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 1958

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
June 1958
1-Month 		71.4°F
(21.9°C)		 73.9°F
(23.3°C)		 -2.5°F
(-1.4°C)		 18th Coolest
Coolest since:
 1903
111th Warmest
Warmest since:
 1952
Ties: 1917, 1926, 1961, 1985
May–Jun 1958
2-Month 		68.5°F
(20.3°C)		 69.5°F
(20.8°C)		 -1.0°F
(-0.5°C)		 39th Coolest
Coolest since:
 1907
90th Warmest
Warmest since:
 2018
Apr–Jun 1958
3-Month 		64.1°F
(17.8°C)		 64.8°F
(18.2°C)		 -0.7°F
(-0.4°C)		 37th Coolest
Coolest since:
 1907
92nd Warmest
Warmest since:
 2010
Ties: 1984, 1995, 2008, 2020
Mar–Jun 1958
4-Month 		57.6°F
(14.2°C)		 59.7°F
(15.4°C)		 -2.1°F
(-1.2°C)		 12th Coolest
Coolest since:
 1960
117th Warmest
Warmest since:
 2012
Feb–Jun 1958
5-Month 		51.2°F
(10.7°C)		 54.7°F
(12.6°C)		 -3.5°F
(-1.9°C)		 4th Coolest
Coolest since:
 1912, 1960, 1978
125th Warmest
Warmest since:
 2012
Ties: 1947
Jan–Jun 1958
6-Month 		47.8°F
(8.8°C)		 50.8°F
(10.4°C)		 -3.0°F
(-1.6°C)		 6th Coolest
Coolest since:
 1912, 1978
123rd Warmest
Warmest since:
 2012
Dec 1957–Jun 1958
7-Month 		46.8°F
(8.2°C)		 48.5°F
(9.2°C)		 -1.7°F
(-1.0°C)		 17th Coolest
Coolest since:
 1978
111th Warmest
Warmest since:
 2012
Ties: 1917, 1951
Nov 1957–Jun 1958
8-Month 		46.3°F
(7.9°C)		 48.0°F
(8.9°C)		 -1.7°F
(-1.0°C)		 16th Coolest
Coolest since:
 1912
112th Warmest
Warmest since:
 2012
Oct 1957–Jun 1958
9-Month 		47.1°F
(8.4°C)		 49.1°F
(9.5°C)		 -2.0°F
(-1.1°C)		 9th Coolest
Coolest since:
 1912, 1978
119th Warmest
Warmest since:
 2012
Ties: 1926, 1960
Sep 1957–Jun 1958
10-Month 		49.2°F
(9.6°C)		 51.1°F
(10.6°C)		 -1.9°F
(-1.0°C)		 8th Coolest
Coolest since:
 1978
120th Warmest
Warmest since:
 2012
Aug 1957–Jun 1958
11-Month 		51.6°F
(10.9°C)		 53.3°F
(11.8°C)		 -1.7°F
(-0.9°C)		 10th Coolest
Coolest since:
 1904, 1978
118th Warmest
Warmest since:
 2012
Ties: 1970, 1982
Jul 1957–Jun 1958
12-Month 		53.8°F
(12.1°C)		 55.4°F
(13.0°C)		 -1.6°F
(-0.9°C)		 10th Coolest
Coolest since:
 1904, 1912, 1918, 1978
118th Warmest
Warmest since:
 2012
Ties: 1905, 1970, 1982
Jan 1957–Jun 1958
18-Month 		53.0°F
(11.7°C)		 53.8°F
(12.1°C)		 -0.8°F
(-0.4°C)		 21st Coolest
Coolest since:
 1979
107th Warmest
Warmest since:
 2017
Ties: 1902, 1924, 1983, 2014
Jul 1956–Jun 1958
24-Month 		55.1°F
(12.8°C)		 55.3°F
(12.9°C)		 -0.2°F
(-0.1°C)		 37th Coolest
Coolest since:
 1978, 1979
90th Warmest
Warmest since:
 2017
Ties: 1924, 1928, 1964, 1985, 2014
Jul 1955–Jun 1958
36-Month 		55.4°F
(13.0°C)		 55.4°F
(13.0°C)		 0.0°F
(0.0°C)		 54th Coolest
Coolest since:
 1979
72nd Warmest
Warmest since:
 2018
Ties: 1909, 1925, 1927, 1945, 1947, 1966, 1975, 1986
Jul 1954–Jun 1958
48-Month 		55.8°F
(13.2°C)		 55.4°F
(13.0°C)		 0.4°F
(0.2°C)		 80th Coolest
Coolest since:
 1980
45th Warmest
Warmest since:
 2019
Ties: 1925, 1938, 1945, 1987, 1990, 1999, 2016
Jul 1953–Jun 1958
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, 1938, 1939, 1941, 1991, 1992, 2005

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