Climate at a Glance

Divisional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 5. East

Average Temperature Rankings, August 1966

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1966
1-Month
69.7°F
(20.9°C)
72.1°F
(22.3°C)
-2.4°F
(-1.4°C)
18th Coolest Coolest since: 1963 1915
109th Warmest Warmest since: 1965 1947
Ties: 1897
Jul–Aug 1966
2-Month
73.4°F
(23.0°C)
73.2°F
(22.9°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 1965 1915
57th Warmest Warmest since: 1959 1936
Ties: 1969, 1974, 1977, 2003
Jun–Aug 1966
3-Month
72.5°F
(22.5°C)
72.3°F
(22.4°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1965 1915
58th Warmest Warmest since: 1959 1936
Ties: 1922, 1956, 1968
May–Aug 1966
4-Month
68.4°F
(20.2°C)
69.5°F
(20.8°C)
-1.1°F
(-0.6°C)
31st Coolest Coolest since: 1963 1915
96th Warmest Warmest since: 1965 1934
Ties: 1951, 1981, 2004
Apr–Aug 1966
5-Month
64.3°F
(17.9°C)
65.6°F
(18.7°C)
-1.3°F
(-0.8°C)
23rd Coolest Coolest since: 1961 1907
104th Warmest Warmest since: 1965 1991
Ties: 1996
Mar–Aug 1966
6-Month
60.2°F
(15.7°C)
61.0°F
(16.1°C)
-0.8°F
(-0.4°C)
35th Coolest Coolest since: 1965 1904, 1907
92nd Warmest Warmest since: 1964 2012
Ties: 1972, 1979
Feb–Aug 1966
7-Month
55.6°F
(13.1°C)
56.3°F
(13.5°C)
-0.7°F
(-0.4°C)
43rd Coolest Coolest since: 1965 1904
84th Warmest Warmest since: 1964 2012
Ties: 1937, 1971, 2013
Jan–Aug 1966
8-Month
51.1°F
(10.6°C)
52.2°F
(11.2°C)
-1.1°F
(-0.6°C)
28th Coolest Coolest since: 1963 1904, 1912
99th Warmest Warmest since: 1965 2012
Ties: 1918, 1970, 1971, 1994
Dec 1965–Aug 1966
9-Month
49.4°F
(9.7°C)
49.5°F
(9.7°C)
-0.1°F
(0.0°C)
58th Coolest Coolest since: 1965 1904
68th Warmest Warmest since: 1959 2012
Ties: 1935, 1959, 1972
Nov 1965–Aug 1966
10-Month
48.7°F
(9.3°C)
48.5°F
(9.2°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1965 1904
59th Warmest Warmest since: 1964 2012
Ties: 1898, 1959, 1964
Oct 1965–Aug 1966
11-Month
49.1°F
(9.5°C)
49.0°F
(9.4°C)
0.1°F
(0.1°C)
61st Coolest Coolest since: 1965 1904
65th Warmest Warmest since: 1964 2012
Ties: 1947, 1981, 2019
Sep 1965–Aug 1966
12-Month
50.4°F
(10.2°C)
50.3°F
(10.2°C)
0.1°F
(0.0°C)
56th Coolest Coolest since: 1965 1904
70th Warmest Warmest since: 1964 2012
Ties: 1923, 1930, 1937, 1944, 1993, 2001
Mar 1965–Aug 1966
18-Month
53.5°F
(11.9°C)
53.9°F
(12.2°C)
-0.4°F
(-0.3°C)
42nd Coolest Coolest since: 1963 1904
84th Warmest Warmest since: 1965 2012
Ties: 1900, 1928, 1948, 1952, 1959, 1960, 1969
Sep 1964–Aug 1966
24-Month
50.0°F
(10.0°C)
50.3°F
(10.2°C)
-0.3°F
(-0.2°C)
46th Coolest Coolest since: 1964 1905
79th Warmest Warmest since: 1965 2017
Ties: 1898, 1928, 1930, 1936, 1977
Sep 1963–Aug 1966
36-Month
50.4°F
(10.2°C)
50.3°F
(10.2°C)
0.1°F
(0.0°C)
67th Coolest Coolest since: 1965 1904
57th Warmest Warmest since: 1957 2018
Ties: 1915, 1983, 1986
Sep 1962–Aug 1966
48-Month
49.9°F
(9.9°C)
50.2°F
(10.1°C)
-0.3°F
(-0.2°C)
36th Coolest Coolest since: 1965 1905
87th Warmest Warmest since: 1964 2019
Ties: 1960, 1964, 1997
Sep 1961–Aug 1966
60-Month
49.9°F
(9.9°C)
50.2°F
(10.1°C)
-0.3°F
(-0.2°C)
36th Coolest Coolest since: 1965 1906
86th Warmest Warmest since: 1965 2020
Ties: 1914, 1917, 1921, 1961, 1965, 1972, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2020, retrieved on October 1, 2020 from https://www.ncdc.noaa.gov/cag/