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 1980

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1980
1-Month
81.0°F
(27.2°C)
76.0°F
(24.4°C)
5.0°F
(2.8°C)
124th Coolest
Coolest since:
1915
5th Warmest
Warmest since:
1936
Jul–Aug 1980
2-Month
81.6°F
(27.6°C)
76.9°F
(24.9°C)
4.7°F
(2.7°C)
127th Coolest
Coolest since:
1967
2nd Warmest
Warmest since:
1936
Jun–Aug 1980
3-Month
79.1°F
(26.2°C)
75.9°F
(24.4°C)
3.2°F
(1.8°C)
122nd Coolest
Coolest since:
1915, 1927
7th Warmest
Warmest since:
1936
Ties: 2011
May–Aug 1980
4-Month
75.6°F
(24.2°C)
73.2°F
(22.9°C)
2.4°F
(1.3°C)
119th Coolest
Coolest since:
1967
10th Warmest
Warmest since:
1936
Ties: 1941, 1991, 2011
Apr–Aug 1980
5-Month
71.2°F
(21.8°C)
69.7°F
(20.9°C)
1.5°F
(0.9°C)
108th Coolest
Coolest since:
1907
21st Warmest
Warmest since:
2010
Ties: 1932, 1964, 2002
Mar–Aug 1980
6-Month
66.0°F
(18.9°C)
65.5°F
(18.6°C)
0.5°F
(0.3°C)
78th Coolest
Coolest since:
1904
51st Warmest
Warmest since:
2012
Ties: 1999, 2004
Feb–Aug 1980
7-Month
60.6°F
(15.9°C)
61.1°F
(16.2°C)
-0.5°F
(-0.3°C)
48th Coolest
Coolest since:
1904
81st Warmest
Warmest since:
2012
Ties: 1903, 1972
Jan–Aug 1980
8-Month
57.0°F
(13.9°C)
57.4°F
(14.1°C)
-0.4°F
(-0.2°C)
48th Coolest
Coolest since:
1912
81st Warmest
Warmest since:
2012
Ties: 1900, 1923, 1926
Dec 1979–Aug 1980
9-Month
54.7°F
(12.6°C)
54.8°F
(12.7°C)
-0.1°F
(-0.1°C)
53rd Coolest
Coolest since:
1904
75th Warmest
Warmest since:
2012
Ties: 1923, 1936, 1964, 1967
Nov 1979–Aug 1980
10-Month
53.6°F
(12.0°C)
53.8°F
(12.1°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1904
81st Warmest
Warmest since:
2012
Ties: 1900, 1937, 1947, 1956, 1973, 2008
Oct 1979–Aug 1980
11-Month
54.0°F
(12.2°C)
54.2°F
(12.3°C)
-0.2°F
(-0.1°C)
51st Coolest
Coolest since:
1904
77th Warmest
Warmest since:
2012
Ties: 2009
Sep 1979–Aug 1980
12-Month
55.1°F
(12.8°C)
55.4°F
(13.0°C)
-0.3°F
(-0.2°C)
46th Coolest
Coolest since:
1904
82nd Warmest
Warmest since:
2012
Ties: 1903, 1965, 1973
Mar 1979–Aug 1980
18-Month
58.2°F
(14.6°C)
58.7°F
(14.8°C)
-0.5°F
(-0.2°C)
35th Coolest
Coolest since:
1904
93rd Warmest
Warmest since:
2012
Ties: 1928, 1971, 2015
Sep 1978–Aug 1980
24-Month
54.1°F
(12.3°C)
55.3°F
(12.9°C)
-1.2°F
(-0.6°C)
7th Coolest
Coolest since:
1979
120th Warmest
Warmest since:
2017
Sep 1977–Aug 1980
36-Month
53.7°F
(12.1°C)
55.4°F
(13.0°C)
-1.7°F
(-0.9°C)
3rd Coolest
Coolest since:
1979
123rd Warmest
Warmest since:
2018
Sep 1976–Aug 1980
48-Month
53.7°F
(12.1°C)
55.3°F
(12.9°C)
-1.6°F
(-0.8°C)
1st Coolest
Coolest since:
1980
124th Warmest
Warmest since:
2019
Sep 1975–Aug 1980
60-Month
54.1°F
(12.3°C)
55.3°F
(12.9°C)
-1.2°F
(-0.6°C)
2nd Coolest
Coolest since:
1906
122nd Warmest
Warmest since:
2020
Ties: 1979, 1981, 1982

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