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 1895

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1895
1-Month
67.8°F
(19.9°C)
63.7°F
(17.6°C)
4.1°F
(2.3°C)
116th Coolest
Coolest since:
1918
13th Warmest
Warmest to Date
1897
Ties: 1908
Aug–Sep 1895
2-Month
70.2°F
(21.2°C)
67.4°F
(19.7°C)
2.8°F
(1.5°C)
114th Coolest
Coolest since:
1902
15th Warmest
Warmest to Date
1947
Jul–Sep 1895
3-Month
70.6°F
(21.4°C)
69.3°F
(20.7°C)
1.3°F
(0.7°C)
96th Coolest
Coolest since:
1924
33rd Warmest
Warmest to Date
1936
Ties: 1930, 1978, 1991
Jun–Sep 1895
4-Month
70.9°F
(21.6°C)
69.2°F
(20.7°C)
1.7°F
(0.9°C)
106th Coolest
Coolest since:
1915
23rd Warmest
Warmest to Date
2005
Ties: 1925, 1998, 2007
May–Sep 1895
5-Month
68.9°F
(20.5°C)
67.1°F
(19.5°C)
1.8°F
(1.0°C)
108th Coolest
Coolest since:
1924
21st Warmest
Warmest to Date
1921, 1988
Ties: 1900, 1941
Apr–Sep 1895
6-Month
65.7°F
(18.7°C)
63.9°F
(17.7°C)
1.8°F
(1.0°C)
110th Coolest
Coolest since:
1907
19th Warmest
Warmest to Date
1921
Ties: 1936
Mar–Sep 1895
7-Month
60.9°F
(16.1°C)
59.9°F
(15.5°C)
1.0°F
(0.6°C)
91st Coolest
Coolest since:
1924
38th Warmest
Warmest to Date
2012
Ties: 1896, 1910, 2001, 2002
Feb–Sep 1895
8-Month
55.0°F
(12.8°C)
55.5°F
(13.1°C)
-0.5°F
(-0.3°C)
43rd Coolest
Coolest since:
1904, 1917
86th Warmest
Warmest to Date
2012
Ties: 1900, 1913, 1963, 1966, 1974, 1980, 2008, 2013
Jan–Sep 1895
9-Month
50.4°F
(10.2°C)
51.7°F
(10.9°C)
-1.3°F
(-0.7°C)
25th Coolest
Coolest since:
1904, 1912
104th Warmest
Warmest to Date
2012
Ties: 1962

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