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 8. Southwest

Average Temperature Rankings, June 1938

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1938
1-Month
72.3°F
(22.4°C)
73.9°F
(23.3°C)
-1.6°F
(-0.9°C)
30th Coolest
Coolest since:
1903
99th Warmest
Warmest since:
1952
Ties: 1900
May–Jun 1938
2-Month
68.9°F
(20.5°C)
69.5°F
(20.8°C)
-0.6°F
(-0.3°C)
45th Coolest
Coolest since:
1907
84th Warmest
Warmest since:
2018
Ties: 1906
Apr–Jun 1938
3-Month
65.1°F
(18.4°C)
64.8°F
(18.2°C)
0.3°F
(0.2°C)
63rd Coolest
Coolest since:
1907
66th Warmest
Warmest since:
2010
Mar–Jun 1938
4-Month
62.0°F
(16.7°C)
59.8°F
(15.4°C)
2.2°F
(1.3°C)
115th Coolest
Coolest since:
1960
14th Warmest
Warmest since:
2012
Feb–Jun 1938
5-Month
58.2°F
(14.6°C)
54.8°F
(12.7°C)
3.4°F
(1.9°C)
124th Coolest
Coolest since:
1912, 1960, 1978
5th Warmest
Warmest since:
2012
Ties: 1946
Jan–Jun 1938
6-Month
53.8°F
(12.1°C)
50.8°F
(10.4°C)
3.0°F
(1.7°C)
121st Coolest
Coolest since:
1912, 1978
8th Warmest
Warmest since:
2012
Ties: 1953, 2016
Dec 1937–Jun 1938
7-Month
50.6°F
(10.3°C)
48.5°F
(9.2°C)
2.1°F
(1.1°C)
111th Coolest
Coolest since:
1978
17th Warmest
Warmest since:
2012
Ties: 1954, 1992, 2005
Nov 1937–Jun 1938
8-Month
49.4°F
(9.7°C)
48.0°F
(8.9°C)
1.4°F
(0.8°C)
99th Coolest
Coolest since:
1912
29th Warmest
Warmest since:
2012
Ties: 1939, 1967, 1986, 2020
Oct 1937–Jun 1938
9-Month
50.0°F
(10.0°C)
49.1°F
(9.5°C)
0.9°F
(0.5°C)
88th Coolest
Coolest since:
1912, 1978
40th Warmest
Warmest since:
2012
Ties: 1898, 1911, 1955, 2010, 2021
Sep 1937–Jun 1938
10-Month
51.8°F
(11.0°C)
51.0°F
(10.6°C)
0.8°F
(0.4°C)
85th Coolest
Coolest since:
1978
43rd Warmest
Warmest since:
2012
Ties: 1909, 1919, 1949, 2021
Aug 1937–Jun 1938
11-Month
54.4°F
(12.4°C)
53.4°F
(11.9°C)
1.0°F
(0.5°C)
94th Coolest
Coolest since:
1904, 1978
34th Warmest
Warmest since:
2012
Ties: 1898, 2018
Jul 1937–Jun 1938
12-Month
56.2°F
(13.4°C)
55.4°F
(13.0°C)
0.8°F
(0.4°C)
88th Coolest
Coolest since:
1904, 1912, 1918, 1978
40th Warmest
Warmest since:
2012
Ties: 1941, 1986, 2013, 2019
Jan 1937–Jun 1938
18-Month
54.2°F
(12.3°C)
53.9°F
(12.2°C)
0.3°F
(0.1°C)
78th Coolest
Coolest since:
1979
50th Warmest
Warmest since:
2017
Ties: 1898, 1944, 1945, 1972
Jul 1936–Jun 1938
24-Month
56.3°F
(13.5°C)
55.3°F
(12.9°C)
1.0°F
(0.6°C)
98th Coolest
Coolest since:
1978, 1979
29th Warmest
Warmest since:
2017
Ties: 1923, 2001
Jul 1935–Jun 1938
36-Month
55.7°F
(13.2°C)
55.4°F
(13.0°C)
0.3°F
(0.2°C)
77th Coolest
Coolest since:
1979
49th Warmest
Warmest since:
2018
Ties: 1915, 1924, 1937, 1946, 2003, 2016
Jul 1934–Jun 1938
48-Month
55.8°F
(13.2°C)
55.3°F
(12.9°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1980
45th Warmest
Warmest since:
2019
Ties: 1925, 1945, 1958, 1987, 1990, 1999, 2016
Jul 1933–Jun 1938
60-Month
56.1°F
(13.4°C)
55.4°F
(13.0°C)
0.7°F
(0.4°C)
94th Coolest
Coolest since:
1980
30th Warmest
Warmest since:
2020
Ties: 1923, 1925, 1939, 1941, 1958, 1991, 1992, 2005

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