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 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, September 1978

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1978
1-Month
70.1°F
(21.2°C)
66.1°F
(18.9°C)
4.0°F
(2.3°C)
115th Coolest Coolest since: 1977 1918
11th Warmest Warmest since: 1939 1931, 1933
Ties: 1906, 1936
Aug–Sep 1978
2-Month
71.4°F
(21.9°C)
69.9°F
(21.1°C)
1.5°F
(0.8°C)
96th Coolest Coolest since: 1977 1967
30th Warmest Warmest since: 1960 1936
Ties: 1939, 1948, 1953, 2002
Jul–Sep 1978
3-Month
72.6°F
(22.6°C)
71.9°F
(22.2°C)
0.7°F
(0.4°C)
85th Coolest Coolest since: 1977 1967
41st Warmest Warmest since: 1959 1936
Ties: 1911
Jun–Sep 1978
4-Month
72.4°F
(22.4°C)
71.8°F
(22.1°C)
0.6°F
(0.3°C)
83rd Coolest Coolest since: 1977 1992
43rd Warmest Warmest since: 1959 1936
Ties: 1940, 1956
May–Sep 1978
5-Month
70.1°F
(21.2°C)
69.9°F
(21.1°C)
0.2°F
(0.1°C)
74th Coolest Coolest since: 1976 1924, 1967
52nd Warmest Warmest since: 1977 1936
Ties: 1898, 1916, 1918, 1947, 1948, 1957, 2006
Apr–Sep 1978
6-Month
67.1°F
(19.5°C)
66.8°F
(19.3°C)
0.3°F
(0.2°C)
69th Coolest Coolest since: 1976 1907
57th Warmest Warmest since: 1977 1936
Ties: 1897, 1949
Mar–Sep 1978
7-Month
62.1°F
(16.7°C)
62.8°F
(17.1°C)
-0.7°F
(-0.4°C)
38th Coolest Coolest since: 1975 1924
88th Warmest Warmest since: 1977 1936
Ties: 1927, 1940, 1979
Feb–Sep 1978
8-Month
56.4°F
(13.6°C)
58.6°F
(14.8°C)
-2.2°F
(-1.2°C)
11th Coolest Coolest since: 1967 1904
115th Warmest Warmest since: 1977 2012
Ties: 1912, 1979, 1996
Jan–Sep 1978
9-Month
51.7°F
(10.9°C)
54.7°F
(12.6°C)
-3.0°F
(-1.7°C)
5th Coolest Coolest since: 1924 1904
121st Warmest Warmest since: 1977 2012
Ties: 1924
Dec 1977–Sep 1978
10-Month
48.9°F
(9.4°C)
52.0°F
(11.1°C)
-3.1°F
(-1.7°C)
4th Coolest Coolest since: 1904 1904
121st Warmest Warmest since: 1977 2012
Nov 1977–Sep 1978
11-Month
48.1°F
(8.9°C)
50.9°F
(10.5°C)
-2.8°F
(-1.6°C)
4th Coolest Coolest since: 1912 1904
121st Warmest Warmest since: 1977 2012
Oct 1977–Sep 1978
12-Month
48.4°F
(9.1°C)
51.2°F
(10.7°C)
-2.8°F
(-1.6°C)
4th Coolest Coolest since: 1912 1904
121st Warmest Warmest since: 1977 2012
Apr 1977–Sep 1978
18-Month
55.3°F
(12.9°C)
56.4°F
(13.6°C)
-1.1°F
(-0.7°C)
19th Coolest Coolest since: 1977 1904
106th Warmest Warmest since: 1977 2012
Ties: 1929, 1977
Oct 1976–Sep 1978
24-Month
49.2°F
(9.6°C)
51.2°F
(10.7°C)
-2.0°F
(-1.1°C)
4th Coolest Coolest since: 1918 1979
120th Warmest Warmest since: 1977 2017
Oct 1975–Sep 1978
36-Month
50.3°F
(10.2°C)
51.2°F
(10.7°C)
-0.9°F
(-0.5°C)
10th Coolest Coolest since: 1971 1979
113th Warmest Warmest since: 1977 2018
Ties: 1960, 1969, 1970, 1971
Oct 1974–Sep 1978
48-Month
50.4°F
(10.2°C)
51.2°F
(10.7°C)
-0.8°F
(-0.5°C)
13th Coolest Coolest since: 1971 1905
109th Warmest Warmest since: 1977 1934
Ties: 1902, 1929, 1961, 1971, 1996, 1997
Oct 1973–Sep 1978
60-Month
50.6°F
(10.3°C)
51.2°F
(10.7°C)
-0.6°F
(-0.4°C)
19th Coolest Coolest since: 1971 1906, 1982
102nd Warmest Warmest since: 1977 1934
Ties: 1902, 1919, 1928, 1996

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published July 2020, retrieved on July 15, 2020 from https://www.ncdc.noaa.gov/cag/