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Statewide 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 2022. For more information, please see Climatological Rankings.

Parameter: Average Temperature Maximum Temperature Minimum Temperature Precipitation Cooling Degree Days Heating Degree Days Palmer Drought Severity Index (PDSI) Palmer Hydrological Drought Index (PHDI) Palmer Modified Drought Index (PMDI) Palmer Z-Index

Year: 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Month: January February March April May June July August September October November December

State: Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

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« September 1940

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Illinois

Average Temperature Rankings, October 1940

View Period (Months):All1234567891011121824364860

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Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2021)	Warmest/Coolest Since	Record
October 1940 1-Month	58.6°F (14.8°C)	54.6°F (12.6°C)	4.0°F (2.2°C)	113th Coolest	Coolest since: 1939	1925
				15th Warmest	Warmest since: 1938	1963
Sep–Oct 1940 2-Month	62.0°F (16.7°C)	60.4°F (15.8°C)	1.6°F (0.9°C)	96th Coolest	Coolest since: 1937	1917
				32nd Warmest	Warmest since: 1939	1897, 2016
Aug–Oct 1940 3-Month	66.0°F (18.9°C)	64.7°F (18.2°C)	1.3°F (0.7°C)	97th Coolest	Coolest since: 1937	1917
				31st Warmest	Warmest since: 1939	1947
	Ties: 1906, 2019
Jul–Oct 1940 4-Month	68.6°F (20.3°C)	67.5°F (19.7°C)	1.1°F (0.6°C)	99th Coolest	Coolest since: 1937	1917
				29th Warmest	Warmest since: 1939	1936
	Ties: 1922, 1930, 1933, 2002, 2018
Jun–Oct 1940 5-Month	69.3°F (20.7°C)	68.2°F (20.1°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 1937	1917
				34th Warmest	Warmest since: 1939	1936
	Ties: 2011, 2019
May–Oct 1940 6-Month	67.6°F (19.8°C)	67.3°F (19.6°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1937	1917
				55th Warmest	Warmest since: 1939	1936
	Ties: 1964
Apr–Oct 1940 7-Month	65.0°F (18.3°C)	65.0°F (18.3°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1937	1917
				70th Warmest	Warmest since: 1939	2010
	Ties: 1908, 1952
Mar–Oct 1940 8-Month	61.4°F (16.3°C)	61.8°F (16.6°C)	-0.4°F (-0.3°C)	42nd Coolest	Coolest since: 1937	1917
				86th Warmest	Warmest since: 1939	2012
	Ties: 1903, 1916, 1920, 1927, 1957
Feb–Oct 1940 9-Month	57.8°F (14.3°C)	58.2°F (14.6°C)	-0.4°F (-0.3°C)	44th Coolest	Coolest since: 1937	1917
				84th Warmest	Warmest since: 1939	2012
	Ties: 1901, 1968, 1974, 1992, 2009
Jan–Oct 1940 10-Month	53.4°F (11.9°C)	54.9°F (12.7°C)	-1.5°F (-0.8°C)	12th Coolest	Coolest since: 1929	1904
				116th Warmest	Warmest since: 1939	2012
	Ties: 1902, 1929, 1966
Dec 1939–Oct 1940 11-Month	51.6°F (10.9°C)	52.6°F (11.4°C)	-1.0°F (-0.5°C)	20th Coolest	Coolest since: 1929	1904
				107th Warmest	Warmest since: 1939	2012
	Ties: 1926, 1945, 1967, 1969, 2009
Nov 1939–Oct 1940 12-Month	50.6°F (10.3°C)	51.6°F (10.9°C)	-1.0°F (-0.6°C)	22nd Coolest	Coolest since: 1929	1904
				105th Warmest	Warmest since: 1939	2012
	Ties: 1929, 1977
May 1939–Oct 1940 18-Month	56.7°F (13.7°C)	56.8°F (13.8°C)	-0.1°F (-0.1°C)	54th Coolest	Coolest since: 1936	1904
				73rd Warmest	Warmest since: 1939	2012
	Ties: 1963, 1965, 2003
Nov 1938–Oct 1940 24-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	77th Coolest	Coolest since: 1937	1905
				49th Warmest	Warmest since: 1939	2017
	Ties: 1897, 1901, 1943, 1949, 2004
Nov 1937–Oct 1940 36-Month	52.4°F (11.3°C)	51.6°F (10.9°C)	0.8°F (0.4°C)	93rd Coolest	Coolest since: 1938	1904, 1979
				32nd Warmest	Warmest since: 1939	2018
	Ties: 1987, 2020
Nov 1936–Oct 1940 48-Month	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 1938	1905
				42nd Warmest	Warmest since: 1939	2019
	Ties: 1921, 1949, 1954, 1999, 2016
Nov 1935–Oct 1940 60-Month	51.9°F (11.1°C)	51.6°F (10.9°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1931	1905, 1906
				54th Warmest	Warmest since: 1939	2002, 2020
	Ties: 1924, 1944, 1946, 1949

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on September 29, 2022 from https://www.ncdc.noaa.gov/cag/