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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 1999

June 1999 »

Illinois, Climate Division 5. East

Average Temperature Rankings, May 1999

View Period (Months):All1234567891011121824364860

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• Record Coolest
• Bottom 1/10
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• Record Warmest

Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1999 1-Month	64.2°F (17.9°C)	61.0°F (16.1°C)	3.2°F (1.8°C)	100th Coolest	Coolest since: 1997	1907
				29th Warmest	Warmest since: 1998	2018
	Ties: 2000, 2001
Apr–May 1999 2-Month	58.5°F (14.7°C)	55.4°F (13.0°C)	3.1°F (1.7°C)	112th Coolest	Coolest since: 1997	1907
				17th Warmest	Warmest since: 1998	1977
Mar–May 1999 3-Month	51.2°F (10.7°C)	49.7°F (9.8°C)	1.5°F (0.9°C)	92nd Coolest	Coolest since: 1997	1960
				37th Warmest	Warmest since: 1998	2012
	Ties: 1959, 2003, 2015
Feb–May 1999 4-Month	47.3°F (8.5°C)	44.2°F (6.8°C)	3.1°F (1.7°C)	114th Coolest	Coolest since: 1997	1978
				15th Warmest	Warmest since: 1998	2012
Jan–May 1999 5-Month	42.4°F (5.8°C)	40.1°F (4.5°C)	2.3°F (1.3°C)	111th Coolest	Coolest since: 1997	1978
				18th Warmest	Warmest since: 1998	2012
	Ties: 1896, 1932
Dec 1998–May 1999 6-Month	41.1°F (5.1°C)	38.1°F (3.4°C)	3.0°F (1.7°C)	116th Coolest	Coolest since: 1997	1978
				12th Warmest	Warmest since: 1998	2012
Nov 1998–May 1999 7-Month	41.6°F (5.3°C)	38.3°F (3.5°C)	3.3°F (1.8°C)	118th Coolest	Coolest since: 1997	1904
				10th Warmest	Warmest since: 1998	2012
	Ties: 2006
Oct 1998–May 1999 8-Month	43.4°F (6.3°C)	40.2°F (4.6°C)	3.2°F (1.7°C)	118th Coolest	Coolest since: 1997	1904
				10th Warmest	Warmest since: 1998	2012
Sep 1998–May 1999 9-Month	46.4°F (8.0°C)	43.0°F (6.1°C)	3.4°F (1.9°C)	122nd Coolest	Coolest since: 1998	1904
				6th Warmest	Warmest since: 1932	2012
Aug 1998–May 1999 10-Month	49.2°F (9.6°C)	45.9°F (7.7°C)	3.3°F (1.9°C)	123rd Coolest	Coolest since: 1998	1904
				5th Warmest	Warmest since: 1932	2012
Jul 1998–May 1999 11-Month	51.4°F (10.8°C)	48.5°F (9.2°C)	2.9°F (1.6°C)	123rd Coolest	Coolest since: 1998	1904
				5th Warmest	Warmest since: 1932	2012
	Ties: 2006
Jun 1998–May 1999 12-Month	53.0°F (11.7°C)	50.3°F (10.2°C)	2.7°F (1.5°C)	122nd Coolest	Coolest since: 1998	1904
				6th Warmest	Warmest since: 1932	2012
Dec 1997–May 1999 18-Month	49.8°F (9.9°C)	46.2°F (7.9°C)	3.6°F (2.0°C)	125th Coolest	Coolest since: 1998	1905
				2nd Warmest	Warmest to Date	2017
Jun 1997–May 1999 24-Month	52.7°F (11.5°C)	50.3°F (10.2°C)	2.4°F (1.3°C)	121st Coolest	Coolest since: 1998	1905
				6th Warmest	Warmest since: 1932	2017
	Ties: 1932
Jun 1996–May 1999 36-Month	51.6°F (10.9°C)	50.3°F (10.2°C)	1.3°F (0.7°C)	106th Coolest	Coolest since: 1998	1905, 1906
				20th Warmest	Warmest since: 1992	2018
	Ties: 1989, 2004, 2014
Jun 1995–May 1999 48-Month	51.1°F (10.6°C)	50.2°F (10.1°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1998	1905
				36th Warmest	Warmest since: 1993	2019
	Ties: 1923, 1987, 2015
Jun 1994–May 1999 60-Month	51.2°F (10.7°C)	50.2°F (10.1°C)	1.0°F (0.6°C)	92nd Coolest	Coolest since: 1998	1905, 1906, 1908
				32nd Warmest	Warmest since: 1993	2020
	Ties: 1990

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/