Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 8. Southwest

Average Temperature Rankings, August 1966

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1966
1-Month
73.1°F
(22.8°C)
76.0°F
(24.4°C)
-2.9°F
(-1.6°C)
12th Coolest
Coolest since:
1915
117th Warmest
Warmest since:
1936
Ties: 1994
Jul–Aug 1966
2-Month
77.1°F
(25.1°C)
77.0°F
(25.0°C)
0.1°F
(0.1°C)
71st Coolest
Coolest since:
1967
58th Warmest
Warmest since:
1936
Ties: 1956, 1973, 1978
Jun–Aug 1966
3-Month
75.6°F
(24.2°C)
75.9°F
(24.4°C)
-0.3°F
(-0.2°C)
50th Coolest
Coolest since:
1915, 1927
79th Warmest
Warmest since:
1936
Ties: 1935, 1942, 1948, 2000
May–Aug 1966
4-Month
72.3°F
(22.4°C)
73.2°F
(22.9°C)
-0.9°F
(-0.5°C)
34th Coolest
Coolest since:
1967
95th Warmest
Warmest since:
1936
Ties: 2003, 2009
Apr–Aug 1966
5-Month
68.5°F
(20.3°C)
69.6°F
(20.9°C)
-1.1°F
(-0.6°C)
21st Coolest
Coolest since:
1907
108th Warmest
Warmest since:
2010
Ties: 1897, 1971, 1979
Mar–Aug 1966
6-Month
64.8°F
(18.2°C)
65.5°F
(18.6°C)
-0.7°F
(-0.4°C)
32nd Coolest
Coolest since:
1904
97th Warmest
Warmest since:
2012
Ties: 1967, 1982, 2008
Feb–Aug 1966
7-Month
60.2°F
(15.7°C)
61.1°F
(16.2°C)
-0.9°F
(-0.5°C)
33rd Coolest
Coolest since:
1904
96th Warmest
Warmest since:
2012
Ties: 1900, 1967, 1996, 2008
Jan–Aug 1966
8-Month
56.0°F
(13.3°C)
57.3°F
(14.1°C)
-1.3°F
(-0.8°C)
20th Coolest
Coolest since:
1912
109th Warmest
Warmest since:
2012
Ties: 1961
Dec 1965–Aug 1966
9-Month
54.4°F
(12.4°C)
54.8°F
(12.7°C)
-0.4°F
(-0.3°C)
41st Coolest
Coolest since:
1904
87th Warmest
Warmest since:
2012
Ties: 1962, 1977
Nov 1965–Aug 1966
10-Month
53.9°F
(12.2°C)
53.8°F
(12.1°C)
0.1°F
(0.1°C)
57th Coolest
Coolest since:
1904
71st Warmest
Warmest since:
2012
Ties: 1898, 1923, 1964, 1965, 1967, 1975, 1989
Oct 1965–Aug 1966
11-Month
54.1°F
(12.3°C)
54.1°F
(12.3°C)
0.0°F
(0.0°C)
53rd Coolest
Coolest since:
1904
75th Warmest
Warmest since:
2012
Ties: 1948, 1975
Sep 1965–Aug 1966
12-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
52nd Coolest
Coolest since:
1904
76th Warmest
Warmest since:
2012
Ties: 1928, 1944, 1962, 2009, 2013
Mar 1965–Aug 1966
18-Month
58.5°F
(14.7°C)
58.7°F
(14.8°C)
-0.2°F
(-0.1°C)
50th Coolest
Coolest since:
1904
78th Warmest
Warmest since:
2012
Ties: 1913, 1925, 1936, 1945, 1990
Sep 1964–Aug 1966
24-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1979
80th Warmest
Warmest since:
2017
Ties: 1925, 1964, 1990
Sep 1963–Aug 1966
36-Month
55.5°F
(13.1°C)
55.4°F
(13.0°C)
0.1°F
(0.1°C)
69th Coolest
Coolest since:
1979
57th Warmest
Warmest since:
2018
Ties: 1909, 1915, 1916, 1924, 1947, 1950, 1973, 1975
Sep 1962–Aug 1966
48-Month
55.2°F
(12.9°C)
55.3°F
(12.9°C)
-0.1°F
(0.0°C)
40th Coolest
Coolest since:
1980
85th Warmest
Warmest since:
2019
Ties: 1903, 1926, 1952, 1965, 1977, 1983
Sep 1961–Aug 1966
60-Month
55.2°F
(12.9°C)
55.3°F
(12.9°C)
-0.1°F
(0.0°C)
47th Coolest
Coolest since:
1906
77th Warmest
Warmest since:
2020
Ties: 1901, 1914, 1931, 1977, 1996

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