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 1947

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1947
1-Month
54.6°F
(12.6°C)
59.7°F
(15.4°C)
-5.1°F
(-2.8°C)
6th Coolest Coolest since: 1945 1907
120th Warmest Warmest since: 1946 1977
Ties: 1910
Apr–May 1947
2-Month
50.8°F
(10.4°C)
54.0°F
(12.2°C)
-3.2°F
(-1.8°C)
9th Coolest Coolest since: 1935 1907
117th Warmest Warmest since: 1946 1977
Mar–May 1947
3-Month
44.0°F
(6.7°C)
47.8°F
(8.8°C)
-3.8°F
(-2.1°C)
2nd Coolest Coolest to Date 1960
124th Warmest Warmest since: 1946 2012
Feb–May 1947
4-Month
37.4°F
(3.0°C)
41.9°F
(5.5°C)
-4.5°F
(-2.5°C)
1st Coolest Coolest to Date 1947
125th Warmest Warmest since: 1946 2012
Jan–May 1947
5-Month
34.9°F
(1.6°C)
37.5°F
(3.1°C)
-2.6°F
(-1.5°C)
15th Coolest Coolest since: 1940 1912
111th Warmest Warmest since: 1946 2012
Ties: 1929
Dec 1946–May 1947
6-Month
34.1°F
(1.2°C)
35.4°F
(1.9°C)
-1.3°F
(-0.7°C)
28th Coolest Coolest since: 1943 1979
97th Warmest Warmest since: 1946 2012
Ties: 1916, 1926, 2008
Nov 1946–May 1947
7-Month
34.7°F
(1.5°C)
35.6°F
(2.0°C)
-0.9°F
(-0.5°C)
32nd Coolest Coolest since: 1943 1904
93rd Warmest Warmest since: 1946 2012
Ties: 1948, 2008, 2015
Oct 1946–May 1947
8-Month
37.3°F
(2.9°C)
37.7°F
(3.2°C)
-0.4°F
(-0.3°C)
42nd Coolest Coolest since: 1943 1912
83rd Warmest Warmest since: 1946 2012
Ties: 1952, 2009
Sep 1946–May 1947
9-Month
40.2°F
(4.6°C)
40.5°F
(4.7°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 1943 1904
80th Warmest Warmest since: 1946 2012
Ties: 1927, 1937, 1967, 1969
Aug 1946–May 1947
10-Month
43.0°F
(6.1°C)
43.6°F
(6.4°C)
-0.6°F
(-0.3°C)
37th Coolest Coolest since: 1943 1904
88th Warmest Warmest since: 1946 2012
Ties: 1940, 1959, 1967
Jul 1946–May 1947
11-Month
45.8°F
(7.7°C)
46.3°F
(7.9°C)
-0.5°F
(-0.2°C)
37th Coolest Coolest since: 1943 1904
88th Warmest Warmest since: 1946 2012
Ties: 1925, 1975, 1986
Jun 1946–May 1947
12-Month
47.7°F
(8.7°C)
48.2°F
(9.0°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1943 1904
85th Warmest Warmest since: 1946 2012
Ties: 1907, 1930
Dec 1945–May 1947
18-Month
44.3°F
(6.8°C)
43.9°F
(6.6°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 1946 1918
49th Warmest Warmest since: 1945 2017
Ties: 1909, 1928, 1949, 1957, 1995
Jun 1945–May 1947
24-Month
48.0°F
(8.9°C)
48.2°F
(9.0°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1944 1905
79th Warmest Warmest since: 1946 2017
Ties: 1898, 1909, 1920, 1924, 1928
Jun 1944–May 1947
36-Month
48.3°F
(9.1°C)
48.2°F
(9.0°C)
0.1°F
(0.1°C)
68th Coolest Coolest since: 1945 1905, 1918, 1979
55th Warmest Warmest since: 1946 2000
Ties: 1902, 1958, 1966, 1973, 1975, 1986, 1998
Jun 1943–May 1947
48-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
57th Coolest Coolest since: 1946 1980
65th Warmest Warmest since: 1945 2001, 2002, 2007
Ties: 1977, 1983, 1985, 1995
Jun 1942–May 1947
60-Month
48.1°F
(8.9°C)
48.2°F
(9.0°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1931 1907, 1908
70th Warmest Warmest since: 1946 2002
Ties: 1926, 1954, 1968, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/