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 1989

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
June 1989
1-Month		72.2°F
(22.3°C)		73.9°F
(23.3°C)		-1.7°F
(-1.0°C)		28th Coolest
Coolest since:
1903
101st Warmest
Warmest since:
1952
Ties: 1972
May–Jun 1989
2-Month		67.2°F
(19.6°C)		69.5°F
(20.8°C)		-2.3°F
(-1.2°C)		13th Coolest
Coolest since:
1907
116th Warmest
Warmest since:
2018
Ties: 1903
Apr–Jun 1989
3-Month		63.4°F
(17.4°C)		64.7°F
(18.2°C)		-1.3°F
(-0.8°C)		22nd Coolest
Coolest since:
1907
107th Warmest
Warmest since:
2010
Ties: 1982
Mar–Jun 1989
4-Month		58.8°F
(14.9°C)		59.7°F
(15.4°C)		-0.9°F
(-0.5°C)		36th Coolest
Coolest since:
1960
93rd Warmest
Warmest since:
2012
Ties: 1937, 1943
Feb–Jun 1989
5-Month		52.9°F
(11.6°C)		54.7°F
(12.6°C)		-1.8°F
(-1.0°C)		19th Coolest
Coolest since:
1912, 1960, 1978
110th Warmest
Warmest since:
2012
Jan–Jun 1989
6-Month		50.7°F
(10.4°C)		50.8°F
(10.4°C)		-0.1°F
(0.0°C)		56th Coolest
Coolest since:
1912
73rd Warmest
Warmest since:
2012
Ties: 1962, 1977
Dec 1988–Jun 1989
7-Month		48.6°F
(9.2°C)		48.5°F
(9.2°C)		0.1°F
(0.0°C)		60th Coolest
Coolest since:
1978
68th Warmest
Warmest since:
2012
Ties: 1965, 1985
Nov 1988–Jun 1989
8-Month		48.3°F
(9.1°C)		48.0°F
(8.9°C)		0.3°F
(0.2°C)		64th Coolest
Coolest since:
1912
64th Warmest
Warmest since:
2012
Ties: 1959, 1975
Oct 1988–Jun 1989
9-Month		48.6°F
(9.2°C)		49.1°F
(9.5°C)		-0.5°F
(-0.3°C)		44th Coolest
Coolest since:
1912, 1978
84th Warmest
Warmest since:
2012
Ties: 1945, 2015
Sep 1988–Jun 1989
10-Month		50.7°F
(10.4°C)		51.1°F
(10.6°C)		-0.4°F
(-0.2°C)		41st Coolest
Coolest since:
1978
87th Warmest
Warmest since:
2012
Ties: 1900, 1907, 1945, 1973
Aug 1988–Jun 1989
11-Month		53.3°F
(11.8°C)		53.3°F
(11.8°C)		0.0°F
(0.0°C)		54th Coolest
Coolest since:
1904, 1978
74th Warmest
Warmest since:
2012
Ties: 1913, 1965, 1967
Jul 1988–Jun 1989
12-Month		55.4°F
(13.0°C)		55.4°F
(13.0°C)		0.0°F
(0.0°C)		56th Coolest
Coolest since:
1904, 1918, 1978
72nd Warmest
Warmest since:
2012
Ties: 1959, 1965
Jan 1988–Jun 1989
18-Month		53.8°F
(12.1°C)		53.9°F
(12.2°C)		-0.1°F
(-0.1°C)		56th Coolest
Coolest since:
1979
72nd Warmest
Warmest since:
2017
Ties: 1952
Jul 1987–Jun 1989
24-Month		55.5°F
(13.1°C)		55.4°F
(13.0°C)		0.1°F
(0.1°C)		67th Coolest
Coolest since:
1978, 1979
60th Warmest
Warmest since:
2017
Ties: 1947, 1976, 1990, 1995
Jul 1986–Jun 1989
36-Month		55.9°F
(13.3°C)		55.4°F
(13.0°C)		0.5°F
(0.3°C)		86th Coolest
Coolest since:
1979
40th Warmest
Warmest since:
2018
Ties: 1936, 1940, 1941, 2010, 2011
Jul 1985–Jun 1989
48-Month		56.0°F
(13.3°C)		55.3°F
(12.9°C)		0.7°F
(0.4°C)		90th Coolest
Coolest since:
1980
35th Warmest
Warmest since:
2019
Ties: 1937, 1940, 1941, 1988, 1991, 2004, 2011
Jul 1984–Jun 1989
60-Month		55.9°F
(13.3°C)		55.3°F
(12.9°C)		0.6°F
(0.4°C)		82nd Coolest
Coolest since:
1980, 1981
42nd Warmest
Warmest since:
2020
Ties: 1932, 1945, 1946, 1990

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