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 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, August 1999

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1999
1-Month
72.8°F
(22.7°C)
74.2°F
(23.4°C)
-1.4°F
(-0.7°C)
34th Coolest Coolest since: 1997 1915
93rd Warmest Warmest since: 1998 1947
Ties: 1903, 1974
Jul–Aug 1999
2-Month
76.0°F
(24.4°C)
75.3°F
(24.1°C)
0.7°F
(0.3°C)
88th Coolest Coolest since: 1998 1915, 1967
39th Warmest Warmest since: 1995 1936
Ties: 1899, 1933, 1940, 1944
Jun–Aug 1999
3-Month
75.0°F
(23.9°C)
74.3°F
(23.5°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 1998 1927
43rd Warmest Warmest since: 1995 1936
Ties: 1955
May–Aug 1999
4-Month
72.4°F
(22.4°C)
71.5°F
(21.9°C)
0.9°F
(0.5°C)
84th Coolest Coolest since: 1997 1915
43rd Warmest Warmest since: 1998 1936
Ties: 1916, 1922, 1986
Apr–Aug 1999
5-Month
69.0°F
(20.6°C)
67.8°F
(19.9°C)
1.2°F
(0.7°C)
95th Coolest Coolest since: 1997 1907
32nd Warmest Warmest since: 1998 2010
Ties: 1943, 1949, 2016
Mar–Aug 1999
6-Month
64.1°F
(17.8°C)
63.4°F
(17.4°C)
0.7°F
(0.4°C)
81st Coolest Coolest since: 1997 1960
46th Warmest Warmest since: 1998 2012
Ties: 2000, 2004
Feb–Aug 1999
7-Month
60.5°F
(15.8°C)
58.9°F
(14.9°C)
1.6°F
(0.9°C)
109th Coolest Coolest since: 1997 1904
18th Warmest Warmest since: 1998 2012
Ties: 1946, 1955
Jan–Aug 1999
8-Month
56.5°F
(13.6°C)
55.0°F
(12.8°C)
1.5°F
(0.8°C)
99th Coolest Coolest since: 1997 1978
28th Warmest Warmest since: 1998 2012
Ties: 1934
Dec 1998–Aug 1999
9-Month
54.3°F
(12.4°C)
52.4°F
(11.3°C)
1.9°F
(1.1°C)
112th Coolest Coolest since: 1997 1904
14th Warmest Warmest since: 1998 2012
Ties: 1919, 1933, 1934, 1949, 2005
Nov 1998–Aug 1999
10-Month
53.5°F
(11.9°C)
51.4°F
(10.8°C)
2.1°F
(1.1°C)
110th Coolest Coolest since: 1997 1904
16th Warmest Warmest since: 1998 2012
Oct 1998–Aug 1999
11-Month
53.9°F
(12.2°C)
51.7°F
(10.9°C)
2.2°F
(1.3°C)
115th Coolest Coolest since: 1998 1904
11th Warmest Warmest since: 1998 2012
Ties: 1995, 1998, 2005
Sep 1998–Aug 1999
12-Month
55.4°F
(13.0°C)
53.1°F
(11.7°C)
2.3°F
(1.3°C)
117th Coolest Coolest since: 1998 1904
9th Warmest Warmest since: 1991 2012
Ties: 2006
Mar 1998–Aug 1999
18-Month
58.5°F
(14.7°C)
56.5°F
(13.6°C)
2.0°F
(1.1°C)
119th Coolest Coolest since: 1998 1904
7th Warmest Warmest since: 1954 2012
Ties: 2006, 2011
Sep 1997–Aug 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: 1933 2017
Ties: 1933, 2000, 2013
Sep 1996–Aug 1999
36-Month
54.1°F
(12.3°C)
53.0°F
(11.7°C)
1.1°F
(0.6°C)
102nd Coolest Coolest since: 1998 1979
22nd Warmest Warmest since: 1993 2018
Ties: 1922, 1935, 1943, 2020
Sep 1995–Aug 1999
48-Month
53.5°F
(11.9°C)
53.0°F
(11.7°C)
0.5°F
(0.2°C)
77th Coolest Coolest since: 1998 1980
46th Warmest Warmest since: 1994 2019
Ties: 1939, 1945, 1950, 1974, 1976, 1987
Sep 1994–Aug 1999
60-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 1998 1906, 1981, 1982
31st Warmest Warmest since: 1995 2020
Ties: 1932, 1942, 1943, 1989, 1990, 1993, 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published May 2021, retrieved on May 14, 2021 from https://www.ncdc.noaa.gov/cag/