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 December 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1948

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1948
1-Month
63.5°F
(17.5°C)
65.1°F
(18.4°C)
-1.6°F
(-0.9°C)
38th Coolest Coolest since: 1947 1917, 1924
88th Warmest Warmest since: 1944 2018
Apr–May 1948
2-Month
61.4°F
(16.3°C)
60.2°F
(15.7°C)
1.2°F
(0.6°C)
88th Coolest Coolest since: 1947 1907
38th Warmest Warmest since: 1941 1896
Ties: 1938, 1974, 2018
Mar–May 1948
3-Month
55.8°F
(13.2°C)
55.0°F
(12.8°C)
0.8°F
(0.4°C)
81st Coolest Coolest since: 1947 1960
45th Warmest Warmest since: 1946 2012
Ties: 1927, 1982, 1995
Feb–May 1948
4-Month
50.4°F
(10.2°C)
50.0°F
(10.0°C)
0.4°F
(0.2°C)
71st Coolest Coolest since: 1947 1978
55th Warmest Warmest since: 1946 2012
Ties: 1972, 1973, 2002
Jan–May 1948
5-Month
45.3°F
(7.4°C)
46.2°F
(7.9°C)
-0.9°F
(-0.5°C)
35th Coolest Coolest since: 1947 1978
91st Warmest Warmest since: 1946 2012
Ties: 1906, 1951, 2008
Dec 1947–May 1948
6-Month
43.9°F
(6.6°C)
44.2°F
(6.8°C)
-0.3°F
(-0.2°C)
46th Coolest Coolest since: 1947 1978
79th Warmest Warmest since: 1946 2012
Ties: 1913, 1962, 1964, 1994, 2003
Nov 1947–May 1948
7-Month
43.4°F
(6.3°C)
44.3°F
(6.8°C)
-0.9°F
(-0.5°C)
33rd Coolest Coolest since: 1940 1978
92nd Warmest Warmest since: 1947 2012
Ties: 2015
Oct 1947–May 1948
8-Month
46.1°F
(7.8°C)
46.0°F
(7.8°C)
0.1°F
(0.0°C)
60th Coolest Coolest since: 1947 1978
65th Warmest Warmest since: 1946 2012
Ties: 1943, 1981
Sep 1947–May 1948
9-Month
48.7°F
(9.3°C)
48.5°F
(9.2°C)
0.2°F
(0.1°C)
64th Coolest Coolest since: 1947 1978
61st Warmest Warmest since: 1946 2012
Ties: 1959, 1983
Aug 1947–May 1948
10-Month
52.1°F
(11.2°C)
51.3°F
(10.7°C)
0.8°F
(0.5°C)
87th Coolest Coolest since: 1947 1978
38th Warmest Warmest since: 1946 2012
Ties: 1981, 1986
Jul 1947–May 1948
11-Month
54.1°F
(12.3°C)
53.7°F
(12.1°C)
0.4°F
(0.2°C)
76th Coolest Coolest since: 1947 1918
49th Warmest Warmest since: 1946 2012
Ties: 1901, 1925, 1933, 1950, 1956, 1964
Jun 1947–May 1948
12-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1947 1904, 1918
54th Warmest Warmest since: 1946 2012
Ties: 1925, 1927, 1985, 1989, 2003
Dec 1946–May 1948
18-Month
51.5°F
(10.8°C)
51.6°F
(10.9°C)
-0.1°F
(-0.1°C)
48th Coolest Coolest since: 1941 1979
76th Warmest Warmest since: 1947 2017
Ties: 1925, 1966
Jun 1946–May 1948
24-Month
55.3°F
(12.9°C)
55.3°F
(12.9°C)
0.0°F
(0.0°C)
45th Coolest Coolest since: 1941 1905, 1978
79th Warmest Warmest since: 1947 2017
Ties: 1911, 1916, 1924, 1926, 1927, 1958, 1966, 1981
Jun 1945–May 1948
36-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
67th Coolest Coolest since: 1947 1979
56th Warmest Warmest since: 1947 2018
Ties: 1910, 1911, 1945, 1947, 1949, 1966
Jun 1944–May 1948
48-Month
55.5°F
(13.1°C)
55.3°F
(12.9°C)
0.2°F
(0.2°C)
61st Coolest Coolest since: 1947 1980
61st Warmest Warmest since: 1947 2019
Ties: 1916, 1947, 1967, 1995
Jun 1943–May 1948
60-Month
55.6°F
(13.1°C)
55.4°F
(13.0°C)
0.2°F
(0.1°C)
68th Coolest Coolest since: 1947 1979, 1980, 1981
53rd Warmest Warmest since: 1946 1935, 2019
Ties: 1926, 1940, 1949, 1950, 1987, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2020, retrieved on January 17, 2020 from https://www.ncdc.noaa.gov/cag/