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 1946

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1946
1-Month
56.8°F
(13.8°C)
59.7°F
(15.4°C)
-2.9°F
(-1.6°C)
26th Coolest Coolest since: 1945 1907
100th Warmest Warmest since: 1944 1977
Ties: 1968, 1976, 1981
Apr–May 1946
2-Month
54.4°F
(12.4°C)
54.0°F
(12.2°C)
0.4°F
(0.2°C)
67th Coolest Coolest since: 1945 1907
59th Warmest Warmest since: 1944 1977
Ties: 1932
Mar–May 1946
3-Month
51.6°F
(10.9°C)
47.9°F
(8.8°C)
3.7°F
(2.1°C)
115th Coolest Coolest since: 1945 1960
11th Warmest Warmest since: 1921 2012
Feb–May 1946
4-Month
45.4°F
(7.4°C)
41.9°F
(5.5°C)
3.5°F
(1.9°C)
113th Coolest Coolest since: 1945 1947
13th Warmest Warmest since: 1938 2012
Ties: 2004
Jan–May 1946
5-Month
41.2°F
(5.1°C)
37.5°F
(3.1°C)
3.7°F
(2.0°C)
117th Coolest Coolest since: 1945 1912
9th Warmest Warmest since: 1921 2012
Dec 1945–May 1946
6-Month
37.4°F
(3.0°C)
35.4°F
(1.9°C)
2.0°F
(1.1°C)
101st Coolest Coolest since: 1945 1979
24th Warmest Warmest since: 1942 2012
Ties: 1931, 1954, 2010
Nov 1945–May 1946
7-Month
37.3°F
(2.9°C)
35.6°F
(2.0°C)
1.7°F
(0.9°C)
96th Coolest Coolest since: 1945 1904
29th Warmest Warmest since: 1942 2012
Ties: 1938
Oct 1945–May 1946
8-Month
38.8°F
(3.8°C)
37.7°F
(3.2°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 1945 1912
32nd Warmest Warmest since: 1942 2012
Ties: 1903, 1922, 1928, 1938, 1981, 1990
Sep 1945–May 1946
9-Month
41.4°F
(5.2°C)
40.5°F
(4.7°C)
0.9°F
(0.5°C)
84th Coolest Coolest since: 1945 1904
41st Warmest Warmest since: 1942 2012
Ties: 1949
Aug 1945–May 1946
10-Month
44.4°F
(6.9°C)
43.6°F
(6.4°C)
0.8°F
(0.5°C)
85th Coolest Coolest since: 1945 1904
40th Warmest Warmest since: 1942 2012
Ties: 1972
Jul 1945–May 1946
11-Month
46.8°F
(8.2°C)
46.3°F
(7.9°C)
0.5°F
(0.3°C)
75th Coolest Coolest since: 1945 1904
50th Warmest Warmest since: 1942 2012
Ties: 1928, 2018
Jun 1945–May 1946
12-Month
48.3°F
(9.1°C)
48.2°F
(9.0°C)
0.1°F
(0.1°C)
60th Coolest Coolest since: 1943 1904
65th Warmest Warmest since: 1945 2012
Ties: 1902, 1956, 1973, 1984
Dec 1944–May 1946
18-Month
44.0°F
(6.7°C)
44.0°F
(6.7°C)
0.0°F
(0.0°C)
59th Coolest Coolest since: 1944 1918
65th Warmest Warmest since: 1945 2017
Ties: 1943, 1972, 1986, 2019
Jun 1944–May 1946
24-Month
48.5°F
(9.2°C)
48.2°F
(9.0°C)
0.3°F
(0.2°C)
70th Coolest Coolest since: 1944 1905
54th Warmest Warmest since: 1945 2017
Ties: 1993, 2019
Jun 1943–May 1946
36-Month
48.5°F
(9.2°C)
48.2°F
(9.0°C)
0.3°F
(0.2°C)
74th Coolest Coolest since: 1945 1905, 1918, 1979
49th Warmest Warmest since: 1944 2000
Ties: 1936, 2010
Jun 1942–May 1946
48-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1931 1980
70th Warmest Warmest since: 1945 2001, 2002, 2007
Ties: 1903, 1921, 1931, 1967
Jun 1941–May 1946
60-Month
48.6°F
(9.2°C)
48.2°F
(9.0°C)
0.4°F
(0.2°C)
74th Coolest Coolest since: 1944 1907, 1908
47th Warmest Warmest since: 1945 2002
Ties: 1922, 1937, 1944, 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/