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


Illinois, Climate Division 8. Southwest

Average Temperature Rankings, July 1978

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
July 1978
1-Month
78.3°F
(25.7°C)
77.9°F
(25.5°C)
0.4°F
(0.2°C)
80th Coolest Coolest since: 1976 2014
47th Warmest Warmest since: 1977 2012
Ties: 1987, 1991, 2018
Jun–Jul 1978
2-Month
76.2°F
(24.6°C)
76.0°F
(24.4°C)
0.2°F
(0.2°C)
78th Coolest Coolest since: 1976 1904, 1927
49th Warmest Warmest since: 1977 1934
Ties: 1897, 1942, 1957, 1973, 1984, 1994
May–Jul 1978
3-Month
72.0°F
(22.2°C)
72.3°F
(22.4°C)
-0.3°F
(-0.2°C)
53rd Coolest Coolest since: 1976 1924
74th Warmest Warmest since: 1977 1934
Ties: 1908, 1966, 1970, 1983
Apr–Jul 1978
4-Month
68.3°F
(20.2°C)
68.0°F
(20.0°C)
0.3°F
(0.2°C)
68th Coolest Coolest since: 1976 1907
59th Warmest Warmest since: 1977 2012
Ties: 1919, 1969
Mar–Jul 1978
5-Month
62.4°F
(16.9°C)
63.4°F
(17.4°C)
-1.0°F
(-0.5°C)
31st Coolest Coolest since: 1975 1960
96th Warmest Warmest since: 1977 2012
Ties: 1975, 1989
Feb–Jul 1978
6-Month
55.6°F
(13.1°C)
58.6°F
(14.8°C)
-3.0°F
(-1.7°C)
6th Coolest Coolest since: 1960 1947
121st Warmest Warmest since: 1977 2012
Ties: 1912
Jan–Jul 1978
7-Month
50.7°F
(10.4°C)
54.7°F
(12.6°C)
-4.0°F
(-2.2°C)
3rd Coolest Coolest since: 1912 1912
124th Warmest Warmest since: 1977 2012
Dec 1977–Jul 1978
8-Month
48.3°F
(9.1°C)
52.1°F
(11.2°C)
-3.8°F
(-2.1°C)
1st Coolest Coolest to Date 1978
125th Warmest Warmest since: 1977 2012
Nov 1977–Jul 1978
9-Month
48.1°F
(8.9°C)
51.4°F
(10.8°C)
-3.3°F
(-1.9°C)
3rd Coolest Coolest since: 1912 1904, 1912
123rd Warmest Warmest since: 1977 2012
Oct 1977–Jul 1978
10-Month
48.8°F
(9.3°C)
52.0°F
(11.1°C)
-3.2°F
(-1.8°C)
3rd Coolest Coolest since: 1912 1904, 1912
123rd Warmest Warmest since: 1977 2012
Sep 1977–Jul 1978
11-Month
50.7°F
(10.4°C)
53.5°F
(11.9°C)
-2.8°F
(-1.5°C)
2nd Coolest Coolest since: 1904 1904
124th Warmest Warmest since: 1977 2012
Aug 1977–Jul 1978
12-Month
52.8°F
(11.6°C)
55.4°F
(13.0°C)
-2.6°F
(-1.4°C)
2nd Coolest Coolest since: 1918 1904
124th Warmest Warmest since: 1977 2012
Ties: 1918
Feb 1977–Jul 1978
18-Month
55.7°F
(13.2°C)
56.5°F
(13.6°C)
-0.8°F
(-0.4°C)
28th Coolest Coolest since: 1977 1918, 1979
98th Warmest Warmest since: 1976 2012
Ties: 1940, 1948, 1958, 1982
Aug 1976–Jul 1978
24-Month
53.1°F
(11.7°C)
55.4°F
(13.0°C)
-2.3°F
(-1.3°C)
2nd Coolest Coolest to Date 1979
123rd Warmest Warmest since: 1977 2017
Aug 1975–Jul 1978
36-Month
54.1°F
(12.3°C)
55.3°F
(12.9°C)
-1.2°F
(-0.6°C)
7th Coolest Coolest since: 1970 1979
117th Warmest Warmest since: 1977 2018
Ties: 1918
Aug 1974–Jul 1978
48-Month
54.3°F
(12.4°C)
55.4°F
(13.0°C)
-1.1°F
(-0.6°C)
9th Coolest Coolest since: 1971 1980
114th Warmest Warmest since: 1977 2019
Ties: 1918
Aug 1973–Jul 1978
60-Month
54.7°F
(12.6°C)
55.3°F
(12.9°C)
-0.6°F
(-0.3°C)
14th Coolest Coolest since: 1972 1906, 1980
108th Warmest Warmest since: 1977 2020
Ties: 1904, 1919, 1963, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published April 2021, retrieved on April 21, 2021 from https://www.ncdc.noaa.gov/cag/