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 April 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, September 1997

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1997
1-Month
66.7°F
(19.3°C)
66.1°F
(18.9°C)
0.6°F
(0.4°C)
75th Coolest Coolest since: 1996 1918
51st Warmest Warmest since: 1990 1931, 1933
Ties: 1973, 1977
Aug–Sep 1997
2-Month
69.0°F
(20.6°C)
69.9°F
(21.1°C)
-0.9°F
(-0.5°C)
42nd Coolest Coolest since: 1996 1967
84th Warmest Warmest since: 1995 1936
Ties: 1918, 1943
Jul–Sep 1997
3-Month
71.0°F
(21.7°C)
71.9°F
(22.2°C)
-0.9°F
(-0.5°C)
40th Coolest Coolest since: 1996 1967
86th Warmest Warmest since: 1995 1936
Jun–Sep 1997
4-Month
71.0°F
(21.7°C)
71.8°F
(22.1°C)
-0.8°F
(-0.4°C)
40th Coolest Coolest since: 1996 1992
86th Warmest Warmest since: 1995 1936
Ties: 1912
May–Sep 1997
5-Month
68.3°F
(20.2°C)
69.9°F
(21.1°C)
-1.6°F
(-0.9°C)
18th Coolest Coolest since: 1996 1924, 1967
108th Warmest Warmest since: 1995 1936
Ties: 1928, 1929, 1946
Apr–Sep 1997
6-Month
64.8°F
(18.2°C)
66.8°F
(19.3°C)
-2.0°F
(-1.1°C)
10th Coolest Coolest since: 1992 1907
116th Warmest Warmest since: 1996 1936
Ties: 1966
Mar–Sep 1997
7-Month
61.6°F
(16.4°C)
62.9°F
(17.2°C)
-1.3°F
(-0.8°C)
23rd Coolest Coolest since: 1996 1924
103rd Warmest Warmest since: 1995 1936
Ties: 1966, 1969, 2008, 2013
Feb–Sep 1997
8-Month
57.9°F
(14.4°C)
58.5°F
(14.7°C)
-0.6°F
(-0.3°C)
41st Coolest Coolest since: 1996 1904
85th Warmest Warmest since: 1995 2012
Ties: 1909, 1984, 1992, 2015
Jan–Sep 1997
9-Month
53.6°F
(12.0°C)
54.7°F
(12.6°C)
-1.1°F
(-0.6°C)
30th Coolest Coolest since: 1996 1904
96th Warmest Warmest since: 1995 2012
Ties: 2003
Dec 1996–Sep 1997
10-Month
51.0°F
(10.6°C)
52.0°F
(11.1°C)
-1.0°F
(-0.5°C)
28th Coolest Coolest since: 1996 1904
97th Warmest Warmest since: 1995 2012
Ties: 1945, 1950, 1960, 1961, 1963, 1970, 2001
Nov 1996–Sep 1997
11-Month
49.4°F
(9.7°C)
50.9°F
(10.5°C)
-1.5°F
(-0.8°C)
15th Coolest Coolest since: 1996 1904
110th Warmest Warmest since: 1995 2012
Ties: 1924
Oct 1996–Sep 1997
12-Month
49.9°F
(9.9°C)
51.3°F
(10.7°C)
-1.4°F
(-0.8°C)
18th Coolest Coolest since: 1996 1904
107th Warmest Warmest since: 1995 2012
Ties: 1984
Apr 1996–Sep 1997
18-Month
54.9°F
(12.7°C)
56.5°F
(13.6°C)
-1.6°F
(-0.9°C)
9th Coolest Coolest since: 1996 1904
116th Warmest Warmest since: 1996 2012
Ties: 1982, 1996
Oct 1995–Sep 1997
24-Month
49.6°F
(9.8°C)
51.2°F
(10.7°C)
-1.6°F
(-0.9°C)
7th Coolest Coolest since: 1979 1979
117th Warmest Warmest since: 1996 2017
Oct 1994–Sep 1997
36-Month
50.5°F
(10.3°C)
51.3°F
(10.7°C)
-0.8°F
(-0.4°C)
16th Coolest Coolest since: 1996 1979
107th Warmest Warmest since: 1996 2018
Ties: 1899, 1907, 1912, 1919, 1926, 1963, 1967, 1981, 1994, 1996
Oct 1993–Sep 1997
48-Month
50.4°F
(10.2°C)
51.2°F
(10.7°C)
-0.8°F
(-0.5°C)
13th Coolest Coolest since: 1996 1905
109th Warmest Warmest since: 1996 1934
Ties: 1902, 1929, 1961, 1971, 1978, 1996
Oct 1992–Sep 1997
60-Month
50.3°F
(10.2°C)
51.2°F
(10.7°C)
-0.9°F
(-0.5°C)
9th Coolest Coolest since: 1982 1906, 1982
112th Warmest Warmest since: 1996 1934
Ties: 1904, 1971

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published May 2020, retrieved on June 3, 2020 from https://www.ncdc.noaa.gov/cag/