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 5. East

Average Temperature Rankings, May 1941

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1941
1-Month
64.6°F
(18.1°C)
61.0°F
(16.1°C)
3.6°F
(2.0°C)
108th Coolest
Coolest since:
1907
21st Warmest
Warmest since:
2018
Ties: 1936, 2022
Apr–May 1941
2-Month
59.6°F
(15.3°C)
55.5°F
(13.1°C)
4.1°F
(2.2°C)
119th Coolest
Coolest since:
1907
10th Warmest
Warmest since:
1977
Mar–May 1941
3-Month
50.9°F
(10.5°C)
49.7°F
(9.8°C)
1.2°F
(0.7°C)
87th Coolest
Coolest since:
1960
42nd Warmest
Warmest since:
2012
Ties: 2011
Feb–May 1941
4-Month
44.4°F
(6.9°C)
44.2°F
(6.8°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1978
59th Warmest
Warmest since:
2012
Ties: 1898, 1910, 1931, 1944, 1970
Jan–May 1941
5-Month
40.9°F
(4.9°C)
40.1°F
(4.5°C)
0.8°F
(0.4°C)
82nd Coolest
Coolest since:
1978
47th Warmest
Warmest since:
2012
Ties: 1977, 1983
Dec 1940–May 1941
6-Month
39.6°F
(4.2°C)
38.1°F
(3.4°C)
1.5°F
(0.8°C)
93rd Coolest
Coolest since:
1978
35th Warmest
Warmest since:
2012
Ties: 1973, 1990
Nov 1940–May 1941
7-Month
39.2°F
(4.0°C)
38.3°F
(3.5°C)
0.9°F
(0.5°C)
86th Coolest
Coolest since:
1904
42nd Warmest
Warmest since:
2012
Ties: 1973, 1986
Oct 1940–May 1941
8-Month
41.4°F
(5.2°C)
40.2°F
(4.6°C)
1.2°F
(0.6°C)
92nd Coolest
Coolest since:
1904
36th Warmest
Warmest since:
2012
Ties: 1922, 1990, 2013
Sep 1940–May 1941
9-Month
43.9°F
(6.6°C)
43.0°F
(6.1°C)
0.9°F
(0.5°C)
89th Coolest
Coolest since:
1904
39th Warmest
Warmest since:
2012
Ties: 1928, 1931, 1946, 2013
Aug 1940–May 1941
10-Month
46.9°F
(8.3°C)
45.9°F
(7.7°C)
1.0°F
(0.6°C)
94th Coolest
Coolest since:
1904
34th Warmest
Warmest since:
2012
Ties: 1931, 1948, 1957
Jul 1940–May 1941
11-Month
49.5°F
(9.7°C)
48.5°F
(9.2°C)
1.0°F
(0.5°C)
95th Coolest
Coolest since:
1904
33rd Warmest
Warmest since:
2012
Ties: 1914, 1953, 1983
Jun 1940–May 1941
12-Month
51.3°F
(10.7°C)
50.3°F
(10.2°C)
1.0°F
(0.5°C)
92nd Coolest
Coolest since:
1904
36th Warmest
Warmest since:
2012
Ties: 1931, 1937, 1989
Dec 1939–May 1941
18-Month
46.1°F
(7.8°C)
46.3°F
(7.9°C)
-0.2°F
(-0.1°C)
55th Coolest
Coolest since:
1905
72nd Warmest
Warmest since:
2017
Ties: 1948, 2009
Jun 1939–May 1941
24-Month
50.4°F
(10.2°C)
50.3°F
(10.2°C)
0.1°F
(0.0°C)
59th Coolest
Coolest since:
1905
68th Warmest
Warmest since:
2017
Ties: 1981, 1984
Jun 1938–May 1941
36-Month
50.9°F
(10.5°C)
50.3°F
(10.2°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1905, 1906
45th Warmest
Warmest since:
2018
Jun 1937–May 1941
48-Month
50.9°F
(10.5°C)
50.3°F
(10.2°C)
0.6°F
(0.3°C)
82nd Coolest
Coolest since:
1905
43rd Warmest
Warmest since:
2019
Ties: 1940, 1944, 1974, 1976, 2011
Jun 1936–May 1941
60-Month
51.0°F
(10.6°C)
50.3°F
(10.2°C)
0.7°F
(0.4°C)
83rd Coolest
Coolest since:
1905, 1906, 1908
41st Warmest
Warmest since:
2020
Ties: 1955, 1976, 2011

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