.1°C)
55.4°F
(13.0°C)
0.2°F
(0.1°C)
69th Coolest
Coolest since:
1979
57th Warmest
Warmest since:
2018
Ties: 1945, 1973, 2016
May 1921–Apr 1925
48-Month
55.9°F
(13.3°C)
55.4°F
(13.0°C)
0.5°F
(0.3°C)
84th Coolest
Coolest since:
1980
41st Warmest
Warmest since:
2019
Ties: 1936, 1941, 1944, 1988, 2010, 2016
May 1920–Apr 1925
60-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
92nd Coolest
Coolest since:
1980, 1981
32nd Warmest
Warmest since:
2020
Ties: 1937, 1941, 1955, 1991, 2000, 2005, 2011

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