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 1931

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1931
1-Month
55.9°F
(13.3°C)
59.7°F
(15.4°C)
-3.8°F
(-2.1°C)
14th Coolest Coolest since: 1925 1907
112th Warmest Warmest since: 1930 1977
Apr–May 1931
2-Month
52.6°F
(11.4°C)
54.0°F
(12.2°C)
-1.4°F
(-0.8°C)
26th Coolest Coolest since: 1927 1907
100th Warmest Warmest since: 1930 1977
Ties: 1897, 1910, 1923
Mar–May 1931
3-Month
46.2°F
(7.9°C)
47.9°F
(8.8°C)
-1.7°F
(-0.9°C)
27th Coolest Coolest since: 1926 1960
99th Warmest Warmest since: 1930 2012
Ties: 1899, 1966, 1978, 1997
Feb–May 1931
4-Month
42.9°F
(6.1°C)
41.9°F
(5.5°C)
1.0°F
(0.6°C)
85th Coolest Coolest since: 1929 1947
41st Warmest Warmest since: 1930 2012
Ties: 1918
Jan–May 1931
5-Month
39.9°F
(4.4°C)
37.6°F
(3.1°C)
2.3°F
(1.3°C)
104th Coolest Coolest since: 1930 1912
22nd Warmest Warmest since: 1921 2012
Dec 1930–May 1931
6-Month
37.4°F
(3.0°C)
35.4°F
(1.9°C)
2.0°F
(1.1°C)
101st Coolest Coolest since: 1930 1979
24th Warmest Warmest since: 1921 2012
Ties: 1946, 1954, 2010
Nov 1930–May 1931
7-Month
37.6°F
(3.1°C)
35.7°F
(2.1°C)
1.9°F
(1.0°C)
102nd Coolest Coolest since: 1930 1904
23rd Warmest Warmest since: 1921 2012
Oct 1930–May 1931
8-Month
39.1°F
(3.9°C)
37.7°F
(3.2°C)
1.4°F
(0.7°C)
98th Coolest Coolest since: 1930 1912
27th Warmest Warmest since: 1921 2012
Ties: 1985
Sep 1930–May 1931
9-Month
42.0°F
(5.6°C)
40.5°F
(4.7°C)
1.5°F
(0.9°C)
98th Coolest Coolest since: 1930 1904
27th Warmest Warmest since: 1921 2012
Aug 1930–May 1931
10-Month
45.1°F
(7.3°C)
43.6°F
(6.4°C)
1.5°F
(0.9°C)
104th Coolest Coolest since: 1930 1904
21st Warmest Warmest since: 1921 2012
Ties: 1919
Jul 1930–May 1931
11-Month
47.9°F
(8.8°C)
46.3°F
(7.9°C)
1.6°F
(0.9°C)
104th Coolest Coolest since: 1930 1904
21st Warmest Warmest since: 1922 2012
Ties: 1922
Jun 1930–May 1931
12-Month
49.6°F
(9.8°C)
48.2°F
(9.0°C)
1.4°F
(0.8°C)
101st Coolest Coolest since: 1930 1904
24th Warmest Warmest since: 1922 2012
Ties: 1964
Dec 1929–May 1931
18-Month
45.2°F
(7.3°C)
43.9°F
(6.6°C)
1.3°F
(0.7°C)
96th Coolest Coolest since: 1930 1918
28th Warmest Warmest since: 1922 2017
Ties: 2008, 2011
Jun 1929–May 1931
24-Month
48.7°F
(9.3°C)
48.2°F
(9.0°C)
0.5°F
(0.3°C)
83rd Coolest Coolest since: 1930 1905
41st Warmest Warmest since: 1923 2017
Ties: 1914, 1976, 1985
Jun 1928–May 1931
36-Month
48.1°F
(8.9°C)
48.2°F
(9.0°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1930 1905, 1918, 1979
72nd Warmest Warmest since: 1924 2000
Ties: 1903, 1911, 1945, 1982, 2016
Jun 1927–May 1931
48-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1930 1980
70th Warmest Warmest since: 1925 2001, 2002, 2007
Ties: 1903, 1921, 1946, 1967
Jun 1926–May 1931
60-Month
48.0°F
(8.9°C)
48.1°F
(8.9°C)
-0.1°F
(0.0°C)
46th Coolest Coolest since: 1930 1907, 1908
75th Warmest Warmest since: 1926 2002
Ties: 1902, 1911, 1915, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/