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 2. Northeast

Average Temperature Rankings, September 1956

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1956
1-Month
63.0°F
(17.2°C)
63.7°F
(17.6°C)
-0.7°F
(-0.4°C)
46th Coolest
Coolest since:
1918
83rd Warmest
Warmest since:
1897
Ties: 1901, 1904, 1996
Aug–Sep 1956
2-Month
67.1°F
(19.5°C)
67.4°F
(19.7°C)
-0.3°F
(-0.2°C)
51st Coolest
Coolest since:
1902
78th Warmest
Warmest since:
1947
Ties: 1940
Jul–Sep 1956
3-Month
68.3°F
(20.2°C)
69.3°F
(20.7°C)
-1.0°F
(-0.5°C)
27th Coolest
Coolest since:
1924
102nd Warmest
Warmest since:
1936
Ties: 1896, 1927, 1942, 1994
Jun–Sep 1956
4-Month
69.1°F
(20.6°C)
69.1°F
(20.6°C)
0.0°F
(0.0°C)
49th Coolest
Coolest since:
1915
80th Warmest
Warmest since:
2005
Ties: 1966
May–Sep 1956
5-Month
67.2°F
(19.6°C)
67.1°F
(19.5°C)
0.1°F
(0.1°C)
58th Coolest
Coolest since:
1924
71st Warmest
Warmest since:
1921, 1988
Ties: 1962, 1965
Apr–Sep 1956
6-Month
63.7°F
(17.6°C)
63.9°F
(17.7°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1907
82nd Warmest
Warmest since:
1921
Ties: 1984, 1990
Mar–Sep 1956
7-Month
59.5°F
(15.3°C)
59.9°F
(15.5°C)
-0.4°F
(-0.2°C)
45th Coolest
Coolest since:
1924
84th Warmest
Warmest since:
2012
Ties: 1903, 1957
Feb–Sep 1956
8-Month
55.4°F
(13.0°C)
55.6°F
(13.1°C)
-0.2°F
(-0.1°C)
57th Coolest
Coolest since:
1904, 1917
72nd Warmest
Warmest since:
2012
Ties: 1936, 1971, 1994, 2009
Jan–Sep 1956
9-Month
51.9°F
(11.1°C)
51.7°F
(10.9°C)
0.2°F
(0.2°C)
70th Coolest
Coolest since:
1904, 1912
59th Warmest
Warmest since:
2012
Ties: 1900, 1910, 1914
Dec 1955–Sep 1956
10-Month
49.0°F
(9.4°C)
49.1°F
(9.5°C)
-0.1°F
(-0.1°C)
55th Coolest
Coolest since:
1904
73rd Warmest
Warmest since:
2012
Ties: 1901, 1989, 1993, 2001, 2003, 2011
Nov 1955–Sep 1956
11-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
39th Coolest
Coolest since:
1904
89th Warmest
Warmest since:
2012
Ties: 1923, 1928, 1969, 1994, 2015
Oct 1955–Sep 1956
12-Month
48.0°F
(8.9°C)
48.4°F
(9.1°C)
-0.4°F
(-0.2°C)
39th Coolest
Coolest since:
1904
89th Warmest
Warmest since:
2012
Ties: 1910, 1969
Apr 1955–Sep 1956
18-Month
54.2°F
(12.3°C)
53.6°F
(12.0°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1904
47th Warmest
Warmest since:
2012
Ties: 1897, 1949, 1986, 2019
Oct 1954–Sep 1956
24-Month
49.1°F
(9.5°C)
48.5°F
(9.2°C)
0.6°F
(0.3°C)
90th Coolest
Coolest since:
1918
37th Warmest
Warmest since:
2017
Ties: 1953, 1995, 2010, 2019
Oct 1953–Sep 1956
36-Month
49.6°F
(9.8°C)
48.4°F
(9.1°C)
1.2°F
(0.7°C)
99th Coolest
Coolest since:
1979
27th Warmest
Warmest since:
2000
Ties: 1954
Oct 1952–Sep 1956
48-Month
49.6°F
(9.8°C)
48.4°F
(9.1°C)
1.2°F
(0.7°C)
104th Coolest
Coolest since:
1905, 1918
21st Warmest
Warmest since:
2001, 2002, 2019
Ties: 1935, 1990, 1991
Oct 1951–Sep 1956
60-Month
49.4°F
(9.7°C)
48.4°F
(9.1°C)
1.0°F
(0.6°C)
96th Coolest
Coolest since:
1905, 1906
28th Warmest
Warmest since:
2002
Ties: 1988, 1989, 1992, 2018

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