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 6. West Southwest

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
62.1°F
(16.7°C)
63.5°F
(17.5°C)
-1.4°F
(-0.8°C)
41st Coolest Coolest since: 1976 1924
85th Warmest Warmest since: 1977 2018
Apr–May 1978
2-Month
58.3°F
(14.6°C)
58.3°F
(14.6°C)
0.0°F
(0.0°C)
56th Coolest Coolest since: 1976 1907
70th Warmest Warmest since: 1977 1896
Mar–May 1978
3-Month
50.5°F
(10.3°C)
52.7°F
(11.5°C)
-2.2°F
(-1.2°C)
18th Coolest Coolest since: 1960 1960
108th Warmest Warmest since: 1977 2012
Ties: 1906, 2013
Feb–May 1978
4-Month
42.4°F
(5.8°C)
47.3°F
(8.5°C)
-4.9°F
(-2.7°C)
1st Coolest Coolest to Date 1978
125th Warmest Warmest since: 1977 2012
Jan–May 1978
5-Month
37.3°F
(2.9°C)
43.3°F
(6.3°C)
-6.0°F
(-3.4°C)
1st Coolest Coolest to Date 1978
125th Warmest Warmest since: 1977 2012
Dec 1977–May 1978
6-Month
35.8°F
(2.1°C)
41.3°F
(5.2°C)
-5.5°F
(-3.1°C)
1st Coolest Coolest to Date 1978
124th Warmest Warmest since: 1977 2012
Nov 1977–May 1978
7-Month
36.9°F
(2.7°C)
41.4°F
(5.2°C)
-4.5°F
(-2.5°C)
2nd Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1977 2012
Oct 1977–May 1978
8-Month
39.0°F
(3.9°C)
43.3°F
(6.3°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
42.3°F
(5.7°C)
45.9°F
(7.7°C)
-3.6°F
(-2.0°C)
2nd Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1977 2012
Aug 1977–May 1978
10-Month
45.4°F
(7.4°C)
48.8°F
(9.3°C)
-3.4°F
(-1.9°C)
2nd Coolest Coolest since: 1904 1904
123rd Warmest Warmest since: 1977 2012
Jul 1977–May 1978
11-Month
48.5°F
(9.2°C)
51.4°F
(10.8°C)
-2.9°F
(-1.6°C)
3rd Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1977 2012
Jun 1977–May 1978
12-Month
50.4°F
(10.2°C)
53.1°F
(11.7°C)
-2.7°F
(-1.5°C)
3rd Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1977 2012
Dec 1976–May 1978
18-Month
47.2°F
(8.4°C)
49.2°F
(9.6°C)
-2.0°F
(-1.2°C)
6th Coolest Coolest since: 1918 1979
118th Warmest Warmest since: 1977 2017
Jun 1976–May 1978
24-Month
50.9°F
(10.5°C)
53.2°F
(11.8°C)
-2.3°F
(-1.3°C)
3rd Coolest Coolest since: 1905 1905
121st Warmest Warmest since: 1977 2017
Jun 1975–May 1978
36-Month
52.1°F
(11.2°C)
53.1°F
(11.7°C)
-1.0°F
(-0.5°C)
9th Coolest Coolest since: 1970 1979
114th Warmest Warmest since: 1977 2018
Ties: 1907, 1919
Jun 1974–May 1978
48-Month
52.1°F
(11.2°C)
53.1°F
(11.7°C)
-1.0°F
(-0.5°C)
10th Coolest Coolest since: 1971 1980
112th Warmest Warmest since: 1977 2019
Ties: 1904, 1919, 1970
Jun 1973–May 1978
60-Month
52.6°F
(11.4°C)
53.1°F
(11.7°C)
-0.5°F
(-0.3°C)
22nd Coolest Coolest since: 1972 1906, 1907, 1908
99th Warmest Warmest since: 1977 1957
Ties: 1903, 1928, 1929, 1963, 1969

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/