Climate at a Glance

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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 2009

June 2009 »

Illinois, Climate Division 2. Northeast

Average Temperature Rankings, May 2009

View Period (Months):All1234567891011121824364860

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• Record Coolest
• Bottom 1/10
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• Top 1/3
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• Record Warmest

Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2009 1-Month	59.9°F (15.5°C)	58.9°F (14.9°C)	1.0°F (0.6°C)	77th Coolest	Coolest since: 2008	1907
				52nd Warmest	Warmest since: 2007	1977
	Ties: 1933
Apr–May 2009 2-Month	53.6°F (12.0°C)	53.3°F (11.8°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 2008	1907
				61st Warmest	Warmest since: 2007	1896, 1977
	Ties: 1936, 1939, 1974
Mar–May 2009 3-Month	48.7°F (9.3°C)	47.5°F (8.6°C)	1.2°F (0.7°C)	86th Coolest	Coolest since: 2008	1926
				43rd Warmest	Warmest since: 2007	2012
	Ties: 1981
Feb–May 2009 4-Month	43.5°F (6.4°C)	41.9°F (5.5°C)	1.6°F (0.9°C)	95th Coolest	Coolest since: 2008	1904, 1947
				34th Warmest	Warmest since: 2006	2012
Jan–May 2009 5-Month	37.7°F (3.2°C)	37.7°F (3.2°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 2008	1912
				72nd Warmest	Warmest since: 2007	2012
	Ties: 1909, 1914, 1961, 2011
Dec 2008–May 2009 6-Month	35.0°F (1.7°C)	35.8°F (2.1°C)	-0.8°F (-0.4°C)	37th Coolest	Coolest since: 2008	1904
				91st Warmest	Warmest since: 2008	2012
	Ties: 1900, 1907, 1948, 2008
Nov 2008–May 2009 7-Month	35.6°F (2.0°C)	36.1°F (2.3°C)	-0.5°F (-0.3°C)	41st Coolest	Coolest since: 2008	1904
				87th Warmest	Warmest since: 2007	2012
	Ties: 1916
Oct 2008–May 2009 8-Month	37.6°F (3.1°C)	38.2°F (3.4°C)	-0.6°F (-0.3°C)	42nd Coolest	Coolest since: 1997	1904
				86th Warmest	Warmest since: 2008	2012
Sep 2008–May 2009 9-Month	40.6°F (4.8°C)	40.9°F (4.9°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1997	1904
				84th Warmest	Warmest since: 2008	2012
	Ties: 1907, 1916, 1947
Aug 2008–May 2009 10-Month	43.6°F (6.4°C)	43.9°F (6.6°C)	-0.3°F (-0.2°C)	43rd Coolest	Coolest since: 1997	1904
				85th Warmest	Warmest since: 2008	2012
	Ties: 1927, 1950
Jul 2008–May 2009 11-Month	46.3°F (7.9°C)	46.7°F (8.2°C)	-0.4°F (-0.3°C)	43rd Coolest	Coolest since: 1997	1904
				85th Warmest	Warmest since: 2008	2012
	Ties: 1908, 1967, 1980
Jun 2008–May 2009 12-Month	48.3°F (9.1°C)	48.5°F (9.2°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1997	1904
				78th Warmest	Warmest since: 2008	2012
Dec 2007–May 2009 18-Month	43.8°F (6.6°C)	44.2°F (6.8°C)	-0.4°F (-0.2°C)	39th Coolest	Coolest since: 1997	1905, 1918
				88th Warmest	Warmest since: 2008	2017
	Ties: 1900, 1903, 1948, 1994
Jun 2007–May 2009 24-Month	48.7°F (9.3°C)	48.4°F (9.1°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1997	1905
				59th Warmest	Warmest since: 2008	2017
	Ties: 1901, 1941, 1943, 1972, 1981
Jun 2006–May 2009 36-Month	49.1°F (9.5°C)	48.4°F (9.1°C)	0.7°F (0.4°C)	86th Coolest	Coolest since: 1998	1918
				40th Warmest	Warmest since: 2008	2000
	Ties: 1954, 1974, 1985
Jun 2005–May 2009 48-Month	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	107th Coolest	Coolest since: 2004	1907
				18th Warmest	Warmest since: 2008	2001
Jun 2004–May 2009 60-Month	49.8°F (9.9°C)	48.4°F (9.1°C)	1.4°F (0.8°C)	112th Coolest	Coolest since: 2005	1908
				12th Warmest	Warmest since: 2008	2002
	Ties: 1935, 1991, 1992, 2000, 2012, 2022

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, Average Temperature, published September 2022, retrieved on October 2, 2022 from https://www.ncdc.noaa.gov/cag/