Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 7. East Southeast

Average Temperature Rankings, September 1980

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1980
1-Month
69.2°F
(20.7°C)
67.4°F
(19.7°C)
1.8°F
(1.0°C)
88th Coolest
Coolest since:
1918
41st Warmest
Warmest since:
1925
Ties: 1915
Aug–Sep 1980
2-Month
73.6°F
(23.1°C)
70.8°F
(21.6°C)
2.8°F
(1.5°C)
116th Coolest
Coolest since:
1967
13th Warmest
Warmest since:
1936
Ties: 1998
Jul–Sep 1980
3-Month
75.6°F
(24.2°C)
72.6°F
(22.6°C)
3.0°F
(1.6°C)
124th Coolest
Coolest since:
1967
5th Warmest
Warmest since:
1936
Ties: 2002
Jun–Sep 1980
4-Month
74.6°F
(23.7°C)
72.6°F
(22.6°C)
2.0°F
(1.1°C)
111th Coolest
Coolest since:
1967
18th Warmest
Warmest since:
1936
Ties: 2007, 2018
May–Sep 1980
5-Month
72.5°F
(22.5°C)
70.7°F
(21.5°C)
1.8°F
(1.0°C)
108th Coolest
Coolest since:
1924
21st Warmest
Warmest since:
1936
Ties: 2002, 2005
Apr–Sep 1980
6-Month
68.9°F
(20.5°C)
67.8°F
(19.9°C)
1.1°F
(0.6°C)
93rd Coolest
Coolest since:
1907
36th Warmest
Warmest since:
2010
Mar–Sep 1980
7-Month
64.3°F
(17.9°C)
64.0°F
(17.8°C)
0.3°F
(0.1°C)
71st Coolest
Coolest since:
1924
58th Warmest
Warmest since:
2012
Ties: 1895, 1898, 1963, 1983
Feb–Sep 1980
8-Month
59.2°F
(15.1°C)
59.9°F
(15.5°C)
-0.7°F
(-0.4°C)
38th Coolest
Coolest since:
1904, 1924
91st Warmest
Warmest since:
2012
Ties: 1897, 1905, 1926, 1963, 1968, 2008, 2013
Jan–Sep 1980
9-Month
55.8°F
(13.2°C)
56.4°F
(13.6°C)
-0.6°F
(-0.4°C)
43rd Coolest
Coolest since:
1979
86th Warmest
Warmest since:
2012
Ties: 1962, 1993
Dec 1979–Sep 1980
10-Month
53.8°F
(12.1°C)
53.9°F
(12.2°C)
-0.1°F
(-0.1°C)
58th Coolest
Coolest since:
1904
70th Warmest
Warmest since:
2012
Ties: 1901, 1937, 1956, 1989
Nov 1979–Sep 1980
11-Month
52.7°F
(11.5°C)
52.9°F
(11.6°C)
-0.2°F
(-0.1°C)
51st Coolest
Coolest since:
1904
77th Warmest
Warmest since:
2012
Ties: 1901, 1947, 1950, 1965, 2008
Oct 1979–Sep 1980
12-Month
52.9°F
(11.6°C)
53.1°F
(11.7°C)
-0.2°F
(-0.1°C)
52nd Coolest
Coolest since:
1904
76th Warmest
Warmest since:
2012
Ties: 1975, 2009
Apr 1979–Sep 1980
18-Month
57.4°F
(14.1°C)
58.0°F
(14.4°C)
-0.6°F
(-0.3°C)
35th Coolest
Coolest since:
1918
93rd Warmest
Warmest since:
2012
Ties: 1927
Oct 1978–Sep 1980
24-Month
51.7°F
(10.9°C)
53.0°F
(11.7°C)
-1.3°F
(-0.8°C)
7th Coolest
Coolest since:
1979
120th Warmest
Warmest since:
2017
Oct 1977–Sep 1980
36-Month
51.2°F
(10.7°C)
53.0°F
(11.7°C)
-1.8°F
(-1.0°C)
2nd Coolest
Coolest since:
1979
124th Warmest
Warmest since:
2018
Ties: 1904
Oct 1976–Sep 1980
48-Month
51.3°F
(10.7°C)
53.1°F
(11.7°C)
-1.8°F
(-1.0°C)
1st Coolest
Coolest since:
1980
124th Warmest
Warmest since:
2019
Oct 1975–Sep 1980
60-Month
51.8°F
(11.0°C)
53.0°F
(11.7°C)
-1.2°F
(-0.7°C)
4th Coolest
Coolest since:
1982
120th Warmest
Warmest since:
2020
Ties: 1905, 1979

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