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 2011

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 2011
1-Month
59.0°F
(15.0°C)
59.0°F
(15.0°C)
0.0°F
(0.0°C)
59th Coolest
Coolest since:
1907
70th Warmest
Warmest since:
1977
Ties: 1916, 2021
Apr–May 2011
2-Month
53.2°F
(11.8°C)
53.3°F
(11.8°C)
-0.1°F
(0.0°C)
49th Coolest
Coolest since:
1907
80th Warmest
Warmest since:
1896, 1977
Ties: 1951, 1968, 2003, 2018, 2019
Mar–May 2011
3-Month
47.7°F
(8.7°C)
47.5°F
(8.6°C)
0.2°F
(0.1°C)
67th Coolest
Coolest since:
1926
62nd Warmest
Warmest since:
2012
Ties: 1949, 1958
Feb–May 2011
4-Month
42.2°F
(5.7°C)
41.9°F
(5.5°C)
0.3°F
(0.2°C)
74th Coolest
Coolest since:
1904, 1947
55th Warmest
Warmest since:
2012
Ties: 1908, 1919, 1941, 2018, 2021
Jan–May 2011
5-Month
37.7°F
(3.2°C)
37.7°F
(3.2°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1912
72nd Warmest
Warmest since:
2012
Ties: 1909, 1914, 1961, 2009
Dec 2010–May 2011
6-Month
34.8°F
(1.6°C)
35.8°F
(2.1°C)
-1.0°F
(-0.5°C)
30th Coolest
Coolest since:
1904
98th Warmest
Warmest since:
2012
Ties: 1902, 1916, 1924
Nov 2010–May 2011
7-Month
35.7°F
(2.1°C)
36.1°F
(2.3°C)
-0.4°F
(-0.2°C)
43rd Coolest
Coolest since:
1904
85th Warmest
Warmest since:
2012
Ties: 1915, 1965, 2001, 2019
Oct 2010–May 2011
8-Month
38.1°F
(3.4°C)
38.1°F
(3.4°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1904
73rd Warmest
Warmest since:
2012
Ties: 1906, 1966, 1968
Sep 2010–May 2011
9-Month
41.1°F
(5.1°C)
41.0°F
(5.0°C)
0.1°F
(0.1°C)
67th Coolest
Coolest since:
1904
61st Warmest
Warmest since:
2012
Ties: 1906, 1945
Aug 2010–May 2011
10-Month
44.4°F
(6.9°C)
43.9°F
(6.6°C)
0.5°F
(0.3°C)
76th Coolest
Coolest since:
1904
52nd Warmest
Warmest since:
2012
Ties: 1900, 1909, 1946, 1973, 1988
Jul 2010–May 2011
11-Month
47.3°F
(8.5°C)
46.6°F
(8.1°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1904
44th Warmest
Warmest since:
2012
Ties: 1934, 1988, 2008
Jun 2010–May 2011
12-Month
49.3°F
(9.6°C)
48.5°F
(9.2°C)
0.8°F
(0.4°C)
89th Coolest
Coolest since:
1904
39th Warmest
Warmest since:
2012
Ties: 1919, 1935, 1983
Dec 2009–May 2011
18-Month
45.5°F
(7.5°C)
44.2°F
(6.8°C)
1.3°F
(0.7°C)
98th Coolest
Coolest since:
1905, 1918
29th Warmest
Warmest since:
2017
Ties: 1934, 2020
Jun 2009–May 2011
24-Month
49.2°F
(9.6°C)
48.4°F
(9.1°C)
0.8°F
(0.5°C)
92nd Coolest
Coolest since:
1905
35th Warmest
Warmest since:
2017
Ties: 1934, 1990
Jun 2008–May 2011
36-Month
48.9°F
(9.4°C)
48.4°F
(9.1°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1918
46th Warmest
Warmest since:
2000
Ties: 1924, 1943, 1986, 2010
Jun 2007–May 2011
48-Month
49.0°F
(9.4°C)
48.4°F
(9.1°C)
0.6°F
(0.3°C)
84th Coolest
Coolest since:
1907
41st Warmest
Warmest since:
2001
Ties: 1932, 1941, 1986, 1994
Jun 2006–May 2011
60-Month
49.2°F
(9.6°C)
48.4°F
(9.1°C)
0.8°F
(0.5°C)
88th Coolest
Coolest since:
1908
36th Warmest
Warmest since:
2002
Ties: 1936, 1956, 2015

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