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 May 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1930

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 1930
1-Month
65.6°F
(18.7°C)
65.1°F
(18.4°C)
0.5°F
(0.3°C)
64th Coolest Coolest since: 1929 1917, 1924
64th Warmest Warmest since: 1926 2018
Ties: 1957, 1958
Apr–May 1930
2-Month
62.3°F
(16.8°C)
60.2°F
(15.7°C)
2.1°F
(1.1°C)
104th Coolest Coolest since: 1929 1907
24th Warmest Warmest since: 1922 1896
Mar–May 1930
3-Month
55.9°F
(13.3°C)
55.0°F
(12.8°C)
0.9°F
(0.5°C)
83rd Coolest Coolest since: 1928 1960
45th Warmest Warmest since: 1929 2012
Feb–May 1930
4-Month
52.8°F
(11.6°C)
50.0°F
(10.0°C)
2.8°F
(1.6°C)
114th Coolest Coolest since: 1929 1978
14th Warmest Warmest since: 1925 2012
Ties: 2004
Jan–May 1930
5-Month
47.1°F
(8.4°C)
46.2°F
(7.9°C)
0.9°F
(0.5°C)
86th Coolest Coolest since: 1929 1978
42nd Warmest Warmest since: 1927 2012
Ties: 1898, 1919, 1922, 1949
Dec 1929–May 1930
6-Month
45.2°F
(7.3°C)
44.2°F
(6.8°C)
1.0°F
(0.5°C)
81st Coolest Coolest since: 1929 1978
46th Warmest Warmest since: 1927 2012
Ties: 1986
Nov 1929–May 1930
7-Month
44.5°F
(6.9°C)
44.3°F
(6.8°C)
0.2°F
(0.1°C)
59th Coolest Coolest since: 1929 1978
68th Warmest Warmest since: 1927 2012
Ties: 1898, 1916, 1952, 2011
Oct 1929–May 1930
8-Month
46.0°F
(7.8°C)
46.0°F
(7.8°C)
0.0°F
(0.0°C)
55th Coolest Coolest since: 1929 1978
72nd Warmest Warmest since: 1928 2012
Ties: 1928, 1965, 1966, 1975
Sep 1929–May 1930
9-Month
48.4°F
(9.1°C)
48.5°F
(9.2°C)
-0.1°F
(-0.1°C)
46th Coolest Coolest since: 1929 1978
81st Warmest Warmest since: 1928 2012
Ties: 1913, 1945, 1947, 1952
Aug 1929–May 1930
10-Month
51.0°F
(10.6°C)
51.3°F
(10.7°C)
-0.3°F
(-0.1°C)
41st Coolest Coolest since: 1929 1978
86th Warmest Warmest since: 1928 2012
Ties: 1913, 2001
Jul 1929–May 1930
11-Month
53.4°F
(11.9°C)
53.7°F
(12.1°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1929 1918
85th Warmest Warmest since: 1928 2012
Ties: 1913, 1928, 1962, 1966, 2010
Jun 1929–May 1930
12-Month
54.9°F
(12.7°C)
55.4°F
(13.0°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1929 1904, 1918
87th Warmest Warmest since: 1927 2012
Ties: 1902, 1926, 1962, 2001
Dec 1928–May 1930
18-Month
51.1°F
(10.6°C)
51.7°F
(10.9°C)
-0.6°F
(-0.3°C)
36th Coolest Coolest since: 1929 1979
90th Warmest Warmest since: 1928 2017
Ties: 1911, 1941, 2014
Jun 1928–May 1930
24-Month
54.6°F
(12.6°C)
55.3°F
(12.9°C)
-0.7°F
(-0.3°C)
21st Coolest Coolest since: 1929 1905, 1978
105th Warmest Warmest since: 1929 2017
Ties: 1929, 1951, 1959, 1963, 1977, 1983
Jun 1927–May 1930
36-Month
54.7°F
(12.6°C)
55.4°F
(13.0°C)
-0.7°F
(-0.4°C)
21st Coolest Coolest since: 1920 1979
104th Warmest Warmest since: 1929 2018
Ties: 1899, 1901, 1952, 1961, 1981
Jun 1926–May 1930
48-Month
54.9°F
(12.7°C)
55.3°F
(12.9°C)
-0.4°F
(-0.2°C)
23rd Coolest Coolest since: 1929 1980
101st Warmest Warmest since: 1929 2019
Ties: 1900, 1929, 1964, 1985, 1996
Jun 1925–May 1930
60-Month
54.9°F
(12.7°C)
55.3°F
(12.9°C)
-0.4°F
(-0.2°C)
23rd Coolest Coolest since: 1920 1979, 1980, 1981
100th Warmest Warmest since: 1929 2020
Ties: 1903, 1918, 1961, 1973, 1984

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2021, retrieved on June 15, 2021 from https://www.ncdc.noaa.gov/cag/