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 1981

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1981
1-Month
75.2°F
(24.0°C)
73.9°F
(23.3°C)
1.3°F
(0.7°C)
87th Coolest
Coolest since:
1903
42nd Warmest
Warmest since:
1952
Ties: 1964, 1988, 1998
May–Jun 1981
2-Month
67.8°F
(19.9°C)
69.5°F
(20.8°C)
-1.7°F
(-0.9°C)
24th Coolest
Coolest since:
1907
105th Warmest
Warmest since:
2018
Ties: 1947
Apr–Jun 1981
3-Month
65.9°F
(18.8°C)
64.8°F
(18.2°C)
1.1°F
(0.6°C)
88th Coolest
Coolest since:
1907
41st Warmest
Warmest since:
2010
Ties: 1905
Mar–Jun 1981
4-Month
60.6°F
(15.9°C)
59.7°F
(15.4°C)
0.9°F
(0.5°C)
86th Coolest
Coolest since:
1960
43rd Warmest
Warmest since:
2012
Ties: 1941, 1954, 2001
Feb–Jun 1981
5-Month
55.9°F
(13.3°C)
54.8°F
(12.7°C)
1.1°F
(0.6°C)
88th Coolest
Coolest since:
1912, 1960, 1978
41st Warmest
Warmest since:
2012
Ties: 2020, 2022
Jan–Jun 1981
6-Month
51.6°F
(10.9°C)
50.8°F
(10.4°C)
0.8°F
(0.5°C)
81st Coolest
Coolest since:
1912, 1978
48th Warmest
Warmest since:
2012
Ties: 1931, 2019
Dec 1980–Jun 1981
7-Month
49.3°F
(9.6°C)
48.5°F
(9.2°C)
0.8°F
(0.4°C)
77th Coolest
Coolest since:
1978
51st Warmest
Warmest since:
2012
Ties: 1930
Nov 1980–Jun 1981
8-Month
48.6°F
(9.2°C)
48.0°F
(8.9°C)
0.6°F
(0.3°C)
74th Coolest
Coolest since:
1912
54th Warmest
Warmest since:
2012
Ties: 2011, 2019
Oct 1980–Jun 1981
9-Month
49.3°F
(9.6°C)
49.1°F
(9.5°C)
0.2°F
(0.1°C)
61st Coolest
Coolest since:
1912, 1978
67th Warmest
Warmest since:
2012
Ties: 1896, 1903, 1923, 1931, 1959
Sep 1980–Jun 1981
10-Month
51.5°F
(10.8°C)
51.1°F
(10.6°C)
0.4°F
(0.2°C)
74th Coolest
Coolest since:
1978
54th Warmest
Warmest since:
2012
Ties: 1901, 1931, 1935
Aug 1980–Jun 1981
11-Month
54.2°F
(12.3°C)
53.3°F
(11.8°C)
0.9°F
(0.5°C)
87th Coolest
Coolest since:
1904, 1978
41st Warmest
Warmest since:
2012
Ties: 1901, 2019
Jul 1980–Jun 1981
12-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1904, 1912, 1918, 1978
28th Warmest
Warmest since:
2012
Ties: 1937, 2008, 2018
Jan 1980–Jun 1981
18-Month
53.9°F
(12.2°C)
53.8°F
(12.1°C)
0.1°F
(0.1°C)
60th Coolest
Coolest since:
1979
68th Warmest
Warmest since:
2017
Ties: 1901, 1915, 2009
Jul 1979–Jun 1981
24-Month
55.3°F
(12.9°C)
55.3°F
(12.9°C)
0.0°F
(0.0°C)
50th Coolest
Coolest since:
1978, 1979
77th Warmest
Warmest since:
2017
Ties: 1902, 1920, 1936, 1948, 1967, 1993, 1996
Jul 1978–Jun 1981
36-Month
54.7°F
(12.6°C)
55.4°F
(13.0°C)
-0.7°F
(-0.4°C)
18th Coolest
Coolest since:
1979
108th Warmest
Warmest since:
2018
Ties: 1913, 1961, 1963, 1968, 1977
Jul 1977–Jun 1981
48-Month
54.2°F
(12.3°C)
55.3°F
(12.9°C)
-1.1°F
(-0.6°C)
6th Coolest
Coolest since:
1980
119th Warmest
Warmest since:
2019
Ties: 1971
Jul 1976–Jun 1981
60-Month
54.0°F
(12.2°C)
55.3°F
(12.9°C)
-1.3°F
(-0.7°C)
2nd Coolest
Coolest since:
1980
122nd Warmest
Warmest since:
2020

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