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 1940

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1940
1-Month
55.1°F
(12.8°C)
58.9°F
(14.9°C)
-3.8°F
(-2.1°C)
13th Coolest
Coolest since:
1907
116th Warmest
Warmest since:
1977
Ties: 2002
Apr–May 1940
2-Month
50.2°F
(10.1°C)
53.4°F
(11.9°C)
-3.2°F
(-1.8°C)
9th Coolest
Coolest since:
1907
120th Warmest
Warmest since:
1896, 1977
Ties: 1904, 1950
Mar–May 1940
3-Month
43.8°F
(6.6°C)
47.6°F
(8.7°C)
-3.8°F
(-2.1°C)
4th Coolest
Coolest since:
1926
125th Warmest
Warmest since:
2012
Feb–May 1940
4-Month
39.4°F
(4.1°C)
41.9°F
(5.5°C)
-2.5°F
(-1.4°C)
15th Coolest
Coolest since:
1904, 1947
114th Warmest
Warmest since:
2012
Ties: 1900, 1996
Jan–May 1940
5-Month
34.0°F
(1.1°C)
37.7°F
(3.2°C)
-3.7°F
(-2.1°C)
6th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2012
Ties: 1895, 1917
Dec 1939–May 1940
6-Month
33.7°F
(0.9°C)
35.7°F
(2.1°C)
-2.0°F
(-1.2°C)
17th Coolest
Coolest since:
1904
111th Warmest
Warmest since:
2012
Nov 1939–May 1940
7-Month
34.3°F
(1.3°C)
36.1°F
(2.3°C)
-1.8°F
(-1.0°C)
18th Coolest
Coolest since:
1904
110th Warmest
Warmest since:
2012
Oct 1939–May 1940
8-Month
36.7°F
(2.6°C)
38.1°F
(3.4°C)
-1.4°F
(-0.8°C)
21st Coolest
Coolest since:
1904
107th Warmest
Warmest since:
2012
Ties: 1984, 1997
Sep 1939–May 1940
9-Month
40.2°F
(4.6°C)
41.0°F
(5.0°C)
-0.8°F
(-0.4°C)
30th Coolest
Coolest since:
1904
98th Warmest
Warmest since:
2012
Ties: 1952, 1958
Aug 1939–May 1940
10-Month
43.3°F
(6.3°C)
44.0°F
(6.7°C)
-0.7°F
(-0.4°C)
32nd Coolest
Coolest since:
1904
96th Warmest
Warmest since:
2012
Ties: 1910, 1960, 1967
Jul 1939–May 1940
11-Month
46.0°F
(7.8°C)
46.6°F
(8.1°C)
-0.6°F
(-0.3°C)
32nd Coolest
Coolest since:
1904
96th Warmest
Warmest since:
2012
Ties: 1925, 1958, 1959, 1965
Jun 1939–May 1940
12-Month
48.1°F
(8.9°C)
48.5°F
(9.2°C)
-0.4°F
(-0.3°C)
41st Coolest
Coolest since:
1904
87th Warmest
Warmest since:
2012
Ties: 1966, 1971, 1975
Dec 1938–May 1940
18-Month
44.4°F
(6.9°C)
44.2°F
(6.8°C)
0.2°F
(0.1°C)
66th Coolest
Coolest since:
1905, 1918
61st Warmest
Warmest since:
2017
Ties: 1928, 1947
Jun 1938–May 1940
24-Month
48.9°F
(9.4°C)
48.5°F
(9.2°C)
0.4°F
(0.2°C)
83rd Coolest
Coolest since:
1905
44th Warmest
Warmest since:
2017
Ties: 1914, 1938, 1945, 1950, 1957, 1975, 1984, 1993, 2019
Jun 1937–May 1940
36-Month
49.0°F
(9.4°C)
48.5°F
(9.2°C)
0.5°F
(0.2°C)
82nd Coolest
Coolest since:
1918
44th Warmest
Warmest since:
2000
Ties: 1941
Jun 1936–May 1940
48-Month
48.9°F
(9.4°C)
48.4°F
(9.1°C)
0.5°F
(0.3°C)
79th Coolest
Coolest since:
1907
46th Warmest
Warmest since:
2001
Ties: 1944, 1958, 1974, 1975, 1998
Jun 1935–May 1940
60-Month
48.4°F
(9.1°C)
48.4°F
(9.1°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1908
72nd Warmest
Warmest since:
2002
Ties: 1984

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