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 1977

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1977
1-Month
69.6°F
(20.9°C)
63.5°F
(17.5°C)
6.1°F
(3.4°C)
121st Coolest Coolest since: 1976 1924
5th Warmest Warmest since: 1962 2018
Ties: 1991
Apr–May 1977
2-Month
64.4°F
(18.0°C)
58.3°F
(14.6°C)
6.1°F
(3.4°C)
124th Coolest Coolest since: 1976 1907
2nd Warmest Warmest since: 1896 1896
Mar–May 1977
3-Month
58.7°F
(14.8°C)
52.7°F
(11.5°C)
6.0°F
(3.3°C)
124th Coolest Coolest since: 1976 1960
2nd Warmest Warmest to Date 2012
Feb–May 1977
4-Month
51.8°F
(11.0°C)
47.4°F
(8.6°C)
4.4°F
(2.4°C)
121st Coolest Coolest since: 1976 1978
5th Warmest Warmest since: 1921 2012
Jan–May 1977
5-Month
43.7°F
(6.5°C)
43.3°F
(6.3°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 1975 1978
54th Warmest Warmest since: 1976 2012
Ties: 1903, 1910, 1956, 2010
Dec 1976–May 1977
6-Month
40.8°F
(4.9°C)
41.3°F
(5.2°C)
-0.5°F
(-0.3°C)
44th Coolest Coolest since: 1971 1978
81st Warmest Warmest since: 1976 2012
Ties: 1962, 1994
Nov 1976–May 1977
7-Month
40.0°F
(4.4°C)
41.5°F
(5.3°C)
-1.5°F
(-0.9°C)
21st Coolest Coolest since: 1970 1904
104th Warmest Warmest since: 1976 2012
Ties: 1926
Oct 1976–May 1977
8-Month
41.2°F
(5.1°C)
43.3°F
(6.3°C)
-2.1°F
(-1.2°C)
12th Coolest Coolest since: 1960 1978
113th Warmest Warmest since: 1976 2012
Ties: 1960
Sep 1976–May 1977
9-Month
43.9°F
(6.6°C)
46.0°F
(7.8°C)
-2.1°F
(-1.2°C)
9th Coolest Coolest since: 1936 1904
116th Warmest Warmest since: 1976 2012
Aug 1976–May 1977
10-Month
46.6°F
(8.1°C)
48.8°F
(9.3°C)
-2.2°F
(-1.2°C)
7th Coolest Coolest since: 1918 1904
118th Warmest Warmest since: 1976 2012
Jul 1976–May 1977
11-Month
49.4°F
(9.7°C)
51.3°F
(10.7°C)
-1.9°F
(-1.0°C)
9th Coolest Coolest since: 1951 1904
116th Warmest Warmest since: 1976 2012
Ties: 1905
Jun 1976–May 1977
12-Month
51.3°F
(10.7°C)
53.2°F
(11.8°C)
-1.9°F
(-1.1°C)
11th Coolest Coolest since: 1951 1904
114th Warmest Warmest since: 1976 2012
Dec 1975–May 1977
18-Month
48.7°F
(9.3°C)
49.1°F
(9.5°C)
-0.4°F
(-0.2°C)
39th Coolest Coolest since: 1971 1979
85th Warmest Warmest since: 1976 2017
Ties: 1927, 1982
Jun 1975–May 1977
24-Month
52.9°F
(11.6°C)
53.1°F
(11.7°C)
-0.2°F
(-0.1°C)
41st Coolest Coolest since: 1971 1905
83rd Warmest Warmest since: 1976 2017
Ties: 1897, 1910, 1924, 1928, 1944, 2010
Jun 1974–May 1977
36-Month
52.7°F
(11.5°C)
53.1°F
(11.7°C)
-0.4°F
(-0.2°C)
33rd Coolest Coolest since: 1971 1979
90th Warmest Warmest since: 1976 2018
Ties: 1908, 1927, 1953, 1961, 1962, 1996
Jun 1973–May 1977
48-Month
53.2°F
(11.8°C)
53.1°F
(11.7°C)
0.1°F
(0.1°C)
57th Coolest Coolest since: 1973 1980
65th Warmest Warmest since: 1976 2019
Ties: 1916, 1946, 1947, 1986
Jun 1972–May 1977
60-Month
53.1°F
(11.7°C)
53.1°F
(11.7°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1973 1906, 1907, 1908
69th Warmest Warmest since: 1976 1957
Ties: 1926, 1947, 1953, 1960, 1966, 1967

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/