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 2. Northeast

Average Temperature Rankings, May 1939

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1939
1-Month
62.7°F
(17.1°C)
58.9°F
(14.9°C)
3.8°F
(2.2°C)
108th Coolest
Coolest since:
1907
21st Warmest
Warmest since:
1977
Ties: 1975
Apr–May 1939
2-Month
53.6°F
(12.0°C)
53.4°F
(11.9°C)
0.2°F
(0.1°C)
68th Coolest
Coolest since:
1907
61st Warmest
Warmest since:
1896, 1977
Ties: 1936, 1974, 2009
Mar–May 1939
3-Month
48.0°F
(8.9°C)
47.5°F
(8.6°C)
0.5°F
(0.3°C)
71st Coolest
Coolest since:
1926
58th Warmest
Warmest since:
2012
Feb–May 1939
4-Month
42.0°F
(5.6°C)
41.9°F
(5.5°C)
0.1°F
(0.1°C)
67th Coolest
Coolest since:
1904, 1947
62nd Warmest
Warmest since:
2012
Ties: 1949, 1961, 1962, 1970
Jan–May 1939
5-Month
39.3°F
(4.1°C)
37.8°F
(3.2°C)
1.5°F
(0.9°C)
94th Coolest
Coolest since:
1912
35th Warmest
Warmest since:
2012
Dec 1938–May 1939
6-Month
37.2°F
(2.9°C)
35.8°F
(2.1°C)
1.4°F
(0.8°C)
92nd Coolest
Coolest since:
1904
36th Warmest
Warmest since:
2012
Ties: 1941, 2013
Nov 1938–May 1939
7-Month
37.7°F
(3.2°C)
36.1°F
(2.3°C)
1.6°F
(0.9°C)
98th Coolest
Coolest since:
1904
30th Warmest
Warmest since:
2012
Ties: 2022
Oct 1938–May 1939
8-Month
39.9°F
(4.4°C)
38.1°F
(3.4°C)
1.8°F
(1.0°C)
101st Coolest
Coolest since:
1904
27th Warmest
Warmest since:
2012
Ties: 2020
Sep 1938–May 1939
9-Month
42.6°F
(5.9°C)
41.0°F
(5.0°C)
1.6°F
(0.9°C)
102nd Coolest
Coolest since:
1904
26th Warmest
Warmest since:
2012
Ties: 1992
Aug 1938–May 1939
10-Month
45.7°F
(7.6°C)
44.0°F
(6.7°C)
1.7°F
(0.9°C)
109th Coolest
Coolest since:
1904
19th Warmest
Warmest since:
2012
Ties: 1976, 1992
Jul 1938–May 1939
11-Month
48.2°F
(9.0°C)
46.6°F
(8.1°C)
1.6°F
(0.9°C)
108th Coolest
Coolest since:
1904
20th Warmest
Warmest since:
2012
Ties: 1922, 2007
Jun 1938–May 1939
12-Month
49.7°F
(9.8°C)
48.4°F
(9.1°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1904
26th Warmest
Warmest since:
2012
Ties: 1934, 1964, 1985, 2005
Dec 1937–May 1939
18-Month
45.8°F
(7.7°C)
44.2°F
(6.8°C)
1.6°F
(0.9°C)
105th Coolest
Coolest since:
1905, 1918
22nd Warmest
Warmest since:
2017
Ties: 2002, 2003
Jun 1937–May 1939
24-Month
49.4°F
(9.7°C)
48.5°F
(9.2°C)
0.9°F
(0.5°C)
97th Coolest
Coolest since:
1905
30th Warmest
Warmest since:
2017
Ties: 1923, 1956, 1989
Jun 1936–May 1939
36-Month
49.2°F
(9.6°C)
48.4°F
(9.1°C)
0.8°F
(0.5°C)
89th Coolest
Coolest since:
1918
37th Warmest
Warmest since:
2000
Ties: 1935, 1942
Jun 1935–May 1939
48-Month
48.5°F
(9.2°C)
48.4°F
(9.1°C)
0.1°F
(0.1°C)
57th Coolest
Coolest since:
1907
68th Warmest
Warmest since:
2001
Ties: 1901, 1936, 1947, 1949, 1967, 1984
Jun 1934–May 1939
60-Month
48.7°F
(9.3°C)
48.4°F
(9.1°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1908
52nd Warmest
Warmest since:
2002
Ties: 1938, 1944, 1946, 1975, 1977, 1985, 1998

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