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 1921

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1921
1-Month
62.6°F
(17.0°C)
59.7°F
(15.4°C)
2.9°F
(1.6°C)
98th Coolest Coolest since: 1920 1907
28th Warmest Warmest since: 1918 1977
Ties: 2001
Apr–May 1921
2-Month
57.4°F
(14.1°C)
54.0°F
(12.2°C)
3.4°F
(1.9°C)
113th Coolest Coolest since: 1920 1907
13th Warmest Warmest since: 1896 1977
Mar–May 1921
3-Month
52.8°F
(11.6°C)
47.9°F
(8.8°C)
4.9°F
(2.8°C)
122nd Coolest Coolest since: 1920 1960
4th Warmest Warmest to Date 2012
Feb–May 1921
4-Month
47.1°F
(8.4°C)
41.9°F
(5.5°C)
5.2°F
(2.9°C)
121st Coolest Coolest since: 1920 1947
5th Warmest Warmest to Date 2012
Jan–May 1921
5-Month
43.3°F
(6.3°C)
37.6°F
(3.1°C)
5.7°F
(3.2°C)
123rd Coolest Coolest since: 1920 1912
3rd Warmest Warmest to Date 2012
Dec 1920–May 1921
6-Month
40.6°F
(4.8°C)
35.4°F
(1.9°C)
5.2°F
(2.9°C)
121st Coolest Coolest since: 1920 1979
4th Warmest Warmest to Date 2012
Nov 1920–May 1921
7-Month
39.9°F
(4.4°C)
35.7°F
(2.1°C)
4.2°F
(2.3°C)
118th Coolest Coolest since: 1920 1904
7th Warmest Warmest to Date 2012
Oct 1920–May 1921
8-Month
42.1°F
(5.6°C)
37.7°F
(3.2°C)
4.4°F
(2.4°C)
121st Coolest Coolest since: 1920 1912
4th Warmest Warmest to Date 2012
Sep 1920–May 1921
9-Month
44.8°F
(7.1°C)
40.5°F
(4.7°C)
4.3°F
(2.4°C)
121st Coolest Coolest since: 1920 1904
4th Warmest Warmest to Date 2012
Aug 1920–May 1921
10-Month
47.4°F
(8.6°C)
43.7°F
(6.5°C)
3.7°F
(2.1°C)
121st Coolest Coolest since: 1920 1904
4th Warmest Warmest to Date 2012
Jul 1920–May 1921
11-Month
49.5°F
(9.7°C)
46.3°F
(7.9°C)
3.2°F
(1.8°C)
120th Coolest Coolest since: 1920 1904
5th Warmest Warmest to Date 2012
Ties: 1999, 2006
Jun 1920–May 1921
12-Month
51.3°F
(10.7°C)
48.3°F
(9.1°C)
3.0°F
(1.6°C)
119th Coolest Coolest since: 1920 1904
6th Warmest Warmest to Date 2012
Dec 1919–May 1921
18-Month
44.8°F
(7.1°C)
44.0°F
(6.7°C)
0.8°F
(0.4°C)
90th Coolest Coolest since: 1920 1918
34th Warmest Warmest since: 1914 2017
Ties: 1914, 1984, 1989
Jun 1919–May 1921
24-Month
49.1°F
(9.5°C)
48.3°F
(9.1°C)
0.8°F
(0.4°C)
96th Coolest Coolest since: 1920 1905
28th Warmest Warmest to Date 2017
Ties: 1923, 1938, 1987, 1989
Jun 1918–May 1921
36-Month
49.1°F
(9.5°C)
48.2°F
(9.0°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1920 1905, 1918, 1979
30th Warmest Warmest to Date 2000
Ties: 1940, 1941, 1987, 1988
Jun 1917–May 1921
48-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1920 1980
70th Warmest Warmest since: 1903 2001, 2002, 2007
Ties: 1903, 1931, 1946, 1967
Jun 1916–May 1921
60-Month
47.8°F
(8.8°C)
48.1°F
(8.9°C)
-0.3°F
(-0.1°C)
28th Coolest Coolest since: 1920 1907, 1908
93rd Warmest Warmest since: 1917 2002
Ties: 1903, 1917, 1952, 1953, 1960, 1961, 1964, 1966, 1972, 1978, 1983

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/