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 1919

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1919
1-Month
66.3°F
(19.1°C)
63.7°F
(17.6°C)
2.6°F
(1.5°C)
100th Coolest
Coolest since:
1918
29th Warmest
Warmest since:
1897
Ties: 1954
Aug–Sep 1919
2-Month
68.6°F
(20.3°C)
67.4°F
(19.7°C)
1.2°F
(0.6°C)
89th Coolest
Coolest since:
1902
40th Warmest
Warmest since:
1947
Ties: 1898, 1971
Jul–Sep 1919
3-Month
71.2°F
(21.8°C)
69.3°F
(20.7°C)
1.9°F
(1.1°C)
106th Coolest
Coolest since:
1924
23rd Warmest
Warmest since:
1936
Jun–Sep 1919
4-Month
71.5°F
(21.9°C)
69.1°F
(20.6°C)
2.4°F
(1.3°C)
117th Coolest
Coolest since:
1915
12th Warmest
Warmest to Date
2005
Ties: 1995
May–Sep 1919
5-Month
68.4°F
(20.2°C)
67.1°F
(19.5°C)
1.3°F
(0.7°C)
95th Coolest
Coolest since:
1924
34th Warmest
Warmest since:
1921, 1988
Ties: 1953
Apr–Sep 1919
6-Month
65.0°F
(18.3°C)
63.9°F
(17.7°C)
1.1°F
(0.6°C)
92nd Coolest
Coolest since:
1907
37th Warmest
Warmest since:
1921
Ties: 1906, 1930, 1970, 2015
Mar–Sep 1919
7-Month
61.1°F
(16.2°C)
59.9°F
(15.5°C)
1.2°F
(0.7°C)
100th Coolest
Coolest since:
1924
29th Warmest
Warmest since:
2012
Ties: 1939, 1941, 1995, 2017, 2018, 2022
Feb–Sep 1919
8-Month
56.9°F
(13.8°C)
55.5°F
(13.1°C)
1.4°F
(0.7°C)
101st Coolest
Coolest since:
1904, 1917
28th Warmest
Warmest since:
2012
Jan–Sep 1919
9-Month
53.4°F
(11.9°C)
51.7°F
(10.9°C)
1.7°F
(1.0°C)
104th Coolest
Coolest since:
1904, 1912
25th Warmest
Warmest since:
2012
Ties: 2007
Dec 1918–Sep 1919
10-Month
51.4°F
(10.8°C)
49.1°F
(9.5°C)
2.3°F
(1.3°C)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest to Date
2012
Ties: 2000, 2021
Nov 1918–Sep 1919
11-Month
50.3°F
(10.2°C)
48.1°F
(8.9°C)
2.2°F
(1.3°C)
110th Coolest
Coolest since:
1904
18th Warmest
Warmest to Date
2012
Ties: 1988
Oct 1918–Sep 1919
12-Month
50.7°F
(10.4°C)
48.5°F
(9.2°C)
2.2°F
(1.2°C)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest to Date
2012
Ties: 2006, 2021
Apr 1918–Sep 1919
18-Month
54.7°F
(12.6°C)
53.6°F
(12.0°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1904
31st Warmest
Warmest to Date
2012
Ties: 1953, 2010, 2018
Oct 1917–Sep 1919
24-Month
48.2°F
(9.0°C)
48.4°F
(9.1°C)
-0.2°F
(-0.1°C)
44th Coolest
Coolest since:
1918
83rd Warmest
Warmest since:
2017
Ties: 1899, 1958, 2009
Oct 1916–Sep 1919
36-Month
47.4°F
(8.6°C)
48.5°F
(9.2°C)
-1.1°F
(-0.6°C)
10th Coolest
Coolest since:
1979
116th Warmest
Warmest since:
2000
Oct 1915–Sep 1919
48-Month
47.6°F
(8.7°C)
48.4°F
(9.1°C)
-0.8°F
(-0.4°C)
14th Coolest
Coolest since:
1905, 1918
111th Warmest
Warmest since:
2001, 2002, 2019
Ties: 1912, 1963
Oct 1914–Sep 1919
60-Month
47.5°F
(8.6°C)
48.4°F
(9.1°C)
-0.9°F
(-0.5°C)
9th Coolest
Coolest since:
1905, 1906
115th Warmest
Warmest since:
2002
Ties: 1904, 1927, 1928, 1930

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