Divisional Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 8. Southwest

Average Temperature Rankings, June 1965

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1965 1-Month	74.0°F (23.3°C)	73.9°F (23.3°C)	0.1°F (0.0°C)	55th Coolest	Coolest since: 1962	1903
	74.0°F (23.3°C)	73.9°F (23.3°C)	0.1°F (0.0°C)	74th Warmest	Warmest since: 1964	1952
	Ties: 1897, 1937, 1942, 1948, 1959, 1978, 1996
May–Jun 1965 2-Month	71.8°F (22.1°C)	69.4°F (20.8°C)	2.4°F (1.3°C)	107th Coolest	Coolest since: 1964	1907
May–Jun 1965 2-Month	71.8°F (22.1°C)	69.4°F (20.8°C)	2.4°F (1.3°C)	22nd Warmest	Warmest since: 1962	2018
Apr–Jun 1965 3-Month	67.5°F (19.7°C)	64.7°F (18.2°C)	2.8°F (1.5°C)	120th Coolest	Coolest since: 1964	1907
	67.5°F (19.7°C)	64.7°F (18.2°C)	2.8°F (1.5°C)	9th Warmest	Warmest since: 1941	2010
	Ties: 1986
Mar–Jun 1965 4-Month	59.6°F (15.3°C)	59.7°F (15.4°C)	-0.1°F (-0.1°C)	53rd Coolest	Coolest since: 1961	1960
Mar–Jun 1965 4-Month	59.6°F (15.3°C)	59.7°F (15.4°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1964	2012
Feb–Jun 1965 5-Month	54.6°F (12.6°C)	54.8°F (12.7°C)	-0.2°F (-0.1°C)	56th Coolest	Coolest since: 1961	1912, 1960, 1978
	54.6°F (12.6°C)	54.8°F (12.7°C)	-0.2°F (-0.1°C)	73rd Warmest	Warmest since: 1964	2012
	Ties: 1909, 2021
Jan–Jun 1965 6-Month	51.1°F (10.6°C)	50.8°F (10.4°C)	0.3°F (0.2°C)	64th Coolest	Coolest since: 1963	1912, 1978
	51.1°F (10.6°C)	50.8°F (10.4°C)	0.3°F (0.2°C)	65th Warmest	Warmest since: 1964	2012
	Ties: 1935
Dec 1964–Jun 1965 7-Month	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	60th Coolest	Coolest since: 1964	1978
	48.6°F (9.2°C)	48.5°F (9.2°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1957	2012
	Ties: 1985, 1989
Nov 1964–Jun 1965 8-Month	48.5°F (9.2°C)	48.0°F (8.9°C)	0.5°F (0.3°C)	71st Coolest	Coolest since: 1964	1912
	48.5°F (9.2°C)	48.0°F (8.9°C)	0.5°F (0.3°C)	57th Warmest	Warmest since: 1957	2012
	Ties: 1931, 1935, 1944
Oct 1964–Jun 1965 9-Month	49.1°F (9.5°C)	49.1°F (9.5°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1963	1912, 1978
	49.1°F (9.5°C)	49.1°F (9.5°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1964	2012
	Ties: 1901, 1913, 1988
Sep 1964–Jun 1965 10-Month	51.1°F (10.6°C)	51.1°F (10.6°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1963	1978
	51.1°F (10.6°C)	51.1°F (10.6°C)	0.0°F (0.0°C)	73rd Warmest	Warmest since: 1964	2012
	Ties: 1927, 1956, 1985
Aug 1964–Jun 1965 11-Month	53.3°F (11.8°C)	53.3°F (11.8°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1963	1904, 1978
	53.3°F (11.8°C)	53.3°F (11.8°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1964	2012
	Ties: 1913, 1967, 1989
Jul 1964–Jun 1965 12-Month	55.4°F (13.0°C)	55.4°F (13.0°C)	0.0°F (0.0°C)	56th Coolest	Coolest since: 1963	1904, 1912, 1918, 1978
	55.4°F (13.0°C)	55.4°F (13.0°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1964	2012
	Ties: 1959, 1989
Jan 1964–Jun 1965 18-Month	54.4°F (12.4°C)	53.9°F (12.2°C)	0.5°F (0.2°C)	85th Coolest	Coolest since: 1964	1979
	54.4°F (12.4°C)	53.9°F (12.2°C)	0.5°F (0.2°C)	43rd Warmest	Warmest since: 1957	2017
	Ties: 1950, 1976, 2001, 2010
Jul 1963–Jun 1965 24-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	74th Coolest	Coolest since: 1964	1978, 1979
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	53rd Warmest	Warmest since: 1957	2017
	Ties: 1898, 1901, 1944, 1946, 1973, 2010
Jul 1962–Jun 1965 36-Month	55.2°F (12.9°C)	55.4°F (13.0°C)	-0.2°F (-0.1°C)	43rd Coolest	Coolest since: 1964	1979
	55.2°F (12.9°C)	55.4°F (13.0°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1959	2018
	Ties: 1902, 1903, 1953, 1959, 1983, 1994, 1996, 1998
Jul 1961–Jun 1965 48-Month	55.2°F (12.9°C)	55.4°F (13.0°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1964	1980
	55.2°F (12.9°C)	55.4°F (13.0°C)	-0.2°F (-0.1°C)	85th Warmest	Warmest since: 1959	2019
	Ties: 1901, 1903, 1909, 1914, 1921, 1926, 1928, 1951, 1952, 1966, 1977
Jul 1960–Jun 1965 60-Month	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	35th Coolest	Coolest since: 1964	1980
	55.1°F (12.8°C)	55.4°F (13.0°C)	-0.3°F (-0.2°C)	89th Warmest	Warmest since: 1960	2020
	Ties: 1901, 1910, 1921, 1929, 1951, 1960, 1966, 1968, 1977, 1985, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings