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 1974

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1974
1-Month
56.9°F
(13.8°C)
59.7°F
(15.4°C)
-2.8°F
(-1.6°C)
30th Coolest Coolest since: 1973 1907
96th Warmest Warmest since: 1972 1977
Ties: 1929
Apr–May 1974
2-Month
54.2°F
(12.3°C)
54.0°F
(12.2°C)
0.2°F
(0.1°C)
60th Coolest Coolest since: 1973 1907
66th Warmest Warmest since: 1970 1977
Ties: 2003, 2011, 2013
Mar–May 1974
3-Month
48.6°F
(9.2°C)
47.9°F
(8.8°C)
0.7°F
(0.4°C)
75th Coolest Coolest since: 1972 1960
51st Warmest Warmest since: 1973 2012
Ties: 1908
Feb–May 1974
4-Month
42.7°F
(5.9°C)
41.9°F
(5.5°C)
0.8°F
(0.4°C)
81st Coolest Coolest since: 1972 1947
45th Warmest Warmest since: 1973 2012
Jan–May 1974
5-Month
38.3°F
(3.5°C)
37.6°F
(3.1°C)
0.7°F
(0.4°C)
76th Coolest Coolest since: 1972 1912
50th Warmest Warmest since: 1973 2012
Ties: 1945
Dec 1973–May 1974
6-Month
35.7°F
(2.1°C)
35.4°F
(1.9°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1972 1979
55th Warmest Warmest since: 1973 2012
Nov 1973–May 1974
7-Month
36.1°F
(2.3°C)
35.6°F
(2.0°C)
0.5°F
(0.3°C)
76th Coolest Coolest since: 1972 1904
49th Warmest Warmest since: 1973 2012
Ties: 1944, 2003
Oct 1973–May 1974
8-Month
38.7°F
(3.7°C)
37.7°F
(3.2°C)
1.0°F
(0.5°C)
86th Coolest Coolest since: 1973 1912
39th Warmest Warmest since: 1964 2012
Ties: 1934
Sep 1973–May 1974
9-Month
41.5°F
(5.3°C)
40.6°F
(4.8°C)
0.9°F
(0.5°C)
88th Coolest Coolest since: 1973 1904
37th Warmest Warmest since: 1972 2012
Ties: 1896, 1957, 2018
Aug 1973–May 1974
10-Month
44.6°F
(7.0°C)
43.6°F
(6.4°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 1973 1904
35th Warmest Warmest since: 1964 2012
Ties: 1896, 1941
Jul 1973–May 1974
11-Month
47.3°F
(8.5°C)
46.4°F
(8.0°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1973 1904
32nd Warmest Warmest since: 1964 2012
Ties: 2013
Jun 1973–May 1974
12-Month
49.2°F
(9.6°C)
48.2°F
(9.0°C)
1.0°F
(0.6°C)
93rd Coolest Coolest since: 1973 1904
32nd Warmest Warmest since: 1964 2012
Ties: 1896, 1919, 1985, 1989, 1995
Dec 1972–May 1974
18-Month
45.1°F
(7.3°C)
43.9°F
(6.6°C)
1.2°F
(0.7°C)
93rd Coolest Coolest since: 1973 1918
31st Warmest Warmest since: 1955 2017
Ties: 1933
Jun 1972–May 1974
24-Month
48.8°F
(9.3°C)
48.3°F
(9.1°C)
0.5°F
(0.2°C)
86th Coolest Coolest since: 1973 1905
38th Warmest Warmest since: 1956 2017
Ties: 1949, 1998
Jun 1971–May 1974
36-Month
48.8°F
(9.3°C)
48.2°F
(9.0°C)
0.6°F
(0.3°C)
83rd Coolest Coolest since: 1973 1905, 1918, 1979
40th Warmest Warmest since: 1957 2000
Ties: 1985, 2009
Jun 1970–May 1974
48-Month
48.5°F
(9.2°C)
48.1°F
(8.9°C)
0.4°F
(0.3°C)
73rd Coolest Coolest since: 1973 1980
49th Warmest Warmest since: 1958 2001, 2002, 2007
Ties: 1936, 1938, 1975, 1986, 1994
Jun 1969–May 1974
60-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1973 1907, 1908
65th Warmest Warmest since: 1959 2002
Ties: 1986

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/