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


Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, October 1999

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
October 1999
1-Month
56.0°F
(13.3°C)
55.7°F
(13.2°C)
0.3°F
(0.1°C)
69th Coolest Coolest since: 1997 1925
58th Warmest Warmest since: 1998 1963
Ties: 1935, 2011
Sep–Oct 1999
2-Month
61.5°F
(16.4°C)
61.5°F
(16.4°C)
0.0°F
(0.0°C)
66th Coolest Coolest since: 1996 1917
61st Warmest Warmest since: 1998 1971, 2016
Ties: 1944
Aug–Oct 1999
3-Month
65.3°F
(18.5°C)
65.8°F
(18.8°C)
-0.5°F
(-0.3°C)
50th Coolest Coolest since: 1997 1976
77th Warmest Warmest since: 1998 1947, 2007
Ties: 1924, 1928, 1989
Jul–Oct 1999
4-Month
68.8°F
(20.4°C)
68.5°F
(20.3°C)
0.3°F
(0.1°C)
75th Coolest Coolest since: 1997 1967
52nd Warmest Warmest since: 1998 1936
Ties: 1920, 1944, 2015
Jun–Oct 1999
5-Month
69.6°F
(20.9°C)
69.2°F
(20.7°C)
0.4°F
(0.2°C)
77th Coolest Coolest since: 1997 1917
50th Warmest Warmest since: 1998 1936
Ties: 1932, 1949, 2015
May–Oct 1999
6-Month
68.8°F
(20.4°C)
68.2°F
(20.1°C)
0.6°F
(0.3°C)
80th Coolest Coolest since: 1997 1917
47th Warmest Warmest since: 1998 1936
Ties: 1926, 1970, 1971, 1995
Apr–Oct 1999
7-Month
66.9°F
(19.4°C)
66.0°F
(18.9°C)
0.9°F
(0.5°C)
91st Coolest Coolest since: 1997 1907
36th Warmest Warmest since: 1998 2010
Ties: 1987, 2001
Mar–Oct 1999
8-Month
63.5°F
(17.5°C)
63.0°F
(17.2°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 1997 1917
48th Warmest Warmest since: 1998 2012
Ties: 1956
Feb–Oct 1999
9-Month
60.7°F
(15.9°C)
59.4°F
(15.2°C)
1.3°F
(0.7°C)
98th Coolest Coolest since: 1997 1917
29th Warmest Warmest since: 1998 2012
Ties: 1919, 1925, 1959
Jan–Oct 1999
10-Month
57.5°F
(14.2°C)
56.3°F
(13.5°C)
1.2°F
(0.7°C)
95th Coolest Coolest since: 1997 1979
32nd Warmest Warmest since: 1998 2012
Ties: 2018
Dec 1998–Oct 1999
11-Month
55.6°F
(13.1°C)
54.1°F
(12.3°C)
1.5°F
(0.8°C)
106th Coolest Coolest since: 1997 1904
20th Warmest Warmest since: 1998 2012
Ties: 1922, 1931, 2010
Nov 1998–Oct 1999
12-Month
54.8°F
(12.7°C)
53.0°F
(11.7°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 1997 1904
16th Warmest Warmest since: 1998 2012
Ties: 1995
May 1998–Oct 1999
18-Month
60.0°F
(15.6°C)
58.1°F
(14.5°C)
1.9°F
(1.1°C)
119th Coolest Coolest since: 1998 1904
7th Warmest Warmest since: 1954 2012
Nov 1997–Oct 1999
24-Month
55.2°F
(12.9°C)
53.0°F
(11.7°C)
2.2°F
(1.2°C)
119th Coolest Coolest since: 1998 1979
6th Warmest Warmest since: 1954 2017
Ties: 2018
Nov 1996–Oct 1999
36-Month
54.2°F
(12.3°C)
53.0°F
(11.7°C)
1.2°F
(0.6°C)
105th Coolest Coolest since: 1998 1979
19th Warmest Warmest since: 1992 2018
Ties: 1921, 1935, 1991, 2004
Nov 1995–Oct 1999
48-Month
53.5°F
(11.9°C)
53.0°F
(11.7°C)
0.5°F
(0.2°C)
80th Coolest Coolest since: 1998 1905, 1980
43rd Warmest Warmest since: 1998 2019
Ties: 1950, 1986, 1998, 2011, 2015
Nov 1994–Oct 1999
60-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
90th Coolest Coolest since: 1998 1982
32nd Warmest Warmest since: 1995 2020
Ties: 1995

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published October 2021, retrieved on October 23, 2021 from https://www.ncdc.noaa.gov/cag/