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, August 1934

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1934
1-Month
77.9°F
(25.5°C)
76.0°F
(24.4°C)
1.9°F
(1.1°C)
103rd Coolest
Coolest since:
1915
26th Warmest
Warmest since:
1936
Ties: 2003, 2011, 2016
Jul–Aug 1934
2-Month
81.0°F
(27.2°C)
76.9°F
(24.9°C)
4.1°F
(2.3°C)
126th Coolest
Coolest since:
1967
3rd Warmest
Warmest to Date
1936
Jun–Aug 1934
3-Month
80.6°F
(27.0°C)
75.9°F
(24.4°C)
4.7°F
(2.6°C)
127th Coolest
Coolest since:
1915, 1927
2nd Warmest
Warmest to Date
1936
May–Aug 1934
4-Month
77.6°F
(25.3°C)
73.2°F
(22.9°C)
4.4°F
(2.4°C)
127th Coolest
Coolest since:
1967
2nd Warmest
Warmest to Date
1936
Apr–Aug 1934
5-Month
73.3°F
(22.9°C)
69.7°F
(20.9°C)
3.6°F
(2.0°C)
127th Coolest
Coolest since:
1907
2nd Warmest
Warmest to Date
2010
Ties: 2012
Mar–Aug 1934
6-Month
67.9°F
(19.9°C)
65.5°F
(18.6°C)
2.4°F
(1.3°C)
119th Coolest
Coolest since:
1904
10th Warmest
Warmest since:
2012
Ties: 2011
Feb–Aug 1934
7-Month
62.5°F
(16.9°C)
61.0°F
(16.1°C)
1.5°F
(0.8°C)
101st Coolest
Coolest since:
1904
28th Warmest
Warmest since:
2012
Ties: 1911, 1955
Jan–Aug 1934
8-Month
59.3°F
(15.2°C)
57.4°F
(14.1°C)
1.9°F
(1.1°C)
112th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
2012
Ties: 1925, 1933, 1946
Dec 1933–Aug 1934
9-Month
57.1°F
(13.9°C)
54.8°F
(12.7°C)
2.3°F
(1.2°C)
117th Coolest
Coolest since:
1904
11th Warmest
Warmest since:
2012
Ties: 2000, 2006
Nov 1933–Aug 1934
10-Month
55.8°F
(13.2°C)
53.8°F
(12.1°C)
2.0°F
(1.1°C)
114th Coolest
Coolest since:
1904
14th Warmest
Warmest since:
2012
Ties: 1998, 1999
Oct 1933–Aug 1934
11-Month
55.9°F
(13.3°C)
54.1°F
(12.3°C)
1.8°F
(1.0°C)
113th Coolest
Coolest since:
1904
15th Warmest
Warmest since:
2012
Ties: 1998
Sep 1933–Aug 1934
12-Month
57.6°F
(14.2°C)
55.4°F
(13.0°C)
2.2°F
(1.2°C)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Ties: 1991, 1999
Mar 1933–Aug 1934
18-Month
60.6°F
(15.9°C)
58.8°F
(14.9°C)
1.8°F
(1.0°C)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Sep 1932–Aug 1934
24-Month
56.7°F
(13.7°C)
55.3°F
(12.9°C)
1.4°F
(0.8°C)
109th Coolest
Coolest since:
1979
18th Warmest
Warmest since:
2017
Ties: 1987, 2022
Sep 1931–Aug 1934
36-Month
57.6°F
(14.2°C)
55.4°F
(13.0°C)
2.2°F
(1.2°C)
124th Coolest
Coolest since:
1979
2nd Warmest
Warmest to Date
2018
Ties: 2012
Sep 1930–Aug 1934
48-Month
57.1°F
(13.9°C)
55.3°F
(12.9°C)
1.8°F
(1.0°C)
121st Coolest
Coolest since:
1980
4th Warmest
Warmest to Date
2019
Ties: 2020
Sep 1929–Aug 1934
60-Month
56.9°F
(13.8°C)
55.4°F
(13.0°C)
1.5°F
(0.8°C)
121st Coolest
Coolest since:
1906
3rd Warmest
Warmest to Date
2020
Ties: 1935, 2002, 2021

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