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, September 1926

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1926
1-Month
69.3°F
(20.7°C)
67.4°F
(19.7°C)
1.9°F
(1.0°C)
89th Coolest
Coolest since:
1918
40th Warmest
Warmest since:
1925
Aug–Sep 1926
2-Month
72.8°F
(22.7°C)
70.8°F
(21.6°C)
2.0°F
(1.1°C)
101st Coolest
Coolest since:
1967
28th Warmest
Warmest since:
1936
Ties: 1908, 1921
Jul–Sep 1926
3-Month
74.5°F
(23.6°C)
72.7°F
(22.6°C)
1.8°F
(1.0°C)
109th Coolest
Coolest since:
1967
20th Warmest
Warmest since:
1936
Ties: 2019
Jun–Sep 1926
4-Month
73.0°F
(22.8°C)
72.5°F
(22.5°C)
0.5°F
(0.3°C)
79th Coolest
Coolest since:
1967
50th Warmest
Warmest since:
1936
Ties: 1899, 1908, 1947, 1999
May–Sep 1926
5-Month
71.5°F
(21.9°C)
70.7°F
(21.5°C)
0.8°F
(0.4°C)
88th Coolest
Coolest since:
1924
41st Warmest
Warmest since:
1936
Ties: 1943, 1970
Apr–Sep 1926
6-Month
67.3°F
(19.6°C)
67.7°F
(19.8°C)
-0.4°F
(-0.2°C)
45th Coolest
Coolest since:
1907
84th Warmest
Warmest since:
2010
Mar–Sep 1926
7-Month
62.7°F
(17.1°C)
64.0°F
(17.8°C)
-1.3°F
(-0.7°C)
15th Coolest
Coolest since:
1924
114th Warmest
Warmest since:
2012
Ties: 1967, 1997
Feb–Sep 1926
8-Month
59.2°F
(15.1°C)
59.9°F
(15.5°C)
-0.7°F
(-0.4°C)
38th Coolest
Coolest since:
1904, 1924
91st Warmest
Warmest since:
2012
Ties: 1897, 1905, 1963, 1968, 1980, 2008, 2013
Jan–Sep 1926
9-Month
55.9°F
(13.3°C)
56.4°F
(13.6°C)
-0.5°F
(-0.3°C)
46th Coolest
Coolest since:
1979
83rd Warmest
Warmest since:
2012
Ties: 1903, 1937, 1965, 1975, 2008
Dec 1925–Sep 1926
10-Month
53.2°F
(11.8°C)
53.9°F
(12.2°C)
-0.7°F
(-0.4°C)
32nd Coolest
Coolest since:
1904
96th Warmest
Warmest since:
2012
Ties: 1903, 1962, 1968, 1971, 2003
Nov 1925–Sep 1926
11-Month
51.9°F
(11.1°C)
52.8°F
(11.6°C)
-0.9°F
(-0.5°C)
28th Coolest
Coolest since:
1904
100th Warmest
Warmest since:
2012
Ties: 1961, 1969, 2015
Oct 1925–Sep 1926
12-Month
51.5°F
(10.8°C)
53.1°F
(11.7°C)
-1.6°F
(-0.9°C)
12th Coolest
Coolest since:
1904
116th Warmest
Warmest since:
2012
Ties: 1917, 1920, 1958, 1977, 1984, 1996
Apr 1925–Sep 1926
18-Month
57.5°F
(14.2°C)
57.9°F
(14.4°C)
-0.4°F
(-0.2°C)
37th Coolest
Coolest since:
1918
91st Warmest
Warmest since:
2012
Ties: 1907, 1936, 1961
Oct 1924–Sep 1926
24-Month
53.1°F
(11.7°C)
53.1°F
(11.7°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1979
72nd Warmest
Warmest since:
2017
Ties: 1915, 1940, 1941, 1945, 1984, 1990
Oct 1923–Sep 1926
36-Month
52.5°F
(11.4°C)
53.1°F
(11.7°C)
-0.6°F
(-0.3°C)
26th Coolest
Coolest since:
1979
100th Warmest
Warmest since:
2018
Ties: 1903, 1929, 1961
Oct 1922–Sep 1926
48-Month
52.6°F
(11.4°C)
53.0°F
(11.7°C)
-0.4°F
(-0.3°C)
27th Coolest
Coolest since:
1980
98th Warmest
Warmest since:
2019
Ties: 1900, 1910, 1913, 1964, 1972, 1997
Oct 1921–Sep 1926
60-Month
52.9°F
(11.6°C)
53.0°F
(11.7°C)
-0.1°F
(-0.1°C)
46th Coolest
Coolest since:
1982
78th Warmest
Warmest since:
2020
Ties: 1914, 1915, 1921

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