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 1957

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1957
1-Month
76.2°F
(24.6°C)
76.0°F
(24.4°C)
0.2°F
(0.2°C)
67th Coolest
Coolest since:
1915
62nd Warmest
Warmest since:
1936
Jul–Aug 1957
2-Month
77.1°F
(25.1°C)
76.9°F
(24.9°C)
0.2°F
(0.2°C)
72nd Coolest
Coolest since:
1967
57th Warmest
Warmest since:
1936
Ties: 1956, 1973
Jun–Aug 1957
3-Month
76.2°F
(24.6°C)
75.9°F
(24.4°C)
0.3°F
(0.2°C)
73rd Coolest
Coolest since:
1915, 1927
56th Warmest
Warmest since:
1936
Ties: 1923, 1955, 1973
May–Aug 1957
4-Month
73.6°F
(23.1°C)
73.2°F
(22.9°C)
0.4°F
(0.2°C)
71st Coolest
Coolest since:
1967
58th Warmest
Warmest since:
1936
Ties: 1931, 1939, 1965
Apr–Aug 1957
5-Month
70.3°F
(21.3°C)
69.6°F
(20.9°C)
0.7°F
(0.4°C)
80th Coolest
Coolest since:
1907
49th Warmest
Warmest since:
2010
Mar–Aug 1957
6-Month
65.8°F
(18.8°C)
65.4°F
(18.6°C)
0.4°F
(0.2°C)
73rd Coolest
Coolest since:
1904
56th Warmest
Warmest since:
2012
Ties: 1919, 1932, 1981, 2019
Feb–Aug 1957
7-Month
62.2°F
(16.8°C)
61.1°F
(16.2°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1904
34th Warmest
Warmest since:
2012
Ties: 1896, 1959, 2022
Jan–Aug 1957
8-Month
57.8°F
(14.3°C)
57.3°F
(14.1°C)
0.5°F
(0.2°C)
73rd Coolest
Coolest since:
1912
56th Warmest
Warmest since:
2012
Ties: 1976
Dec 1956–Aug 1957
9-Month
55.9°F
(13.3°C)
54.9°F
(12.7°C)
1.0°F
(0.6°C)
94th Coolest
Coolest since:
1904
34th Warmest
Warmest since:
2012
Ties: 1911, 1922, 1992
Nov 1956–Aug 1957
10-Month
54.7°F
(12.6°C)
53.8°F
(12.1°C)
0.9°F
(0.5°C)
88th Coolest
Coolest since:
1904
40th Warmest
Warmest since:
2012
Ties: 1896, 1933, 1976
Oct 1956–Aug 1957
11-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
103rd Coolest
Coolest since:
1904
25th Warmest
Warmest since:
2012
Ties: 1955, 2010
Sep 1956–Aug 1957
12-Month
56.5°F
(13.6°C)
55.4°F
(13.0°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1904
28th Warmest
Warmest since:
2012
Ties: 1942, 1974, 2010, 2011
Mar 1956–Aug 1957
18-Month
59.5°F
(15.3°C)
58.7°F
(14.8°C)
0.8°F
(0.5°C)
91st Coolest
Coolest since:
1904
37th Warmest
Warmest since:
2012
Ties: 1909, 1923, 1964, 1995, 2010
Sep 1955–Aug 1957
24-Month
55.9°F
(13.3°C)
55.3°F
(12.9°C)
0.6°F
(0.4°C)
87th Coolest
Coolest since:
1979
40th Warmest
Warmest since:
2017
Ties: 1973, 2010
Sep 1954–Aug 1957
36-Month
56.2°F
(13.4°C)
55.3°F
(12.9°C)
0.9°F
(0.5°C)
98th Coolest
Coolest since:
1979
28th Warmest
Warmest since:
2018
Ties: 1922, 1936, 1939, 1987, 1993
Sep 1953–Aug 1957
48-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
110th Coolest
Coolest since:
1980
15th Warmest
Warmest since:
2019
Ties: 2000, 2006, 2017, 2022
Sep 1952–Aug 1957
60-Month
56.6°F
(13.7°C)
55.3°F
(12.9°C)
1.3°F
(0.8°C)
111th Coolest
Coolest since:
1906
13th Warmest
Warmest since:
2020
Ties: 1956, 2007, 2018, 2022

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