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, July 1933

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
July 1933
1-Month 		79.0°F
(26.1°C)		 77.9°F
(25.5°C)		 1.1°F
(0.6°C)		 94th Coolest
Coolest since:
 2014
35th Warmest
Warmest since:
 2012
Ties: 1974
Jun–Jul 1933
2-Month 		78.8°F
(26.0°C)		 75.9°F
(24.4°C)		 2.9°F
(1.6°C)		 117th Coolest
Coolest since:
 1904, 1927
12th Warmest
Warmest since:
 1934
Ties: 1931
May–Jul 1933
3-Month 		74.9°F
(23.8°C)		 72.3°F
(22.4°C)		 2.6°F
(1.4°C)		 118th Coolest
Coolest since:
 1924
11th Warmest
Warmest since:
 1934
Ties: 1901
Apr–Jul 1933
4-Month 		69.9°F
(21.1°C)		 68.1°F
(20.1°C)		 1.8°F
(1.0°C)		 110th Coolest
Coolest since:
 1907
19th Warmest
Warmest since:
 2012
Ties: 2001, 2006, 2015
Mar–Jul 1933
5-Month 		64.7°F
(18.2°C)		 63.4°F
(17.4°C)		 1.3°F
(0.8°C)		 103rd Coolest
Coolest since:
 1960
26th Warmest
Warmest since:
 2012
Ties: 1922, 1952, 1998
Feb–Jul 1933
6-Month 		59.5°F
(15.3°C)		 58.6°F
(14.8°C)		 0.9°F
(0.5°C)		 85th Coolest
Coolest since:
 1947
44th Warmest
Warmest since:
 2012
Ties: 1959, 1981, 1990
Jan–Jul 1933
7-Month 		56.9°F
(13.8°C)		 54.7°F
(12.6°C)		 2.2°F
(1.2°C)		 113th Coolest
Coolest since:
 1912
16th Warmest
Warmest since:
 2012
Ties: 1911, 1925, 1990
Dec 1932–Jul 1933
8-Month 		54.0°F
(12.2°C)		 52.2°F
(11.2°C)		 1.8°F
(1.0°C)		 107th Coolest
Coolest since:
 1978
21st Warmest
Warmest since:
 2012
Ties: 1919, 1992, 2005
Nov 1932–Jul 1933
9-Month 		52.4°F
(11.3°C)		 51.3°F
(10.7°C)		 1.1°F
(0.6°C)		 92nd Coolest
Coolest since:
 1904, 1912
36th Warmest
Warmest since:
 2012
Ties: 1974, 2018, 2021
Oct 1932–Jul 1933
10-Month 		52.7°F
(11.5°C)		 52.0°F
(11.1°C)		 0.7°F
(0.4°C)		 83rd Coolest
Coolest since:
 1904, 1912
45th Warmest
Warmest since:
 2012
Ties: 1949, 2021
Sep 1932–Jul 1933
11-Month 		54.1°F
(12.3°C)		 53.5°F
(11.9°C)		 0.6°F
(0.4°C)		 78th Coolest
Coolest since:
 1904
50th Warmest
Warmest since:
 2012
Ties: 1931
Aug 1932–Jul 1933
12-Month 		56.0°F
(13.3°C)		 55.4°F
(13.0°C)		 0.6°F
(0.3°C)		 82nd Coolest
Coolest since:
 1904
46th Warmest
Warmest since:
 2012
Ties: 1911, 1935, 1948, 1949, 1952, 1964, 2010
Feb 1932–Jul 1933
18-Month 		57.4°F
(14.1°C)		 56.5°F
(13.6°C)		 0.9°F
(0.5°C)		 95th Coolest
Coolest since:
 1918, 1979
33rd Warmest
Warmest since:
 2012
Ties: 1957
Aug 1931–Jul 1933
24-Month 		57.5°F
(14.2°C)		 55.4°F
(13.0°C)		 2.1°F
(1.2°C)		 120th Coolest
Coolest since:
 1979
7th Warmest
Warmest since:
 2017
Aug 1930–Jul 1933
36-Month 		57.1°F
(13.9°C)		 55.4°F
(13.0°C)		 1.7°F
(0.9°C)		 118th Coolest
Coolest since:
 1979
8th Warmest
Warmest to Date
 2018
Ties: 2006, 2007
Aug 1929–Jul 1933
48-Month 		56.7°F
(13.7°C)		 55.3°F
(12.9°C)		 1.4°F
(0.8°C)		 112th Coolest
Coolest since:
 1980
13th Warmest
Warmest to Date
 2019
Ties: 2022
Aug 1928–Jul 1933
60-Month 		56.3°F
(13.5°C)		 55.3°F
(12.9°C)		 1.0°F
(0.6°C)		 101st Coolest
Coolest since:
 1906
23rd Warmest
Warmest to Date
 2020
Ties: 2001, 2004

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