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 1980

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1980
1-Month
53.5°F
(11.9°C)
55.3°F
(12.9°C)
-1.8°F
(-1.0°C)
26th Coolest
Coolest since:
1907
103rd Warmest
Warmest since:
1896
Ties: 1984, 2020
Mar–Apr 1980
2-Month
46.8°F
(8.2°C)
50.0°F
(10.0°C)
-3.2°F
(-1.8°C)
12th Coolest
Coolest since:
1926, 1960
117th Warmest
Warmest since:
2012
Ties: 1904, 2013, 2018
Feb–Apr 1980
3-Month
40.5°F
(4.7°C)
44.9°F
(7.2°C)
-4.4°F
(-2.5°C)
7th Coolest
Coolest since:
1899
122nd Warmest
Warmest since:
2012
Jan–Apr 1980
4-Month
38.4°F
(3.6°C)
41.5°F
(5.3°C)
-3.1°F
(-1.7°C)
14th Coolest
Coolest since:
1978
115th Warmest
Warmest since:
2012
Ties: 1918, 1960
Dec 1979–Apr 1980
5-Month
38.1°F
(3.4°C)
40.1°F
(4.5°C)
-2.0°F
(-1.1°C)
17th Coolest
Coolest since:
1978
111th Warmest
Warmest since:
2012
Ties: 1958, 1962, 1977
Nov 1979–Apr 1980
6-Month
39.0°F
(3.9°C)
40.9°F
(4.9°C)
-1.9°F
(-1.0°C)
21st Coolest
Coolest since:
1912
107th Warmest
Warmest since:
2012
Oct 1979–Apr 1980
7-Month
41.6°F
(5.3°C)
43.2°F
(6.2°C)
-1.6°F
(-0.9°C)
21st Coolest
Coolest since:
1899, 1978
107th Warmest
Warmest since:
2012
Ties: 1996
Sep 1979–Apr 1980
8-Month
44.8°F
(7.1°C)
46.4°F
(8.0°C)
-1.6°F
(-0.9°C)
18th Coolest
Coolest since:
1918
110th Warmest
Warmest since:
2017
Ties: 1960
Aug 1979–Apr 1980
9-Month
48.2°F
(9.0°C)
49.7°F
(9.8°C)
-1.5°F
(-0.8°C)
18th Coolest
Coolest since:
1918
110th Warmest
Warmest since:
2017
Jul 1979–Apr 1980
10-Month
51.1°F
(10.6°C)
52.6°F
(11.4°C)
-1.5°F
(-0.8°C)
16th Coolest
Coolest since:
1918
112th Warmest
Warmest since:
2012
Ties: 1902, 1993
Jun 1979–Apr 1980
11-Month
53.2°F
(11.8°C)
54.6°F
(12.6°C)
-1.4°F
(-0.8°C)
17th Coolest
Coolest since:
1918
111th Warmest
Warmest since:
2012, 2017
Ties: 1975
May 1979–Apr 1980
12-Month
54.0°F
(12.2°C)
55.4°F
(13.0°C)
-1.4°F
(-0.8°C)
17th Coolest
Coolest since:
1918
111th Warmest
Warmest since:
2012, 2017
Nov 1978–Apr 1980
18-Month
48.4°F
(9.1°C)
50.5°F
(10.3°C)
-2.1°F
(-1.2°C)
5th Coolest
Coolest since:
1979
122nd Warmest
Warmest since:
2017
May 1978–Apr 1980
24-Month
53.7°F
(12.1°C)
55.4°F
(13.0°C)
-1.7°F
(-0.9°C)
5th Coolest
Coolest since:
1978
122nd Warmest
Warmest since:
2017
Ties: 1969
May 1977–Apr 1980
36-Month
53.6°F
(12.0°C)
55.3°F
(12.9°C)
-1.7°F
(-0.9°C)
2nd Coolest
Coolest since:
1979
124th Warmest
Warmest since:
2018
Ties: 1906
May 1976–Apr 1980
48-Month
53.3°F
(11.8°C)
55.4°F
(13.0°C)
-2.1°F
(-1.2°C)
1st Coolest
Coolest since:
1980
124th Warmest
Warmest since:
2019
May 1975–Apr 1980
60-Month
54.0°F
(12.2°C)
55.3°F
(12.9°C)
-1.3°F
(-0.7°C)
1st Coolest
Coolest since:
1980, 1981
123rd Warmest
Warmest since:
2020
Ties: 1981

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