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 1900

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1900
1-Month
61.8°F
(16.6°C)
59.7°F
(15.4°C)
2.1°F
(1.2°C)
88th Coolest Coolest since: 1899 1907
38th Warmest Warmest since: 1896 1977
Ties: 1912, 1914
Apr–May 1900
2-Month
55.7°F
(13.2°C)
54.0°F
(12.2°C)
1.7°F
(1.0°C)
94th Coolest Coolest since: 1899 1907
32nd Warmest Warmest since: 1896 1977
Mar–May 1900
3-Month
46.6°F
(8.1°C)
47.8°F
(8.8°C)
-1.2°F
(-0.7°C)
37th Coolest Coolest since: 1899 1960
89th Warmest Warmest since: 1898 2012
Ties: 1935, 1953, 1954
Feb–May 1900
4-Month
39.0°F
(3.9°C)
41.9°F
(5.5°C)
-2.9°F
(-1.6°C)
13th Coolest Coolest since: 1899 1947
113th Warmest Warmest since: 1898 2012
Ties: 1936
Jan–May 1900
5-Month
36.3°F
(2.4°C)
37.5°F
(3.1°C)
-1.2°F
(-0.7°C)
39th Coolest Coolest since: 1899 1912
87th Warmest Warmest since: 1898 2012
Ties: 1980, 2015
Dec 1899–May 1900
6-Month
34.2°F
(1.2°C)
35.4°F
(1.9°C)
-1.2°F
(-0.7°C)
32nd Coolest Coolest since: 1899 1979
93rd Warmest Warmest since: 1898 2012
Nov 1899–May 1900
7-Month
35.3°F
(1.8°C)
35.6°F
(2.0°C)
-0.3°F
(-0.2°C)
48th Coolest Coolest since: 1899 1904
77th Warmest Warmest since: 1897 2012
Ties: 1897, 1958, 1986, 2009
Oct 1899–May 1900
8-Month
37.9°F
(3.3°C)
37.7°F
(3.2°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1899 1912
54th Warmest Warmest since: 1896 2012
Ties: 1944, 1945, 1948, 1950
Sep 1899–May 1900
9-Month
40.5°F
(4.7°C)
40.5°F
(4.7°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1899 1904
68th Warmest Warmest since: 1898 2012
Ties: 1915, 1923, 1925
Aug 1899–May 1900
10-Month
43.8°F
(6.6°C)
43.6°F
(6.4°C)
0.2°F
(0.2°C)
69th Coolest Coolest since: 1899 1904
56th Warmest Warmest since: 1898 2012
Ties: 1901, 1906, 1909, 1935, 1937, 1953, 2001
Jul 1899–May 1900
11-Month
46.4°F
(8.0°C)
46.3°F
(7.9°C)
0.1°F
(0.1°C)
60th Coolest Coolest since: 1899 1904
65th Warmest Warmest since: 1898 2012
Ties: 1901, 1909, 1944, 1961
Jun 1899–May 1900
12-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1899 1904
58th Warmest Warmest since: 1898 2012
Ties: 1928, 1950
Dec 1898–May 1900
18-Month
43.0°F
(6.1°C)
43.9°F
(6.6°C)
-0.9°F
(-0.5°C)
22nd Coolest Coolest since: 1899 1918
102nd Warmest Warmest since: 1898 2017
Ties: 1927, 1959
Jun 1898–May 1900
24-Month
47.2°F
(8.4°C)
48.2°F
(9.0°C)
-1.0°F
(-0.6°C)
16th Coolest Coolest to Date 1905
108th Warmest Warmest since: 1899 2017
Ties: 1912, 1926, 1927, 1951
Jun 1897–May 1900
36-Month
47.8°F
(8.8°C)
48.2°F
(9.0°C)
-0.4°F
(-0.2°C)
34th Coolest Coolest since: 1899 1905, 1918, 1979
89th Warmest Warmest since: 1898 2000
Ties: 1910, 1925, 1951, 1967, 1969, 1972, 1997
Jun 1896–May 1900
48-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
22nd Coolest Coolest to Date 1980
100th Warmest Warmest since: 1899 2001, 2002, 2007
Ties: 1926, 1928, 1930, 1952, 1953, 1970, 1996, 1997
Jun 1895–May 1900
60-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
40th Coolest Coolest to Date 1907, 1908
81st Warmest Warmest to Date 2002
Ties: 1910, 1914, 1951, 1965, 1967

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/