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 1941

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1941
1-Month
66.6°F
(19.2°C)
63.7°F
(17.6°C)
2.9°F
(1.6°C)
103rd Coolest
Coolest since:
1918
26th Warmest
Warmest since:
1897
Aug–Sep 1941
2-Month
69.2°F
(20.7°C)
67.4°F
(19.7°C)
1.8°F
(1.0°C)
102nd Coolest
Coolest since:
1902
27th Warmest
Warmest since:
1947
Ties: 1897, 1922
Jul–Sep 1941
3-Month
70.7°F
(21.5°C)
69.4°F
(20.8°C)
1.3°F
(0.7°C)
98th Coolest
Coolest since:
1924
31st Warmest
Warmest since:
1936
Ties: 1935
Jun–Sep 1941
4-Month
70.4°F
(21.3°C)
69.2°F
(20.7°C)
1.2°F
(0.6°C)
95th Coolest
Coolest since:
1915
34th Warmest
Warmest since:
2005
Ties: 1897, 1898, 2011
May–Sep 1941
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 since:
1921, 1988
Ties: 1895, 1900
Apr–Sep 1941
6-Month
66.2°F
(19.0°C)
63.9°F
(17.7°C)
2.3°F
(1.3°C)
117th Coolest
Coolest since:
1907
12th Warmest
Warmest since:
1921
Mar–Sep 1941
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: 1919, 1939, 1995, 2017, 2018, 2022
Feb–Sep 1941
8-Month
56.3°F
(13.5°C)
55.5°F
(13.1°C)
0.8°F
(0.4°C)
81st Coolest
Coolest since:
1904, 1917
48th Warmest
Warmest since:
2012
Ties: 1985, 2011
Jan–Sep 1941
9-Month
52.8°F
(11.6°C)
51.7°F
(10.9°C)
1.1°F
(0.7°C)
87th Coolest
Coolest since:
1904, 1912
42nd Warmest
Warmest since:
2012
Ties: 2001, 2018
Dec 1940–Sep 1941
10-Month
50.5°F
(10.3°C)
49.1°F
(9.5°C)
1.4°F
(0.8°C)
96th Coolest
Coolest since:
1904
32nd Warmest
Warmest since:
2012
Ties: 1896, 2022
Nov 1940–Sep 1941
11-Month
49.1°F
(9.5°C)
48.1°F
(8.9°C)
1.0°F
(0.6°C)
92nd Coolest
Coolest since:
1904
36th Warmest
Warmest since:
2012
Ties: 1938, 1949
Oct 1940–Sep 1941
12-Month
49.6°F
(9.8°C)
48.5°F
(9.2°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1904
31st Warmest
Warmest since:
2012
Ties: 1933, 1953, 2018
Apr 1940–Sep 1941
18-Month
54.0°F
(12.2°C)
53.6°F
(12.0°C)
0.4°F
(0.2°C)
76th Coolest
Coolest since:
1904
52nd Warmest
Warmest since:
2012
Ties: 1938, 1981, 1985
Oct 1939–Sep 1941
24-Month
48.6°F
(9.2°C)
48.5°F
(9.2°C)
0.1°F
(0.0°C)
71st Coolest
Coolest since:
1918
56th Warmest
Warmest since:
2017
Ties: 1911, 1943, 1947, 1975, 1981, 1996
Oct 1938–Sep 1941
36-Month
49.1°F
(9.5°C)
48.4°F
(9.1°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1979
37th Warmest
Warmest since:
2000
Ties: 1939, 1957, 1990
Oct 1937–Sep 1941
48-Month
49.1°F
(9.5°C)
48.4°F
(9.1°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1905, 1918
41st Warmest
Warmest since:
2001, 2002, 2019
Ties: 1976, 1998, 2015
Oct 1936–Sep 1941
60-Month
48.9°F
(9.4°C)
48.4°F
(9.1°C)
0.5°F
(0.3°C)
76th Coolest
Coolest since:
1905, 1906
48th Warmest
Warmest since:
2002
Ties: 1943

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