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 1948

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1948
1-Month
56.5°F
(13.6°C)
59.7°F
(15.4°C)
-3.2°F
(-1.8°C)
19th Coolest Coolest since: 1947 1907
107th Warmest Warmest since: 1946 1977
Ties: 1919, 1990, 2002
Apr–May 1948
2-Month
55.0°F
(12.8°C)
54.1°F
(12.3°C)
0.9°F
(0.5°C)
83rd Coolest Coolest since: 1947 1907
43rd Warmest Warmest since: 1942 1977
Ties: 1902, 1969, 1994
Mar–May 1948
3-Month
48.2°F
(9.0°C)
47.9°F
(8.8°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1947 1960
58th Warmest Warmest since: 1946 2012
Ties: 1927, 1962, 2003
Feb–May 1948
4-Month
41.9°F
(5.5°C)
41.9°F
(5.5°C)
0.0°F
(0.0°C)
63rd Coolest Coolest since: 1947 1947
63rd Warmest Warmest since: 1946 2012
Jan–May 1948
5-Month
36.7°F
(2.6°C)
37.5°F
(3.1°C)
-0.8°F
(-0.5°C)
45th Coolest Coolest since: 1947 1912
81st Warmest Warmest since: 1946 2012
Ties: 1897, 1975
Dec 1947–May 1948
6-Month
35.2°F
(1.8°C)
35.4°F
(1.9°C)
-0.2°F
(-0.1°C)
55th Coolest Coolest since: 1947 1979
70th Warmest Warmest since: 1946 2012
Ties: 1945, 2019
Nov 1947–May 1948
7-Month
34.7°F
(1.5°C)
35.7°F
(2.1°C)
-1.0°F
(-0.6°C)
32nd Coolest Coolest since: 1947 1904
93rd Warmest Warmest since: 1947 2012
Ties: 1947, 2008, 2015
Oct 1947–May 1948
8-Month
37.9°F
(3.3°C)
37.7°F
(3.2°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1947 1912
54th Warmest Warmest since: 1946 2012
Ties: 1900, 1944, 1945, 1950
Sep 1947–May 1948
9-Month
41.0°F
(5.0°C)
40.6°F
(4.8°C)
0.4°F
(0.2°C)
79th Coolest Coolest since: 1947 1904
46th Warmest Warmest since: 1946 2012
Ties: 1903, 1953, 1973
Aug 1947–May 1948
10-Month
44.8°F
(7.1°C)
43.7°F
(6.5°C)
1.1°F
(0.6°C)
95th Coolest Coolest since: 1947 1904
30th Warmest Warmest since: 1942 2012
Ties: 1922, 1985, 2010
Jul 1947–May 1948
11-Month
47.1°F
(8.4°C)
46.3°F
(7.9°C)
0.8°F
(0.5°C)
88th Coolest Coolest since: 1947 1904
37th Warmest Warmest since: 1942 2012
Ties: 1896, 1949, 1989
Jun 1947–May 1948
12-Month
48.7°F
(9.3°C)
48.2°F
(9.0°C)
0.5°F
(0.3°C)
74th Coolest Coolest since: 1947 1904
51st Warmest Warmest since: 1945 2012
Ties: 1911, 1990, 2008
Dec 1946–May 1948
18-Month
43.8°F
(6.6°C)
43.9°F
(6.6°C)
-0.1°F
(0.0°C)
52nd Coolest Coolest since: 1944 1918
72nd Warmest Warmest since: 1947 2017
Ties: 1911, 1920, 1958, 1973, 1977, 1985
Jun 1946–May 1948
24-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1947 1905
69th Warmest Warmest since: 1946 2017
Ties: 1897, 1902, 1964
Jun 1945–May 1948
36-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
57th Coolest Coolest since: 1945 1905, 1918, 1979
66th Warmest Warmest since: 1947 2000
Ties: 1916, 1937, 1938
Jun 1944–May 1948
48-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1947 1980
55th Warmest Warmest since: 1945 2001, 2002, 2007
Ties: 1925, 1949, 1950, 1984, 2016
Jun 1943–May 1948
60-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
65th Coolest Coolest since: 1947 1907, 1908
56th Warmest Warmest since: 1946 2002
Ties: 1950, 1955

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/