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 1986

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1986
1-Month
76.4°F
(24.7°C)
73.9°F
(23.3°C)
2.5°F
(1.4°C)
108th Coolest
Coolest since:
1903
21st Warmest
Warmest since:
1952
Ties: 1922, 1943, 2009
May–Jun 1986
2-Month
71.6°F
(22.0°C)
69.4°F
(20.8°C)
2.2°F
(1.2°C)
104th Coolest
Coolest since:
1907
25th Warmest
Warmest since:
2018
Ties: 1902, 1921, 1959
Apr–Jun 1986
3-Month
67.5°F
(19.7°C)
64.8°F
(18.2°C)
2.7°F
(1.5°C)
120th Coolest
Coolest since:
1907
9th Warmest
Warmest since:
2010
Ties: 1965
Mar–Jun 1986
4-Month
62.5°F
(16.9°C)
59.7°F
(15.4°C)
2.8°F
(1.5°C)
119th Coolest
Coolest since:
1960
10th Warmest
Warmest since:
2012
Feb–Jun 1986
5-Month
57.3°F
(14.1°C)
54.7°F
(12.6°C)
2.6°F
(1.5°C)
115th Coolest
Coolest since:
1912, 1960, 1978
14th Warmest
Warmest since:
2012
Jan–Jun 1986
6-Month
53.4°F
(11.9°C)
50.8°F
(10.4°C)
2.6°F
(1.5°C)
115th Coolest
Coolest since:
1912, 1978
14th Warmest
Warmest since:
2012
Ties: 1911, 1925, 1932, 1952
Dec 1985–Jun 1986
7-Month
49.7°F
(9.8°C)
48.5°F
(9.2°C)
1.2°F
(0.6°C)
93rd Coolest
Coolest since:
1978
35th Warmest
Warmest since:
2012
Ties: 1908, 1949, 1967
Nov 1985–Jun 1986
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: 1938, 1939, 1967, 2020
Oct 1985–Jun 1986
9-Month
50.6°F
(10.3°C)
49.1°F
(9.5°C)
1.5°F
(0.8°C)
103rd Coolest
Coolest since:
1912, 1978
25th Warmest
Warmest since:
2012
Sep 1985–Jun 1986
10-Month
52.4°F
(11.3°C)
51.1°F
(10.6°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1978
26th Warmest
Warmest since:
2012
Ties: 1898, 1946, 1992, 2007
Aug 1985–Jun 1986
11-Month
54.3°F
(12.4°C)
53.3°F
(11.8°C)
1.0°F
(0.6°C)
91st Coolest
Coolest since:
1904, 1978
37th Warmest
Warmest since:
2012
Ties: 1941, 1976, 2011
Jul 1985–Jun 1986
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: 1938, 1941, 2013, 2019
Jan 1985–Jun 1986
18-Month
54.1°F
(12.3°C)
53.9°F
(12.2°C)
0.2°F
(0.1°C)
73rd Coolest
Coolest since:
1979
55th Warmest
Warmest since:
2017
Ties: 1919, 1926, 1937, 1995
Jul 1984–Jun 1986
24-Month
55.8°F
(13.2°C)
55.4°F
(13.0°C)
0.4°F
(0.2°C)
83rd Coolest
Coolest since:
1978, 1979
44th Warmest
Warmest since:
2017
Ties: 1949, 1950, 1972
Jul 1983–Jun 1986
36-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
54th Coolest
Coolest since:
1979
72nd Warmest
Warmest since:
2018
Ties: 1909, 1925, 1927, 1945, 1947, 1958, 1966, 1975
Jul 1982–Jun 1986
48-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
54th Coolest
Coolest since:
1980
71st Warmest
Warmest since:
2019
Ties: 1953, 1959, 1995, 1998
Jul 1981–Jun 1986
60-Month
55.1°F
(12.8°C)
55.4°F
(13.0°C)
-0.3°F
(-0.2°C)
35th Coolest
Coolest since:
1980
89th Warmest
Warmest since:
2020
Ties: 1901, 1910, 1921, 1929, 1951, 1960, 1965, 1966, 1968, 1977, 1985

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