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 1984

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1984
1-Month
63.6°F
(17.6°C)
66.1°F
(18.9°C)
-2.5°F
(-1.3°C)
19th Coolest Coolest since: 1975 1918
107th Warmest Warmest since: 1983 1931, 1933
Ties: 1996
Aug–Sep 1984
2-Month
69.3°F
(20.7°C)
69.9°F
(21.1°C)
-0.6°F
(-0.4°C)
51st Coolest Coolest since: 1982 1967
75th Warmest Warmest since: 1983 1936
Ties: 1969
Jul–Sep 1984
3-Month
70.7°F
(21.5°C)
71.9°F
(22.2°C)
-1.2°F
(-0.7°C)
29th Coolest Coolest since: 1982 1967
97th Warmest Warmest since: 1983 1936
Ties: 1903, 1918, 1928, 1968
Jun–Sep 1984
4-Month
71.6°F
(22.0°C)
71.9°F
(22.2°C)
-0.3°F
(-0.2°C)
52nd Coolest Coolest since: 1982 1992
74th Warmest Warmest since: 1983 1936
Ties: 1899, 1909, 1960
May–Sep 1984
5-Month
69.0°F
(20.6°C)
69.9°F
(21.1°C)
-0.9°F
(-0.5°C)
37th Coolest Coolest since: 1982 1924, 1967
89th Warmest Warmest since: 1983 1936
Ties: 1982, 1994
Apr–Sep 1984
6-Month
65.8°F
(18.8°C)
66.8°F
(19.3°C)
-1.0°F
(-0.5°C)
30th Coolest Coolest since: 1982 1907
96th Warmest Warmest since: 1983 1936
Ties: 1909, 1929, 1976
Mar–Sep 1984
7-Month
61.0°F
(16.1°C)
62.8°F
(17.1°C)
-1.8°F
(-1.0°C)
10th Coolest Coolest since: 1967 1924
116th Warmest Warmest since: 1983 1936
Ties: 1926, 1992
Feb–Sep 1984
8-Month
57.9°F
(14.4°C)
58.5°F
(14.7°C)
-0.6°F
(-0.3°C)
41st Coolest Coolest since: 1982 1904
85th Warmest Warmest since: 1983 2012
Ties: 1909, 1992, 1997, 2015
Jan–Sep 1984
9-Month
54.0°F
(12.2°C)
54.7°F
(12.6°C)
-0.7°F
(-0.4°C)
43rd Coolest Coolest since: 1982 1904
83rd Warmest Warmest since: 1983 2012
Ties: 1903
Dec 1983–Sep 1984
10-Month
50.0°F
(10.0°C)
52.0°F
(11.1°C)
-2.0°F
(-1.1°C)
11th Coolest Coolest since: 1982 1904
114th Warmest Warmest since: 1983 2012
Ties: 1918
Nov 1983–Sep 1984
11-Month
49.5°F
(9.7°C)
51.0°F
(10.6°C)
-1.5°F
(-0.9°C)
17th Coolest Coolest since: 1982 1904
108th Warmest Warmest since: 1983 2012
Oct 1983–Sep 1984
12-Month
49.9°F
(9.9°C)
51.2°F
(10.7°C)
-1.3°F
(-0.8°C)
18th Coolest Coolest since: 1982 1904
107th Warmest Warmest since: 1983 2012
Ties: 1997
Apr 1983–Sep 1984
18-Month
55.8°F
(13.2°C)
56.5°F
(13.6°C)
-0.7°F
(-0.4°C)
33rd Coolest Coolest since: 1982 1904
92nd Warmest Warmest since: 1983 2012
Ties: 1903, 1910, 1960
Oct 1982–Sep 1984
24-Month
51.6°F
(10.9°C)
51.3°F
(10.7°C)
0.3°F
(0.2°C)
82nd Coolest Coolest since: 1983 1979
42nd Warmest Warmest since: 1976 2017
Ties: 1911, 1915, 1941, 1947, 1948, 1957, 2019
Oct 1981–Sep 1984
36-Month
50.8°F
(10.4°C)
51.3°F
(10.7°C)
-0.5°F
(-0.3°C)
35th Coolest Coolest since: 1982 1979
88th Warmest Warmest since: 1983 2018
Ties: 1901, 1927, 1929, 1972, 1995
Oct 1980–Sep 1984
48-Month
50.9°F
(10.5°C)
51.2°F
(10.7°C)
-0.3°F
(-0.2°C)
32nd Coolest Coolest since: 1982 1905
90th Warmest Warmest since: 1983 1934
Ties: 1900, 1913, 1915, 1917, 1928, 1951, 1965, 1973, 1985, 1995
Oct 1979–Sep 1984
60-Month
51.1°F
(10.6°C)
51.2°F
(10.7°C)
-0.1°F
(-0.1°C)
51st Coolest Coolest since: 1983 1906, 1982
70th Warmest Warmest since: 1977 1934
Ties: 1975, 1977

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published July 2020, retrieved on July 14, 2020 from https://www.ncdc.noaa.gov/cag/