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 June 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 2. Northeast

Average Temperature Rankings, September 1971

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1971
1-Month
67.4°F
(19.7°C)
63.7°F
(17.6°C)
3.7°F
(2.1°C)
112th Coolest Coolest since: 1970 1918
15th Warmest Warmest since: 1939 1897
Ties: 1906
Aug–Sep 1971
2-Month
68.6°F
(20.3°C)
67.4°F
(19.7°C)
1.2°F
(0.6°C)
88th Coolest Coolest since: 1970 1902
39th Warmest Warmest since: 1961 1947
Ties: 1898, 1919
Jul–Sep 1971
3-Month
69.1°F
(20.6°C)
69.3°F
(20.7°C)
-0.2°F
(-0.1°C)
49th Coolest Coolest since: 1967 1924
78th Warmest Warmest since: 1970 1936
Ties: 1905, 1943, 1984, 2000
Jun–Sep 1971
4-Month
70.1°F
(21.2°C)
69.1°F
(20.6°C)
1.0°F
(0.6°C)
87th Coolest Coolest since: 1970 1915
40th Warmest Warmest since: 1959 2005
Ties: 1922, 1930, 1999
May–Sep 1971
5-Month
67.4°F
(19.7°C)
67.1°F
(19.5°C)
0.3°F
(0.2°C)
67th Coolest Coolest since: 1969 1924
60th Warmest Warmest since: 1970 1921, 1988
Ties: 1908, 1937, 2006
Apr–Sep 1971
6-Month
64.2°F
(17.9°C)
63.9°F
(17.7°C)
0.3°F
(0.2°C)
66th Coolest Coolest since: 1969 1907
61st Warmest Warmest since: 1970 1921
Ties: 1908, 1938, 1973
Mar–Sep 1971
7-Month
59.7°F
(15.4°C)
59.9°F
(15.5°C)
-0.2°F
(-0.1°C)
49th Coolest Coolest since: 1969 1924
78th Warmest Warmest since: 1970 2012
Ties: 1906, 1918, 1945, 2003
Feb–Sep 1971
8-Month
55.4°F
(13.0°C)
55.5°F
(13.1°C)
-0.1°F
(-0.1°C)
57th Coolest Coolest since: 1969 1904, 1917
70th Warmest Warmest since: 1970 2012
Ties: 1936, 1956, 1994, 2009
Jan–Sep 1971
9-Month
51.1°F
(10.6°C)
51.8°F
(11.0°C)
-0.7°F
(-0.4°C)
41st Coolest Coolest since: 1969 1904, 1912
86th Warmest Warmest since: 1970 2012
Dec 1970–Sep 1971
10-Month
48.8°F
(9.3°C)
49.2°F
(9.6°C)
-0.4°F
(-0.3°C)
44th Coolest Coolest since: 1970 1904
82nd Warmest Warmest since: 1968 2012
Ties: 1909, 1960, 1974
Nov 1970–Sep 1971
11-Month
47.8°F
(8.8°C)
48.2°F
(9.0°C)
-0.4°F
(-0.2°C)
46th Coolest Coolest since: 1970 1904
80th Warmest Warmest since: 1968 2012
Ties: 1937, 1947
Oct 1970–Sep 1971
12-Month
48.2°F
(9.0°C)
48.4°F
(9.1°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1970 1904
81st Warmest Warmest since: 1968 2012
Ties: 1909, 1923, 1928, 1993
Apr 1970–Sep 1971
18-Month
53.8°F
(12.1°C)
53.6°F
(12.0°C)
0.2°F
(0.1°C)
66th Coolest Coolest since: 1970 1904
60th Warmest Warmest since: 1964 2012
Ties: 1973, 1990, 2001, 2003
Oct 1969–Sep 1971
24-Month
47.9°F
(8.8°C)
48.4°F
(9.1°C)
-0.5°F
(-0.3°C)
25th Coolest Coolest since: 1970 1918
100th Warmest Warmest since: 1969 2017
Ties: 1906, 1908, 1928, 1929, 1961, 1962
Oct 1968–Sep 1971
36-Month
47.9°F
(8.8°C)
48.4°F
(9.1°C)
-0.5°F
(-0.3°C)
25th Coolest Coolest since: 1967 1979
99th Warmest Warmest since: 1970 2000
Ties: 1914, 1978, 1982
Oct 1967–Sep 1971
48-Month
48.1°F
(8.9°C)
48.4°F
(9.1°C)
-0.3°F
(-0.2°C)
33rd Coolest Coolest since: 1970 1905, 1918
90th Warmest Warmest since: 1969 2001, 2002, 2019
Ties: 1953, 1960, 1969, 1972, 1997
Oct 1966–Sep 1971
60-Month
48.0°F
(8.9°C)
48.4°F
(9.1°C)
-0.4°F
(-0.2°C)
24th Coolest Coolest since: 1970 1905, 1906
98th Warmest Warmest since: 1970 2002
Ties: 1903, 1909, 1915, 1951, 1952, 1964, 1969, 1970

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published July 2021, retrieved on August 4, 2021 from https://www.ncdc.noaa.gov/cag/