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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 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

Climate Division: All Divisions 1. Northwest 2. Northeast 3. West 4. Central 5. East 6. West Southwest 7. East Southeast 8. Southwest 9. Southeast

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« April 1978

June 1978 »

Illinois, Climate Division 3. West

Average Temperature Rankings, May 1978

View Period (Months):All1234567891011121824364860

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• Record Coolest
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• Record Warmest

Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1978 1-Month	60.7°F (15.9°C)	62.3°F (16.8°C)	-1.6°F (-0.9°C)	40th Coolest	Coolest since: 1976	1924
				89th Warmest	Warmest since: 1977	2018
	Ties: 1920, 1923
Apr–May 1978 2-Month	56.4°F (13.6°C)	56.8°F (13.8°C)	-0.4°F (-0.2°C)	48th Coolest	Coolest since: 1973	1907
				81st Warmest	Warmest since: 1977	1896
	Ties: 2009, 2022
Mar–May 1978 3-Month	48.3°F (9.1°C)	50.9°F (10.5°C)	-2.6°F (-1.4°C)	10th Coolest	Coolest since: 1961	1960
				119th Warmest	Warmest since: 1977	2012
	Ties: 1940, 1961
Feb–May 1978 4-Month	40.2°F (4.6°C)	45.2°F (7.3°C)	-5.0°F (-2.7°C)	1st Coolest	Coolest since: 1978	1978
				128th Warmest	Warmest since: 1977	2012
Jan–May 1978 5-Month	35.0°F (1.7°C)	40.9°F (4.9°C)	-5.9°F (-3.2°C)	1st Coolest	Coolest since: 1978	1978
				128th Warmest	Warmest since: 1977	2012
Dec 1977–May 1978 6-Month	33.2°F (0.7°C)	38.8°F (3.8°C)	-5.6°F (-3.1°C)	1st Coolest	Coolest since: 1978	1978
				127th Warmest	Warmest since: 1977	2012
Nov 1977–May 1978 7-Month	34.2°F (1.2°C)	39.0°F (3.9°C)	-4.8°F (-2.7°C)	1st Coolest	Coolest since: 1978	1978
				127th Warmest	Warmest since: 1977	2012
Oct 1977–May 1978 8-Month	36.4°F (2.4°C)	40.9°F (4.9°C)	-4.5°F (-2.5°C)	1st Coolest	Coolest since: 1978	1978
				127th Warmest	Warmest since: 1977	2012
Sep 1977–May 1978 9-Month	39.8°F (4.3°C)	43.7°F (6.5°C)	-3.9°F (-2.2°C)	1st Coolest	Coolest since: 1978	1978
				127th Warmest	Warmest since: 1977	2012
Aug 1977–May 1978 10-Month	42.9°F (6.1°C)	46.7°F (8.2°C)	-3.8°F (-2.1°C)	1st Coolest	Coolest since: 1978	1978
				127th Warmest	Warmest since: 1977	2012
Jul 1977–May 1978 11-Month	46.2°F (7.9°C)	49.4°F (9.7°C)	-3.2°F (-1.8°C)	2nd Coolest	Coolest since: 1904	1904
				126th Warmest	Warmest since: 1977	2012
Jun 1977–May 1978 12-Month	48.3°F (9.1°C)	51.3°F (10.7°C)	-3.0°F (-1.6°C)	2nd Coolest	Coolest since: 1904	1904
				126th Warmest	Warmest since: 1977	2012
Dec 1976–May 1978 18-Month	45.0°F (7.2°C)	47.1°F (8.4°C)	-2.1°F (-1.2°C)	6th Coolest	Coolest since: 1918	1979
				121st Warmest	Warmest since: 1977	2017
Jun 1976–May 1978 24-Month	48.9°F (9.4°C)	51.3°F (10.7°C)	-2.4°F (-1.3°C)	3rd Coolest	Coolest since: 1905	1905
				124th Warmest	Warmest since: 1977	2017
Jun 1975–May 1978 36-Month	50.2°F (10.1°C)	51.3°F (10.7°C)	-1.1°F (-0.6°C)	9th Coolest	Coolest since: 1971	1979
				117th Warmest	Warmest since: 1977	2018
	Ties: 1971
Jun 1974–May 1978 48-Month	50.1°F (10.1°C)	51.2°F (10.7°C)	-1.1°F (-0.6°C)	6th Coolest	Coolest since: 1971	1980
				119th Warmest	Warmest since: 1977	1935
	Ties: 1918, 1971, 1981
Jun 1973–May 1978 60-Month	50.6°F (10.3°C)	51.2°F (10.7°C)	-0.6°F (-0.4°C)	17th Coolest	Coolest since: 1972	1906, 1907, 1979
				107th Warmest	Warmest since: 1977	1935
	Ties: 1919, 1969, 1983

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, Average Temperature, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/