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, October 2009

View Period (Months):
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 2009
1-Month
51.6°F
(10.9°C)
55.7°F
(13.2°C)
-4.1°F
(-2.3°C)
11th Coolest
Coolest since:
1925
118th Warmest
Warmest since:
1963
Sep–Oct 2009
2-Month
59.4°F
(15.2°C)
61.6°F
(16.4°C)
-2.2°F
(-1.2°C)
20th Coolest
Coolest since:
1917
109th Warmest
Warmest since:
1971, 2016
Ties: 1981, 2012
Aug–Oct 2009
3-Month
63.7°F
(17.6°C)
65.8°F
(18.8°C)
-2.1°F
(-1.2°C)
10th Coolest
Coolest since:
1976
119th Warmest
Warmest since:
1947, 2007
Jul–Oct 2009
4-Month
65.6°F
(18.7°C)
68.4°F
(20.2°C)
-2.8°F
(-1.5°C)
4th Coolest
Coolest since:
1967
125th Warmest
Warmest since:
1936
Jun–Oct 2009
5-Month
67.4°F
(19.7°C)
69.2°F
(20.7°C)
-1.8°F
(-1.0°C)
12th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
1936
Ties: 1945
May–Oct 2009
6-Month
66.8°F
(19.3°C)
68.2°F
(20.1°C)
-1.4°F
(-0.8°C)
15th Coolest
Coolest since:
1917
114th Warmest
Warmest since:
1936
Ties: 1928, 1981, 1997
Apr–Oct 2009
7-Month
64.9°F
(18.3°C)
66.0°F
(18.9°C)
-1.1°F
(-0.6°C)
22nd Coolest
Coolest since:
1907
107th Warmest
Warmest since:
2010
Ties: 1935
Mar–Oct 2009
8-Month
62.6°F
(17.0°C)
62.9°F
(17.2°C)
-0.3°F
(-0.2°C)
43rd Coolest
Coolest since:
1917
86th Warmest
Warmest since:
2012
Ties: 1902, 1903, 1932, 1957, 1981
Feb–Oct 2009
9-Month
59.5°F
(15.3°C)
59.5°F
(15.3°C)
0.0°F
(0.0°C)
60th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2012
Ties: 1943, 1948, 1970, 1971
Jan–Oct 2009
10-Month
55.8°F
(13.2°C)
56.2°F
(13.4°C)
-0.4°F
(-0.2°C)
42nd Coolest
Coolest since:
1979
87th Warmest
Warmest since:
2012
Ties: 1910, 1926, 1948, 1961, 1965, 1985
Dec 2008–Oct 2009
11-Month
53.5°F
(11.9°C)
54.0°F
(12.2°C)
-0.5°F
(-0.3°C)
41st Coolest
Coolest since:
1904
87th Warmest
Warmest since:
2012
Ties: 1964, 1965, 1997
Nov 2008–Oct 2009
12-Month
52.5°F
(11.4°C)
53.0°F
(11.7°C)
-0.5°F
(-0.3°C)
40th Coolest
Coolest since:
1904
88th Warmest
Warmest since:
2012
Ties: 1948, 1993
May 2008–Oct 2009
18-Month
57.6°F
(14.2°C)
58.1°F
(14.5°C)
-0.5°F
(-0.3°C)
35th Coolest
Coolest since:
1904
93rd Warmest
Warmest since:
2012
Ties: 1961, 1962
Nov 2007–Oct 2009
24-Month
52.8°F
(11.6°C)
53.1°F
(11.7°C)
-0.3°F
(-0.1°C)
47th Coolest
Coolest since:
1979
80th Warmest
Warmest since:
2017
Ties: 1930, 1981
Nov 2006–Oct 2009
36-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
93rd Coolest
Coolest since:
1979
33rd Warmest
Warmest since:
2018
Ties: 1939, 1987, 2014
Nov 2005–Oct 2009
48-Month
54.0°F
(12.2°C)
53.1°F
(11.7°C)
0.9°F
(0.5°C)
101st Coolest
Coolest since:
1905, 1980
24th Warmest
Warmest since:
2019
Ties: 1932, 1992, 2017
Nov 2004–Oct 2009
60-Month
54.2°F
(12.3°C)
53.0°F
(11.7°C)
1.2°F
(0.6°C)
110th Coolest
Coolest since:
1982
14th Warmest
Warmest since:
2020
Ties: 1936, 2010

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