Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, August 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
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)
33rd Coolest
Coolest since:
1915
96th Warmest
Warmest since:
1947
Ties: 1903, 1974, 2020
Jul–Aug 1999
2-Month
76.0°F
(24.4°C)
75.3°F
(24.1°C)
0.7°F
(0.3°C)
90th Coolest
Coolest since:
1915, 1967
39th Warmest
Warmest since:
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:
1927
45th Warmest
Warmest since:
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)
85th Coolest
Coolest since:
1915
44th Warmest
Warmest since:
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)
97th Coolest
Coolest since:
1907
32nd Warmest
Warmest since:
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:
1960
48th Warmest
Warmest since:
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)
111th Coolest
Coolest since:
1904
18th Warmest
Warmest since:
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)
101st Coolest
Coolest since:
1978
28th Warmest
Warmest since:
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)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest since:
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)
112th Coolest
Coolest since:
1904
16th Warmest
Warmest since:
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)
117th Coolest
Coolest since:
1904
11th Warmest
Warmest since:
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)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
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)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
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)
121st Coolest
Coolest since:
1979
6th Warmest
Warmest since:
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)
103rd Coolest
Coolest since:
1979
23rd Warmest
Warmest since:
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:
1980
48th Warmest
Warmest since:
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:
1906, 1981, 1982
33rd Warmest
Warmest since:
2020
Ties: 1932, 1942, 1943, 1989, 1990, 1993, 2000

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