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 2015

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
October 2015
1-Month 		57.1°F
(13.9°C)		 55.7°F
(13.2°C)		 1.4°F
(0.7°C)		 86th Coolest
Coolest since:
 1925
43rd Warmest
Warmest since:
 1963
Ties: 1994
Sep–Oct 2015
2-Month 		63.8°F
(17.7°C)		 61.6°F
(16.4°C)		 2.2°F
(1.3°C)		 103rd Coolest
Coolest since:
 1917
26th Warmest
Warmest since:
 1971, 2016
Ties: 1953
Aug–Oct 2015
3-Month 		66.7°F
(19.3°C)		 65.8°F
(18.8°C)		 0.9°F
(0.5°C)		 89th Coolest
Coolest since:
 1976
40th Warmest
Warmest since:
 1947, 2007
Ties: 1908, 1914, 1961
Jul–Oct 2015
4-Month 		68.8°F
(20.4°C)		 68.5°F
(20.3°C)		 0.3°F
(0.1°C)		 76th Coolest
Coolest since:
 1967
53rd Warmest
Warmest since:
 1936
Ties: 1920, 1944, 1999
Jun–Oct 2015
5-Month 		69.6°F
(20.9°C)		 69.2°F
(20.7°C)		 0.4°F
(0.2°C)		 78th Coolest
Coolest since:
 1917
51st Warmest
Warmest since:
 1936
Ties: 1932, 1949, 1999
May–Oct 2015
6-Month 		69.0°F
(20.6°C)		 68.2°F
(20.1°C)		 0.8°F
(0.5°C)		 87th Coolest
Coolest since:
 1917
42nd Warmest
Warmest since:
 1936
Ties: 1973, 1977, 1988, 2022
Apr–Oct 2015
7-Month 		67.1°F
(19.5°C)		 66.1°F
(18.9°C)		 1.0°F
(0.6°C)		 96th Coolest
Coolest since:
 1907
33rd Warmest
Warmest since:
 2010
Ties: 1911, 1919
Mar–Oct 2015
8-Month 		63.6°F
(17.6°C)		 63.0°F
(17.2°C)		 0.6°F
(0.4°C)		 84th Coolest
Coolest since:
 1917
45th Warmest
Warmest since:
 2012
Ties: 1908, 1925, 1944, 2019
Feb–Oct 2015
9-Month 		58.8°F
(14.9°C)		 59.4°F
(15.2°C)		 -0.6°F
(-0.3°C)		 36th Coolest
Coolest since:
 1917
93rd Warmest
Warmest since:
 2012
Ties: 1920, 1926, 1968, 2008, 2013
Jan–Oct 2015
10-Month 		55.7°F
(13.2°C)		 56.2°F
(13.4°C)		 -0.5°F
(-0.2°C)		 38th Coolest
Coolest since:
 1979
91st Warmest
Warmest since:
 2012
Ties: 1903, 1963, 1972
Dec 2014–Oct 2015
11-Month 		53.9°F
(12.2°C)		 54.1°F
(12.3°C)		 -0.2°F
(-0.1°C)		 54th Coolest
Coolest since:
 1904
74th Warmest
Warmest since:
 2012
Ties: 1943, 1976, 1981
Nov 2014–Oct 2015
12-Month 		52.4°F
(11.3°C)		 53.1°F
(11.7°C)		 -0.7°F
(-0.4°C)		 32nd Coolest
Coolest since:
 1904
96th Warmest
Warmest since:
 2012
Ties: 1923, 1937, 1945, 1967, 1994, 2001, 2003
May 2014–Oct 2015
18-Month 		57.4°F
(14.1°C)		 58.2°F
(14.6°C)		 -0.8°F
(-0.5°C)		 27th Coolest
Coolest since:
 1904
101st Warmest
Warmest since:
 2012
Ties: 1908, 1916, 1997
Nov 2013–Oct 2015
24-Month 		51.6°F
(10.9°C)		 53.1°F
(11.7°C)		 -1.5°F
(-0.8°C)		 6th Coolest
Coolest since:
 1979
121st Warmest
Warmest since:
 2017
Nov 2012–Oct 2015
36-Month 		52.2°F
(11.2°C)		 53.1°F
(11.7°C)		 -0.9°F
(-0.5°C)		 12th Coolest
Coolest since:
 1979
114th Warmest
Warmest since:
 2018
Ties: 1912, 1969
Nov 2011–Oct 2015
48-Month 		53.5°F
(11.9°C)		 53.1°F
(11.7°C)		 0.4°F
(0.2°C)		 80th Coolest
Coolest since:
 1905, 1980
45th Warmest
Warmest since:
 2019
Ties: 1950, 1986, 1998, 1999, 2011
Nov 2010–Oct 2015
60-Month 		53.5°F
(11.9°C)		 53.0°F
(11.7°C)		 0.5°F
(0.2°C)		 74th Coolest
Coolest since:
 1982
50th Warmest
Warmest since:
 2020
Ties: 1941, 1945, 1950, 1953

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