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 1912

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
June 1912
1-Month 		69.0°F
(20.6°C)		 73.9°F
(23.3°C)		 -4.9°F
(-2.7°C)		 3rd Coolest
Coolest since:
 1903
126th Warmest
Warmest since:
 1952
May–Jun 1912
2-Month 		68.0°F
(20.0°C)		 69.4°F
(20.8°C)		 -1.4°F
(-0.8°C)		 27th Coolest
Coolest since:
 1907
102nd Warmest
Warmest since:
 2018
Ties: 1940, 1973
Apr–Jun 1912
3-Month 		64.2°F
(17.9°C)		 64.8°F
(18.2°C)		 -0.6°F
(-0.3°C)		 42nd Coolest
Coolest since:
 1907
87th Warmest
Warmest since:
 2010
Ties: 1968, 1980
Mar–Jun 1912
4-Month 		57.1°F
(13.9°C)		 59.7°F
(15.4°C)		 -2.6°F
(-1.5°C)		 6th Coolest
Coolest since:
 1960
123rd Warmest
Warmest since:
 2012
Feb–Jun 1912
5-Month 		51.1°F
(10.6°C)		 54.7°F
(12.6°C)		 -3.6°F
(-2.0°C)		 1st Coolest
Coolest since:
 1912, 1960, 1978
128th Warmest
Warmest since:
 2012
Ties: 1960, 1978
Jan–Jun 1912
6-Month 		46.0°F
(7.8°C)		 50.8°F
(10.4°C)		 -4.8°F
(-2.6°C)		 1st Coolest
Coolest since:
 1912, 1978
128th Warmest
Warmest since:
 2012
Ties: 1978
Dec 1911–Jun 1912
7-Month 		44.7°F
(7.1°C)		 48.4°F
(9.1°C)		 -3.7°F
(-2.0°C)		 2nd Coolest
Coolest since:
 1978
126th Warmest
Warmest since:
 2012
Ties: 1979
Nov 1911–Jun 1912
8-Month 		44.0°F
(6.7°C)		 48.0°F
(8.9°C)		 -4.0°F
(-2.2°C)		 1st Coolest
Coolest since:
 1912
127th Warmest
Warmest since:
 2012
Oct 1911–Jun 1912
9-Month 		45.5°F
(7.5°C)		 49.1°F
(9.5°C)		 -3.6°F
(-2.0°C)		 1st Coolest
Coolest since:
 1912, 1978
127th Warmest
Warmest since:
 2012
Ties: 1978
Sep 1911–Jun 1912
10-Month 		48.3°F
(9.1°C)		 51.1°F
(10.6°C)		 -2.8°F
(-1.5°C)		 3rd Coolest
Coolest since:
 1978
125th Warmest
Warmest since:
 2012
Aug 1911–Jun 1912
11-Month 		50.7°F
(10.4°C)		 53.3°F
(11.8°C)		 -2.6°F
(-1.4°C)		 3rd Coolest
Coolest since:
 1904, 1978
125th Warmest
Warmest since:
 2012
Ties: 1918
Jul 1911–Jun 1912
12-Month 		52.9°F
(11.6°C)		 55.3°F
(12.9°C)		 -2.4°F
(-1.3°C)		 1st Coolest
Coolest since:
 1904, 1912, 1918, 1978
127th Warmest
Warmest since:
 2012
Ties: 1904, 1918, 1978
Jan 1911–Jun 1912
18-Month 		53.1°F
(11.7°C)		 53.8°F
(12.1°C)		 -0.7°F
(-0.4°C)		 26th Coolest
Coolest since:
 1979
102nd Warmest
Warmest since:
 2017
Ties: 1896, 1917, 1930, 1963, 1971, 1982
Jul 1910–Jun 1912
24-Month 		54.4°F
(12.4°C)		 55.4°F
(13.0°C)		 -1.0°F
(-0.6°C)		 14th Coolest
Coolest since:
 1978, 1979
113th Warmest
Warmest since:
 2017
Jul 1909–Jun 1912
36-Month 		54.6°F
(12.6°C)		 55.4°F
(13.0°C)		 -0.8°F
(-0.4°C)		 14th Coolest
Coolest since:
 1979
112th Warmest
Warmest since:
 2018
Ties: 1919, 1962, 1984
Jul 1908–Jun 1912
48-Month 		54.9°F
(12.7°C)		 55.3°F
(12.9°C)		 -0.4°F
(-0.2°C)		 26th Coolest
Coolest since:
 1980
99th Warmest
Warmest since:
 2019
Ties: 1960, 1972, 1983, 1996
Jul 1907–Jun 1912
60-Month 		55.0°F
(12.8°C)		 55.3°F
(12.9°C)		 -0.3°F
(-0.1°C)		 29th Coolest
Coolest since:
 1980
95th Warmest
Warmest since:
 2020
Ties: 1900, 1902, 1913, 1916, 1928

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