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


Illinois, Climate Division 9. Southeast

Average Temperature Rankings, May 1978

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1978
1-Month
63.3°F
(17.4°C)
65.0°F
(18.3°C)
-1.7°F
(-0.9°C)
38th Coolest Coolest since: 1976 1924
88th Warmest Warmest since: 1977 2018
Ties: 1948
Apr–May 1978
2-Month
60.2°F
(15.7°C)
60.2°F
(15.7°C)
0.0°F
(0.0°C)
49th Coolest Coolest since: 1976 1907
77th Warmest Warmest since: 1977 1896
Ties: 1937, 1956, 1958, 1960
Mar–May 1978
3-Month
53.0°F
(11.7°C)
55.1°F
(12.8°C)
-2.1°F
(-1.1°C)
15th Coolest Coolest since: 1971 1960
111th Warmest Warmest since: 1977 2012
Ties: 1923, 1940, 1993
Feb–May 1978
4-Month
45.0°F
(7.2°C)
50.0°F
(10.0°C)
-5.0°F
(-2.8°C)
1st Coolest Coolest to Date 1978
125th Warmest Warmest since: 1977 2012
Jan–May 1978
5-Month
40.2°F
(4.6°C)
46.3°F
(7.9°C)
-6.1°F
(-3.3°C)
1st Coolest Coolest to Date 1978
125th Warmest Warmest since: 1977 2012
Dec 1977–May 1978
6-Month
38.8°F
(3.8°C)
44.4°F
(6.9°C)
-5.6°F
(-3.1°C)
1st Coolest Coolest to Date 1978
124th Warmest Warmest since: 1977 2012
Nov 1977–May 1978
7-Month
40.0°F
(4.4°C)
44.5°F
(6.9°C)
-4.5°F
(-2.5°C)
1st Coolest Coolest to Date 1978
124th Warmest Warmest since: 1977 2012
Oct 1977–May 1978
8-Month
41.8°F
(5.4°C)
46.1°F
(7.8°C)
-4.3°F
(-2.4°C)
1st Coolest Coolest to Date 1978
124th Warmest Warmest since: 1977 2012
Sep 1977–May 1978
9-Month
45.1°F
(7.3°C)
48.7°F
(9.3°C)
-3.6°F
(-2.0°C)
1st Coolest Coolest to Date 1978
124th Warmest Warmest since: 1977 2017
Aug 1977–May 1978
10-Month
48.1°F
(8.9°C)
51.4°F
(10.8°C)
-3.3°F
(-1.9°C)
1st Coolest Coolest to Date 1978
124th Warmest Warmest since: 1977 2017
Jul 1977–May 1978
11-Month
51.0°F
(10.6°C)
53.8°F
(12.1°C)
-2.8°F
(-1.5°C)
2nd Coolest Coolest since: 1977 1977
123rd Warmest Warmest since: 1976 2012, 2017
Ties: 1918
Jun 1977–May 1978
12-Month
52.9°F
(11.6°C)
55.5°F
(13.1°C)
-2.6°F
(-1.5°C)
4th Coolest Coolest since: 1977 1977
121st Warmest Warmest since: 1976 2012, 2017
Dec 1976–May 1978
18-Month
49.6°F
(9.8°C)
51.8°F
(11.0°C)
-2.2°F
(-1.2°C)
5th Coolest Coolest since: 1918 1979
119th Warmest Warmest since: 1977 2017
Jun 1976–May 1978
24-Month
52.7°F
(11.5°C)
55.4°F
(13.0°C)
-2.7°F
(-1.5°C)
1st Coolest Coolest to Date 1978
123rd Warmest Warmest since: 1977 2017
Jun 1975–May 1978
36-Month
53.9°F
(12.2°C)
55.4°F
(13.0°C)
-1.5°F
(-0.8°C)
5th Coolest Coolest since: 1970 1979
118th Warmest Warmest since: 1977 2018
Jun 1974–May 1978
48-Month
54.0°F
(12.2°C)
55.4°F
(13.0°C)
-1.4°F
(-0.8°C)
3rd Coolest Coolest since: 1971 1980
119th Warmest Warmest since: 1977 2019
Ties: 1971
Jun 1973–May 1978
60-Month
54.6°F
(12.6°C)
55.4°F
(13.0°C)
-0.8°F
(-0.4°C)
11th Coolest Coolest since: 1972 1980, 1981
110th Warmest Warmest since: 1977 1935
Ties: 1907, 1964, 1972, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published July 2019, retrieved on July 22, 2019 from https://www.ncdc.noaa.gov/cag/