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 1998

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1998
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, 1981, 1988
May–Jun 1998
2-Month
72.6°F
(22.6°C)
69.4°F
(20.8°C)
3.2°F
(1.8°C)
115th Coolest
Coolest since:
1907
14th Warmest
Warmest since:
2018
Apr–Jun 1998
3-Month
66.9°F
(19.4°C)
64.8°F
(18.2°C)
2.1°F
(1.2°C)
111th Coolest
Coolest since:
1907
18th Warmest
Warmest since:
2010
Ties: 1952, 2006, 2018
Mar–Jun 1998
4-Month
61.3°F
(16.3°C)
59.7°F
(15.4°C)
1.6°F
(0.9°C)
101st Coolest
Coolest since:
1960
28th Warmest
Warmest since:
2012
Ties: 1934, 1936
Feb–Jun 1998
5-Month
57.6°F
(14.2°C)
54.7°F
(12.6°C)
2.9°F
(1.6°C)
118th Coolest
Coolest since:
1912, 1960, 1978
11th Warmest
Warmest since:
2012
Ties: 2000
Jan–Jun 1998
6-Month
54.2°F
(12.3°C)
50.8°F
(10.4°C)
3.4°F
(1.9°C)
125th Coolest
Coolest since:
1912, 1978
4th Warmest
Warmest since:
2012
Dec 1997–Jun 1998
7-Month
51.6°F
(10.9°C)
48.5°F
(9.2°C)
3.1°F
(1.7°C)
122nd Coolest
Coolest since:
1978
6th Warmest
Warmest since:
2012
Nov 1997–Jun 1998
8-Month
50.4°F
(10.2°C)
48.0°F
(8.9°C)
2.4°F
(1.3°C)
116th Coolest
Coolest since:
1912
12th Warmest
Warmest since:
2012
Ties: 2005
Oct 1997–Jun 1998
9-Month
51.2°F
(10.7°C)
49.1°F
(9.5°C)
2.1°F
(1.2°C)
115th Coolest
Coolest since:
1912, 1978
13th Warmest
Warmest since:
2012
Sep 1997–Jun 1998
10-Month
52.9°F
(11.6°C)
51.1°F
(10.6°C)
1.8°F
(1.0°C)
114th Coolest
Coolest since:
1978
14th Warmest
Warmest since:
2012
Ties: 1934, 1939, 1972
Aug 1997–Jun 1998
11-Month
54.8°F
(12.7°C)
53.3°F
(11.8°C)
1.5°F
(0.9°C)
109th Coolest
Coolest since:
1904, 1978
19th Warmest
Warmest since:
2012
Ties: 1955, 1972
Jul 1997–Jun 1998
12-Month
56.7°F
(13.7°C)
55.3°F
(12.9°C)
1.4°F
(0.8°C)
107th Coolest
Coolest since:
1904, 1912, 1918, 1978
21st Warmest
Warmest since:
2012
Ties: 1914, 1953, 2007
Jan 1997–Jun 1998
18-Month
54.5°F
(12.5°C)
53.9°F
(12.2°C)
0.6°F
(0.3°C)
89th Coolest
Coolest since:
1979
39th Warmest
Warmest since:
2017
Ties: 1923, 1946, 1956
Jul 1996–Jun 1998
24-Month
55.4°F
(13.0°C)
55.3°F
(12.9°C)
0.1°F
(0.1°C)
58th Coolest
Coolest since:
1978, 1979
69th Warmest
Warmest since:
2017
Ties: 1910, 1911, 1937, 1945
Jul 1995–Jun 1998
36-Month
55.2°F
(12.9°C)
55.3°F
(12.9°C)
-0.1°F
(0.0°C)
43rd Coolest
Coolest since:
1979
83rd Warmest
Warmest since:
2018
Ties: 1902, 1903, 1953, 1959, 1965, 1983, 1994, 1996
Jul 1994–Jun 1998
48-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1980
71st Warmest
Warmest since:
2019
Ties: 1953, 1959, 1986, 1995
Jul 1993–Jun 1998
60-Month
55.3°F
(12.9°C)
55.3°F
(12.9°C)
0.0°F
(0.0°C)
50th Coolest
Coolest since:
1980
74th Warmest
Warmest since:
2020
Ties: 1917, 1927, 1952, 1967, 1996

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