Climate at a Glance

Divisional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, May 1911

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1911
1-Month
65.3°F
(18.5°C)
59.7°F
(15.4°C)
5.6°F
(3.1°C)
116th Coolest Coolest since: 1910 1907
10th Warmest Warmest since: 1896 1977
Ties: 1982
Apr–May 1911
2-Month
55.5°F
(13.1°C)
54.0°F
(12.2°C)
1.5°F
(0.9°C)
90th Coolest Coolest since: 1910 1907
36th Warmest Warmest since: 1906 1977
Mar–May 1911
3-Month
49.5°F
(9.7°C)
47.9°F
(8.8°C)
1.6°F
(0.9°C)
97th Coolest Coolest since: 1909 1960
29th Warmest Warmest since: 1910 2012
Ties: 1902, 1934
Feb–May 1911
4-Month
44.1°F
(6.7°C)
41.9°F
(5.5°C)
2.2°F
(1.2°C)
104th Coolest Coolest since: 1910 1947
22nd Warmest Warmest since: 1896 2012
Ties: 1925
Jan–May 1911
5-Month
39.6°F
(4.2°C)
37.5°F
(3.1°C)
2.1°F
(1.1°C)
102nd Coolest Coolest since: 1910 1912
24th Warmest Warmest since: 1896 2012
Ties: 1934, 1986
Dec 1910–May 1911
6-Month
36.6°F
(2.6°C)
35.4°F
(1.9°C)
1.2°F
(0.7°C)
86th Coolest Coolest since: 1910 1979
39th Warmest Warmest since: 1908 2012
Ties: 1914, 1944
Nov 1910–May 1911
7-Month
35.8°F
(2.1°C)
35.6°F
(2.0°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 1910 1904
57th Warmest Warmest since: 1908 2012
Ties: 1930
Oct 1910–May 1911
8-Month
38.2°F
(3.4°C)
37.7°F
(3.2°C)
0.5°F
(0.2°C)
78th Coolest Coolest since: 1910 1912
47th Warmest Warmest since: 1903 2012
Ties: 1935, 1953, 1988
Sep 1910–May 1911
9-Month
40.9°F
(4.9°C)
40.5°F
(4.7°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 1910 1904
50th Warmest Warmest since: 1909 2012
Ties: 1909, 1945, 1988, 2003
Aug 1910–May 1911
10-Month
44.0°F
(6.7°C)
43.6°F
(6.4°C)
0.4°F
(0.3°C)
74th Coolest Coolest since: 1910 1904
51st Warmest Warmest since: 1898 2012
Ties: 1945, 1988, 2003
Jul 1910–May 1911
11-Month
46.9°F
(8.3°C)
46.4°F
(8.0°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 1910 1904
45th Warmest Warmest since: 1898 2012
Ties: 1935, 1957, 1990, 2010
Jun 1910–May 1911
12-Month
48.7°F
(9.3°C)
48.3°F
(9.1°C)
0.4°F
(0.2°C)
74th Coolest Coolest since: 1910 1904
51st Warmest Warmest since: 1898 2012
Ties: 1948, 1990, 2008
Dec 1909–May 1911
18-Month
43.8°F
(6.6°C)
44.0°F
(6.7°C)
-0.2°F
(-0.1°C)
52nd Coolest Coolest since: 1910 1918
72nd Warmest Warmest since: 1909 2017
Ties: 1920, 1948, 1958, 1973, 1977, 1985
Jun 1909–May 1911
24-Month
48.1°F
(8.9°C)
48.2°F
(9.0°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1910 1905
73rd Warmest Warmest since: 1903 2017
Ties: 1903, 1982, 1995
Jun 1908–May 1911
36-Month
48.1°F
(8.9°C)
48.2°F
(9.0°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1910 1905, 1918, 1979
72nd Warmest Warmest since: 1903 2000
Ties: 1903, 1931, 1945, 1982, 2016
Jun 1907–May 1911
48-Month
48.0°F
(8.9°C)
48.1°F
(8.9°C)
-0.1°F
(0.0°C)
46th Coolest Coolest since: 1910 1980
76th Warmest Warmest since: 1903 2001, 2002, 2007
Ties: 1951, 1954, 1959, 1964
Jun 1906–May 1911
60-Month
48.0°F
(8.9°C)
48.2°F
(9.0°C)
-0.2°F
(-0.1°C)
46th Coolest Coolest since: 1910 1907, 1908
75th Warmest Warmest since: 1902 2002
Ties: 1902, 1915, 1931, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/