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 1927

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1927
1-Month
56.6°F
(13.7°C)
59.7°F
(15.4°C)
-3.1°F
(-1.7°C)
23rd Coolest Coolest since: 1925 1907
103rd Warmest Warmest since: 1926 1977
Ties: 1940
Apr–May 1927
2-Month
52.3°F
(11.3°C)
54.0°F
(12.2°C)
-1.7°F
(-0.9°C)
24th Coolest Coolest since: 1926 1907
102nd Warmest Warmest since: 1925 1977
Mar–May 1927
3-Month
48.2°F
(9.0°C)
47.9°F
(8.8°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1926 1960
58th Warmest Warmest since: 1925 2012
Ties: 1948, 1962, 2003
Feb–May 1927
4-Month
44.0°F
(6.7°C)
42.0°F
(5.6°C)
2.0°F
(1.1°C)
102nd Coolest Coolest since: 1926 1947
24th Warmest Warmest since: 1925 2012
Ties: 1922, 1986
Jan–May 1927
5-Month
39.0°F
(3.9°C)
37.5°F
(3.1°C)
1.5°F
(0.8°C)
88th Coolest Coolest since: 1926 1912
38th Warmest Warmest since: 1925 2012
Ties: 1942
Dec 1926–May 1927
6-Month
36.3°F
(2.4°C)
35.4°F
(1.9°C)
0.9°F
(0.5°C)
80th Coolest Coolest since: 1926 1979
45th Warmest Warmest since: 1922 2012
Nov 1926–May 1927
7-Month
35.7°F
(2.1°C)
35.7°F
(2.1°C)
0.0°F
(0.0°C)
66th Coolest Coolest since: 1926 1904
59th Warmest Warmest since: 1925 2012
Ties: 1906, 1909, 1913
Oct 1926–May 1927
8-Month
37.4°F
(3.0°C)
37.7°F
(3.2°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1926 1912
80th Warmest Warmest since: 1925 2012
Ties: 1923, 1969, 1986
Sep 1926–May 1927
9-Month
40.2°F
(4.6°C)
40.6°F
(4.8°C)
-0.4°F
(-0.2°C)
45th Coolest Coolest since: 1926 1904
80th Warmest Warmest since: 1925 2012
Ties: 1937, 1947, 1967, 1969
Aug 1926–May 1927
10-Month
43.3°F
(6.3°C)
43.6°F
(6.4°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 1926 1904
80th Warmest Warmest since: 1925 2012
Ties: 1930, 1966, 2009
Jul 1926–May 1927
11-Month
46.0°F
(7.8°C)
46.3°F
(7.9°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 1926 1904
80th Warmest Warmest since: 1923 2012
Ties: 1930, 1967, 1980, 2009, 2019
Jun 1926–May 1927
12-Month
47.5°F
(8.6°C)
48.2°F
(9.0°C)
-0.7°F
(-0.4°C)
32nd Coolest Coolest since: 1926 1904
93rd Warmest Warmest since: 1925 2012
Ties: 1910, 1925, 1975
Dec 1925–May 1927
18-Month
43.0°F
(6.1°C)
43.9°F
(6.6°C)
-0.9°F
(-0.5°C)
22nd Coolest Coolest since: 1918 1918
102nd Warmest Warmest since: 1926 2017
Ties: 1900, 1959
Jun 1925–May 1927
24-Month
47.2°F
(8.4°C)
48.2°F
(9.0°C)
-1.0°F
(-0.6°C)
16th Coolest Coolest since: 1926 1905
108th Warmest Warmest since: 1926 2017
Ties: 1900, 1912, 1926, 1951
Jun 1924–May 1927
36-Month
47.3°F
(8.5°C)
48.2°F
(9.0°C)
-0.9°F
(-0.5°C)
11th Coolest Coolest since: 1920 1905, 1918, 1979
112th Warmest Warmest since: 1926 2000
Ties: 1907, 1912, 1953, 1960
Jun 1923–May 1927
48-Month
47.4°F
(8.6°C)
48.2°F
(9.0°C)
-0.8°F
(-0.4°C)
11th Coolest Coolest since: 1920 1980
111th Warmest Warmest since: 1926 2001, 2002, 2007
Ties: 1908, 1913, 1929, 1962, 1963, 1978
Jun 1922–May 1927
60-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
18th Coolest Coolest since: 1920 1907, 1908
103rd Warmest Warmest since: 1926 2002
Ties: 1909, 1912, 1913, 1916, 1928, 1970, 1971

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/