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 1940

View Period (Months):
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  • Record Coolest
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  • Top 1/3
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 1940
1-Month
60.0°F
(15.6°C)
55.7°F
(13.2°C)
4.3°F
(2.4°C)
119th Coolest
Coolest since:
1925
10th Warmest
Warmest since:
1963
Ties: 1973
Sep–Oct 1940
2-Month
63.0°F
(17.2°C)
61.5°F
(16.4°C)
1.5°F
(0.8°C)
93rd Coolest
Coolest since:
1917
36th Warmest
Warmest since:
1971, 2016
Ties: 1991
Aug–Oct 1940
3-Month
67.2°F
(19.6°C)
65.7°F
(18.7°C)
1.5°F
(0.9°C)
101st Coolest
Coolest since:
1976
28th Warmest
Warmest since:
1947, 2007
Ties: 1956, 1991, 2002
Jul–Oct 1940
4-Month
69.5°F
(20.8°C)
68.4°F
(20.2°C)
1.1°F
(0.6°C)
94th Coolest
Coolest since:
1967
35th Warmest
Warmest since:
1936
Ties: 1960, 1995
Jun–Oct 1940
5-Month
70.3°F
(21.3°C)
69.2°F
(20.7°C)
1.1°F
(0.6°C)
99th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
1936
Ties: 1897, 1944, 2019
May–Oct 1940
6-Month
68.5°F
(20.3°C)
68.2°F
(20.1°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1917
57th Warmest
Warmest since:
1936
Ties: 1964, 2000
Apr–Oct 1940
7-Month
66.0°F
(18.9°C)
66.0°F
(18.9°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1907
71st Warmest
Warmest since:
2010
Mar–Oct 1940
8-Month
62.7°F
(17.1°C)
63.0°F
(17.2°C)
-0.3°F
(-0.1°C)
49th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2012
Ties: 1896, 1897, 1929, 1945, 1994
Feb–Oct 1940
9-Month
59.1°F
(15.1°C)
59.4°F
(15.2°C)
-0.3°F
(-0.1°C)
49th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2012
Ties: 1961, 1994
Jan–Oct 1940
10-Month
54.7°F
(12.6°C)
56.3°F
(13.5°C)
-1.6°F
(-0.9°C)
12th Coolest
Coolest since:
1979
117th Warmest
Warmest since:
2012
Dec 1939–Oct 1940
11-Month
52.9°F
(11.6°C)
54.1°F
(12.3°C)
-1.2°F
(-0.7°C)
20th Coolest
Coolest since:
1904
108th Warmest
Warmest since:
2012
Ties: 1907, 1928
Nov 1939–Oct 1940
12-Month
51.9°F
(11.1°C)
53.1°F
(11.7°C)
-1.2°F
(-0.6°C)
19th Coolest
Coolest since:
1904
109th Warmest
Warmest since:
2012
Ties: 1915, 1924, 1960, 1970
May 1939–Oct 1940
18-Month
57.8°F
(14.3°C)
58.1°F
(14.5°C)
-0.3°F
(-0.2°C)
42nd Coolest
Coolest since:
1904
86th Warmest
Warmest since:
2012
Ties: 1896, 1906, 1936, 1960, 1963, 1966
Nov 1938–Oct 1940
24-Month
53.2°F
(11.8°C)
53.1°F
(11.7°C)
0.1°F
(0.1°C)
68th Coolest
Coolest since:
1979
59th Warmest
Warmest since:
2017
Ties: 1957, 1976
Nov 1937–Oct 1940
36-Month
53.6°F
(12.0°C)
53.0°F
(11.7°C)
0.6°F
(0.3°C)
86th Coolest
Coolest since:
1979
40th Warmest
Warmest since:
2018
Ties: 1941, 1944, 1957
Nov 1936–Oct 1940
48-Month
53.3°F
(11.8°C)
53.0°F
(11.7°C)
0.3°F
(0.1°C)
69th Coolest
Coolest since:
1905, 1980
56th Warmest
Warmest since:
2019
Ties: 1916, 1945, 1946, 1974, 1975, 1976, 1987, 1995, 2016
Nov 1935–Oct 1940
60-Month
53.3°F
(11.8°C)
53.1°F
(11.7°C)
0.2°F
(0.1°C)
65th Coolest
Coolest since:
1982
59th Warmest
Warmest since:
2020
Ties: 1924, 1947, 1975, 1976, 1998

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