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 7. East Southeast

Average Temperature Rankings, September 1970

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1970 1-Month	71.1°F (21.7°C)	67.4°F (19.7°C)	3.7°F (2.0°C)	114th Coolest	Coolest since: 1969	1918
	71.1°F (21.7°C)	67.4°F (19.7°C)	3.7°F (2.0°C)	15th Warmest	Warmest since: 1960	1925
	Ties: 1897, 2002
Aug–Sep 1970 2-Month	72.6°F (22.6°C)	70.9°F (21.6°C)	1.7°F (1.0°C)	97th Coolest	Coolest since: 1969	1967
	72.6°F (22.6°C)	70.9°F (21.6°C)	1.7°F (1.0°C)	32nd Warmest	Warmest since: 1960	1936
	Ties: 1922
Jul–Sep 1970 3-Month	73.4°F (23.0°C)	72.6°F (22.6°C)	0.8°F (0.4°C)	82nd Coolest	Coolest since: 1969	1967
	73.4°F (23.0°C)	72.6°F (22.6°C)	0.8°F (0.4°C)	47th Warmest	Warmest since: 1960	1936
	Ties: 1922, 1986
Jun–Sep 1970 4-Month	72.8°F (22.7°C)	72.6°F (22.6°C)	0.2°F (0.1°C)	73rd Coolest	Coolest since: 1969	1967
	72.8°F (22.7°C)	72.6°F (22.6°C)	0.2°F (0.1°C)	56th Warmest	Warmest since: 1964	1936
	Ties: 1906, 1940, 1948, 1964, 1971, 2017
May–Sep 1970 5-Month	71.5°F (21.9°C)	70.7°F (21.5°C)	0.8°F (0.4°C)	88th Coolest	Coolest since: 1969	1924
	71.5°F (21.9°C)	70.7°F (21.5°C)	0.8°F (0.4°C)	41st Warmest	Warmest since: 1964	1936
	Ties: 1926, 1943
Apr–Sep 1970 6-Month	68.7°F (20.4°C)	67.7°F (19.8°C)	1.0°F (0.6°C)	90th Coolest	Coolest since: 1969	1907
	68.7°F (20.4°C)	67.7°F (19.8°C)	1.0°F (0.6°C)	39th Warmest	Warmest since: 1964	2010
	Ties: 1952, 1999, 2015
Mar–Sep 1970 7-Month	64.4°F (18.0°C)	64.0°F (17.8°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1969	1924
	64.4°F (18.0°C)	64.0°F (17.8°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1964	2012
	Ties: 1896, 1900, 2000
Feb–Sep 1970 8-Month	60.0°F (15.6°C)	59.9°F (15.5°C)	0.1°F (0.1°C)	61st Coolest	Coolest since: 1969	1904, 1924
	60.0°F (15.6°C)	59.9°F (15.5°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1964	2012
	Ties: 1914
Jan–Sep 1970 9-Month	55.4°F (13.0°C)	56.3°F (13.5°C)	-0.9°F (-0.5°C)	30th Coolest	Coolest since: 1969	1979
	55.4°F (13.0°C)	56.3°F (13.5°C)	-0.9°F (-0.5°C)	99th Warmest	Warmest since: 1969	2012
	Ties: 1897, 1967, 1968, 1969, 2003
Dec 1969–Sep 1970 10-Month	52.8°F (11.6°C)	53.9°F (12.2°C)	-1.1°F (-0.6°C)	23rd Coolest	Coolest since: 1963	1904
	52.8°F (11.6°C)	53.9°F (12.2°C)	-1.1°F (-0.6°C)	105th Warmest	Warmest since: 1969	2012
	Ties: 1961
Nov 1969–Sep 1970 11-Month	51.5°F (10.8°C)	52.8°F (11.6°C)	-1.3°F (-0.8°C)	19th Coolest	Coolest since: 1963	1904
	51.5°F (10.8°C)	52.8°F (11.6°C)	-1.3°F (-0.8°C)	109th Warmest	Warmest since: 1969	2012
	Ties: 1915, 1960
Oct 1969–Sep 1970 12-Month	51.8°F (11.0°C)	53.1°F (11.7°C)	-1.3°F (-0.7°C)	20th Coolest	Coolest since: 1963	1904
	51.8°F (11.0°C)	53.1°F (11.7°C)	-1.3°F (-0.7°C)	108th Warmest	Warmest since: 1969	2012
	Ties: 1905, 1960, 1963
Apr 1969–Sep 1970 18-Month	57.0°F (13.9°C)	57.9°F (14.4°C)	-0.9°F (-0.5°C)	20th Coolest	Coolest since: 1968	1918
	57.0°F (13.9°C)	57.9°F (14.4°C)	-0.9°F (-0.5°C)	108th Warmest	Warmest since: 1969	2012
	Ties: 1928, 1958, 1962, 1984, 1996, 1997
Oct 1968–Sep 1970 24-Month	51.9°F (11.1°C)	53.0°F (11.7°C)	-1.1°F (-0.6°C)	9th Coolest	Coolest since: 1918	1979
	51.9°F (11.1°C)	53.0°F (11.7°C)	-1.1°F (-0.6°C)	118th Warmest	Warmest since: 1969	2017
	Ties: 1982
Oct 1967–Sep 1970 36-Month	52.0°F (11.1°C)	53.1°F (11.7°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1918	1979
Oct 1967–Sep 1970 36-Month	52.0°F (11.1°C)	53.1°F (11.7°C)	-1.1°F (-0.6°C)	118th Warmest	Warmest since: 1969	2018
Oct 1966–Sep 1970 48-Month	52.0°F (11.1°C)	53.0°F (11.7°C)	-1.0°F (-0.6°C)	10th Coolest	Coolest since: 1920	1980
	52.0°F (11.1°C)	53.0°F (11.7°C)	-1.0°F (-0.6°C)	115th Warmest	Warmest since: 1969	2019
	Ties: 1920
Oct 1965–Sep 1970 60-Month	52.2°F (11.2°C)	53.0°F (11.7°C)	-0.8°F (-0.5°C)	11th Coolest	Coolest since: 1920	1982
	52.2°F (11.2°C)	53.0°F (11.7°C)	-0.8°F (-0.5°C)	113th Warmest	Warmest since: 1969	2020
	Ties: 1918, 1920

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings