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 December 2020. For more information, please see Climatological Rankings.


Illinois, Climate Division 5. East

Average Temperature Rankings, August 1909

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
August 1909
1-Month
74.4°F
(23.6°C)
72.1°F
(22.3°C)
2.3°F
(1.3°C)
109th Coolest Coolest since: 1908 1915
18th Warmest Warmest since: 1900 1947
Jul–Aug 1909
2-Month
72.6°F
(22.6°C)
73.3°F
(22.9°C)
-0.7°F
(-0.3°C)
47th Coolest Coolest since: 1907 1915
80th Warmest Warmest since: 1908 1936
Ties: 1939, 1961, 1978
Jun–Aug 1909
3-Month
71.6°F
(22.0°C)
72.3°F
(22.4°C)
-0.7°F
(-0.4°C)
42nd Coolest Coolest since: 1908 1915
85th Warmest Warmest since: 1908 1936
Ties: 1905, 1908, 1979, 1990, 1996
May–Aug 1909
4-Month
68.2°F
(20.1°C)
69.5°F
(20.8°C)
-1.3°F
(-0.7°C)
24th Coolest Coolest since: 1907 1915
103rd Warmest Warmest since: 1908 1934
Ties: 1912, 1974, 1990, 2009
Apr–Aug 1909
5-Month
64.0°F
(17.8°C)
65.5°F
(18.6°C)
-1.5°F
(-0.8°C)
18th Coolest Coolest since: 1907 1907
109th Warmest Warmest since: 1908 1991
Ties: 1902, 1926
Mar–Aug 1909
6-Month
59.4°F
(15.2°C)
61.0°F
(16.1°C)
-1.6°F
(-0.9°C)
15th Coolest Coolest since: 1907 1904, 1907
112th Warmest Warmest since: 1908 2012
Ties: 1897, 1928, 1997
Feb–Aug 1909
7-Month
55.4°F
(13.0°C)
56.2°F
(13.4°C)
-0.8°F
(-0.4°C)
36th Coolest Coolest since: 1907 1904
91st Warmest Warmest since: 1908 2012
Ties: 1903, 1916, 1929
Jan–Aug 1909
8-Month
51.8°F
(11.0°C)
52.1°F
(11.2°C)
-0.3°F
(-0.2°C)
52nd Coolest Coolest since: 1907 1904, 1912
75th Warmest Warmest since: 1908 2012
Ties: 1906, 1910, 1936, 1985
Dec 1908–Aug 1909
9-Month
49.3°F
(9.6°C)
49.5°F
(9.7°C)
-0.2°F
(-0.1°C)
55th Coolest Coolest since: 1907 1904
71st Warmest Warmest since: 1908 2012
Ties: 1964, 2001
Nov 1908–Aug 1909
10-Month
48.4°F
(9.1°C)
48.5°F
(9.2°C)
-0.1°F
(-0.1°C)
57th Coolest Coolest since: 1907 1904
69th Warmest Warmest since: 1908 2012
Ties: 1916, 1943
Oct 1908–Aug 1909
11-Month
48.8°F
(9.3°C)
48.9°F
(9.4°C)
-0.1°F
(-0.1°C)
49th Coolest Coolest since: 1908 1904
77th Warmest Warmest since: 1900 2012
Ties: 1900, 1923, 1943, 1956, 1989
Sep 1908–Aug 1909
12-Month
50.5°F
(10.3°C)
50.3°F
(10.2°C)
0.2°F
(0.1°C)
65th Coolest Coolest since: 1908 1904
61st Warmest Warmest since: 1898 2012
Ties: 1947, 1981
Mar 1908–Aug 1909
18-Month
54.0°F
(12.2°C)
53.8°F
(12.1°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1908 1904
60th Warmest Warmest since: 1898 2012
Ties: 1898, 1930, 1973, 1990
Sep 1907–Aug 1909
24-Month
50.2°F
(10.1°C)
50.3°F
(10.2°C)
-0.1°F
(-0.1°C)
57th Coolest Coolest since: 1908 1905
68th Warmest Warmest to Date 2017
Ties: 1944, 1945
Sep 1906–Aug 1909
36-Month
49.8°F
(9.9°C)
50.3°F
(10.2°C)
-0.5°F
(-0.3°C)
33rd Coolest Coolest since: 1908 1904
91st Warmest Warmest since: 1900 2018
Ties: 1910, 1929, 1961, 1965, 1967
Sep 1905–Aug 1909
48-Month
49.8°F
(9.9°C)
50.3°F
(10.2°C)
-0.5°F
(-0.3°C)
31st Coolest Coolest since: 1908 1905
92nd Warmest Warmest since: 1901 2019
Ties: 1899, 1928, 1962, 1965
Sep 1904–Aug 1909
60-Month
49.6°F
(9.8°C)
50.3°F
(10.2°C)
-0.7°F
(-0.4°C)
16th Coolest Coolest since: 1908 1906
106th Warmest Warmest since: 1902 2020
Ties: 1902, 1927, 1928, 1963, 1970

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published January 2021, retrieved on January 19, 2021 from https://www.ncdc.noaa.gov/cag/