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 1957

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1957
1-Month
65.3°F
(18.5°C)
67.4°F
(19.7°C)
-2.1°F
(-1.2°C)
27th Coolest
Coolest since:
1918
102nd Warmest
Warmest since:
1925
Aug–Sep 1957
2-Month
69.9°F
(21.1°C)
70.9°F
(21.6°C)
-1.0°F
(-0.5°C)
39th Coolest
Coolest since:
1967
90th Warmest
Warmest since:
1936
Ties: 1999, 2020
Jul–Sep 1957
3-Month
72.2°F
(22.3°C)
72.7°F
(22.6°C)
-0.5°F
(-0.3°C)
52nd Coolest
Coolest since:
1967
77th Warmest
Warmest since:
1936
Ties: 1923
Jun–Sep 1957
4-Month
72.4°F
(22.4°C)
72.6°F
(22.6°C)
-0.2°F
(-0.2°C)
53rd Coolest
Coolest since:
1967
76th Warmest
Warmest since:
1936
Ties: 1905, 1935, 1949, 1990, 1993
May–Sep 1957
5-Month
70.6°F
(21.4°C)
70.7°F
(21.5°C)
-0.1°F
(-0.1°C)
58th Coolest
Coolest since:
1924
71st Warmest
Warmest since:
1936
Ties: 1937, 2006, 2013
Apr–Sep 1957
6-Month
68.0°F
(20.0°C)
67.8°F
(19.9°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1907
59th Warmest
Warmest since:
2010
Ties: 1908, 1960, 1962, 1978
Mar–Sep 1957
7-Month
64.1°F
(17.8°C)
64.0°F
(17.8°C)
0.1°F
(0.0°C)
62nd Coolest
Coolest since:
1924
67th Warmest
Warmest since:
2012
Ties: 1949, 2020
Feb–Sep 1957
8-Month
60.7°F
(15.9°C)
59.9°F
(15.5°C)
0.8°F
(0.4°C)
88th Coolest
Coolest since:
1904, 1924
41st Warmest
Warmest since:
2012
Ties: 1932, 1939, 1941, 1964, 1983
Jan–Sep 1957
9-Month
56.6°F
(13.7°C)
56.3°F
(13.5°C)
0.3°F
(0.2°C)
68th Coolest
Coolest since:
1979
61st Warmest
Warmest since:
2012
Dec 1956–Sep 1957
10-Month
54.7°F
(12.6°C)
53.9°F
(12.2°C)
0.8°F
(0.4°C)
83rd Coolest
Coolest since:
1904
45th Warmest
Warmest since:
2012
Ties: 1896, 1908, 1986, 1992, 2004
Nov 1956–Sep 1957
11-Month
53.5°F
(11.9°C)
52.8°F
(11.6°C)
0.7°F
(0.3°C)
86th Coolest
Coolest since:
1904
42nd Warmest
Warmest since:
2012
Ties: 1911, 1944, 1952, 2019
Oct 1956–Sep 1957
12-Month
54.1°F
(12.3°C)
53.1°F
(11.7°C)
1.0°F
(0.6°C)
95th Coolest
Coolest since:
1904
33rd Warmest
Warmest since:
2012
Ties: 1931, 1934, 1949, 1972, 2004
Apr 1956–Sep 1957
18-Month
58.6°F
(14.8°C)
58.0°F
(14.4°C)
0.6°F
(0.4°C)
87th Coolest
Coolest since:
1918
41st Warmest
Warmest since:
2012
Ties: 1901, 1941
Oct 1955–Sep 1957
24-Month
53.4°F
(11.9°C)
53.1°F
(11.7°C)
0.3°F
(0.2°C)
80th Coolest
Coolest since:
1979
47th Warmest
Warmest since:
2017
Ties: 1901, 1936, 1974, 1976, 1995
Oct 1954–Sep 1957
36-Month
53.8°F
(12.1°C)
53.1°F
(11.7°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1979
35th Warmest
Warmest since:
2018
Ties: 2009
Oct 1953–Sep 1957
48-Month
54.3°F
(12.4°C)
53.1°F
(11.7°C)
1.2°F
(0.7°C)
108th Coolest
Coolest since:
1980
17th Warmest
Warmest since:
2019
Ties: 1922
Oct 1952–Sep 1957
60-Month
54.4°F
(12.4°C)
53.1°F
(11.7°C)
1.3°F
(0.7°C)
116th Coolest
Coolest since:
1982
8th Warmest
Warmest since:
2020
Ties: 1934, 2012, 2013

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