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 1926

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1926
1-Month
50.1°F
(10.1°C)
55.3°F
(12.9°C)
-5.2°F
(-2.8°C)
5th Coolest
Coolest since:
1907
124th Warmest
Warmest since:
1896
Mar–Apr 1926
2-Month
44.4°F
(6.9°C)
49.9°F
(9.9°C)
-5.5°F
(-3.0°C)
1st Coolest
Coolest since:
1926, 1960
128th Warmest
Warmest since:
2012
Ties: 1960
Feb–Apr 1926
3-Month
42.6°F
(5.9°C)
44.9°F
(7.2°C)
-2.3°F
(-1.3°C)
22nd Coolest
Coolest since:
1899
107th Warmest
Warmest since:
2012
Ties: 1982
Jan–Apr 1926
4-Month
40.2°F
(4.6°C)
41.5°F
(5.3°C)
-1.3°F
(-0.7°C)
35th Coolest
Coolest since:
1978
94th Warmest
Warmest since:
2012
Ties: 1937, 1951, 1985, 2018
Dec 1925–Apr 1926
5-Month
38.6°F
(3.7°C)
40.1°F
(4.5°C)
-1.5°F
(-0.8°C)
24th Coolest
Coolest since:
1978
104th Warmest
Warmest since:
2012
Ties: 1915, 1960, 1969
Nov 1925–Apr 1926
6-Month
39.3°F
(4.1°C)
40.9°F
(4.9°C)
-1.6°F
(-0.8°C)
24th Coolest
Coolest since:
1912
104th Warmest
Warmest since:
2012
Ties: 2001
Oct 1925–Apr 1926
7-Month
40.7°F
(4.8°C)
43.2°F
(6.2°C)
-2.5°F
(-1.4°C)
11th Coolest
Coolest since:
1899, 1978
117th Warmest
Warmest since:
2012
Ties: 1970
Sep 1925–Apr 1926
8-Month
45.1°F
(7.3°C)
46.5°F
(8.1°C)
-1.4°F
(-0.8°C)
21st Coolest
Coolest since:
1918
107th Warmest
Warmest since:
2017
Ties: 1963, 1969
Aug 1925–Apr 1926
9-Month
48.6°F
(9.2°C)
49.8°F
(9.9°C)
-1.2°F
(-0.7°C)
23rd Coolest
Coolest since:
1918
105th Warmest
Warmest since:
2017
Ties: 1969, 1975, 1996
Jul 1925–Apr 1926
10-Month
51.5°F
(10.8°C)
52.6°F
(11.4°C)
-1.1°F
(-0.6°C)
25th Coolest
Coolest since:
1918
103rd Warmest
Warmest since:
2012
Ties: 1962, 1996
Jun 1925–Apr 1926
11-Month
53.8°F
(12.1°C)
54.5°F
(12.5°C)
-0.7°F
(-0.4°C)
32nd Coolest
Coolest since:
1918
96th Warmest
Warmest since:
2012, 2017
Ties: 1920, 1984, 2001
May 1925–Apr 1926
12-Month
54.5°F
(12.5°C)
55.4°F
(13.0°C)
-0.9°F
(-0.5°C)
23rd Coolest
Coolest since:
1918
105th Warmest
Warmest since:
2012, 2017
Ties: 1920, 1984, 2015
Nov 1924–Apr 1926
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, 1925, 1948, 1998, 2009
May 1924–Apr 1926
24-Month
55.0°F
(12.8°C)
55.4°F
(13.0°C)
-0.4°F
(-0.2°C)
32nd Coolest
Coolest since:
1978
95th Warmest
Warmest since:
2017
Ties: 1911, 1937, 1985
May 1923–Apr 1926
36-Month
54.9°F
(12.7°C)
55.3°F
(12.9°C)
-0.4°F
(-0.2°C)
30th Coolest
Coolest since:
1979
96th Warmest
Warmest since:
2018
Ties: 1951, 1968
May 1922–Apr 1926
48-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
49th Coolest
Coolest since:
1980
76th Warmest
Warmest since:
2019
Ties: 1903, 1909, 1915, 1953, 1986, 1998
May 1921–Apr 1926
60-Month
55.6°F
(13.1°C)
55.4°F
(13.0°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1980, 1981
54th Warmest
Warmest since:
2020
Ties: 1940, 1944, 1948, 1949, 1950, 1959, 1994

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