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 October 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, May 1984

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1984
1-Month
62.1°F
(16.7°C)
65.1°F
(18.4°C)
-3.0°F
(-1.7°C)
21st Coolest Coolest since: 1981 1917, 1924
106th Warmest Warmest since: 1983 2018
Ties: 1990
Apr–May 1984
2-Month
57.8°F
(14.3°C)
60.2°F
(15.7°C)
-2.4°F
(-1.4°C)
13th Coolest Coolest since: 1983 1907
114th Warmest Warmest since: 1982 1896
Ties: 1966
Mar–May 1984
3-Month
51.4°F
(10.8°C)
55.0°F
(12.8°C)
-3.6°F
(-2.0°C)
2nd Coolest Coolest since: 1960 1960
125th Warmest Warmest since: 1983 2012
Feb–May 1984
4-Month
48.4°F
(9.1°C)
49.9°F
(9.9°C)
-1.5°F
(-0.8°C)
28th Coolest Coolest since: 1980 1978
99th Warmest Warmest since: 1983 2012
Jan–May 1984
5-Month
44.1°F
(6.7°C)
46.2°F
(7.9°C)
-2.1°F
(-1.2°C)
16th Coolest Coolest since: 1980 1978
111th Warmest Warmest since: 1983 2012
Ties: 1920
Dec 1983–May 1984
6-Month
40.6°F
(4.8°C)
44.3°F
(6.8°C)
-3.7°F
(-2.0°C)
3rd Coolest Coolest since: 1979 1978
123rd Warmest Warmest since: 1983 2012
Ties: 1899, 1904
Nov 1983–May 1984
7-Month
41.6°F
(5.3°C)
44.3°F
(6.8°C)
-2.7°F
(-1.5°C)
7th Coolest Coolest since: 1979 1978
119th Warmest Warmest since: 1983 2012
Ties: 1918, 1936
Oct 1983–May 1984
8-Month
43.7°F
(6.5°C)
46.0°F
(7.8°C)
-2.3°F
(-1.3°C)
9th Coolest Coolest since: 1979 1978
117th Warmest Warmest since: 1983 2012
Ties: 1936
Sep 1983–May 1984
9-Month
46.6°F
(8.1°C)
48.6°F
(9.2°C)
-2.0°F
(-1.1°C)
9th Coolest Coolest since: 1979 1978
117th Warmest Warmest since: 1983 2012
Aug 1983–May 1984
10-Month
50.0°F
(10.0°C)
51.2°F
(10.7°C)
-1.2°F
(-0.7°C)
21st Coolest Coolest since: 1982 1978
105th Warmest Warmest since: 1983 2012
Ties: 1963
Jul 1983–May 1984
11-Month
52.8°F
(11.6°C)
53.7°F
(12.1°C)
-0.9°F
(-0.5°C)
25th Coolest Coolest since: 1982 1918
101st Warmest Warmest since: 1983 2012
Ties: 1902, 1906, 1924
Jun 1983–May 1984
12-Month
54.5°F
(12.5°C)
55.4°F
(13.0°C)
-0.9°F
(-0.5°C)
24th Coolest Coolest since: 1982 1904, 1918
102nd Warmest Warmest since: 1983 2012
Ties: 1924, 1969
Dec 1982–May 1984
18-Month
51.3°F
(10.7°C)
51.7°F
(10.9°C)
-0.4°F
(-0.2°C)
43rd Coolest Coolest since: 1983 1979
82nd Warmest Warmest since: 1981 2017
Ties: 1958
Jun 1982–May 1984
24-Month
54.8°F
(12.7°C)
55.4°F
(13.0°C)
-0.6°F
(-0.3°C)
31st Coolest Coolest since: 1983 1905, 1978
94th Warmest Warmest since: 1982 2017
Ties: 1962
Jun 1981–May 1984
36-Month
54.6°F
(12.6°C)
55.4°F
(13.0°C)
-0.8°F
(-0.4°C)
15th Coolest Coolest since: 1980 1979
109th Warmest Warmest since: 1983 2018
Ties: 1913, 1962, 1963, 1968, 1977
Jun 1980–May 1984
48-Month
55.1°F
(12.8°C)
55.4°F
(13.0°C)
-0.3°F
(-0.2°C)
39th Coolest Coolest since: 1983 1980
84th Warmest Warmest since: 1977 2019
Ties: 1901, 1921, 1965
Jun 1979–May 1984
60-Month
54.9°F
(12.7°C)
55.4°F
(13.0°C)
-0.5°F
(-0.3°C)
23rd Coolest Coolest since: 1983 1979, 1980, 1981
99th Warmest Warmest since: 1977 2020
Ties: 1903, 1918, 1930, 1961, 1973

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published November 2020, retrieved on November 30, 2020 from https://www.ncdc.noaa.gov/cag/