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 2. Northeast

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	64.3°F (17.9°C)	63.7°F (17.6°C)	0.6°F (0.3°C)	72nd Coolest	Coolest since: 1969	1918
September 1970 1-Month	64.3°F (17.9°C)	63.7°F (17.6°C)	0.6°F (0.3°C)	57th Warmest	Warmest since: 1961	1897
Aug–Sep 1970 2-Month	68.1°F (20.1°C)	67.4°F (19.7°C)	0.7°F (0.4°C)	77th Coolest	Coolest since: 1969	1902
	68.1°F (20.1°C)	67.4°F (19.7°C)	0.7°F (0.4°C)	52nd Warmest	Warmest since: 1961	1947
	Ties: 1990, 2020
Jul–Sep 1970 3-Month	70.1°F (21.2°C)	69.4°F (20.8°C)	0.7°F (0.4°C)	81st Coolest	Coolest since: 1969	1924
	70.1°F (21.2°C)	69.4°F (20.8°C)	0.7°F (0.4°C)	48th Warmest	Warmest since: 1960	1936
	Ties: 1922, 1953, 2015, 2022
Jun–Sep 1970 4-Month	69.7°F (20.9°C)	69.2°F (20.7°C)	0.5°F (0.2°C)	76th Coolest	Coolest since: 1969	1915
	69.7°F (20.9°C)	69.2°F (20.7°C)	0.5°F (0.2°C)	53rd Warmest	Warmest since: 1959	2005
	Ties: 1914, 1932, 1949, 1984, 2008
May–Sep 1970 5-Month	68.1°F (20.1°C)	67.1°F (19.5°C)	1.0°F (0.6°C)	90th Coolest	Coolest since: 1969	1924
	68.1°F (20.1°C)	67.1°F (19.5°C)	1.0°F (0.6°C)	39th Warmest	Warmest since: 1964	1921, 1988
	Ties: 1898, 1899, 1930, 2011, 2019
Apr–Sep 1970 6-Month	65.0°F (18.3°C)	63.8°F (17.7°C)	1.2°F (0.6°C)	92nd Coolest	Coolest since: 1969	1907
	65.0°F (18.3°C)	63.8°F (17.7°C)	1.2°F (0.6°C)	37th Warmest	Warmest since: 1964	1921
	Ties: 1906, 1919, 1930, 2015
Mar–Sep 1970 7-Month	60.4°F (15.8°C)	59.9°F (15.5°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1969	1924
	60.4°F (15.8°C)	59.9°F (15.5°C)	0.5°F (0.3°C)	57th Warmest	Warmest since: 1968	2012
	Ties: 1914, 2019
Feb–Sep 1970 8-Month	55.9°F (13.3°C)	55.5°F (13.1°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1969	1904, 1917
	55.9°F (13.3°C)	55.5°F (13.1°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1968	2012
	Ties: 1942, 2019
Jan–Sep 1970 9-Month	51.2°F (10.7°C)	51.8°F (11.0°C)	-0.6°F (-0.3°C)	42nd Coolest	Coolest since: 1969	1904, 1912
	51.2°F (10.7°C)	51.8°F (11.0°C)	-0.6°F (-0.3°C)	87th Warmest	Warmest since: 1968	2012
	Ties: 1901, 1903, 1909, 1945, 1948, 2003
Dec 1969–Sep 1970 10-Month	48.6°F (9.2°C)	49.2°F (9.6°C)	-0.6°F (-0.4°C)	39th Coolest	Coolest since: 1969	1904
	48.6°F (9.2°C)	49.2°F (9.6°C)	-0.6°F (-0.4°C)	89th Warmest	Warmest since: 1968	2012
	Ties: 1916, 1935, 1947, 1994
Nov 1969–Sep 1970 11-Month	47.4°F (8.6°C)	48.1°F (8.9°C)	-0.7°F (-0.3°C)	34th Coolest	Coolest since: 1967	1904
	47.4°F (8.6°C)	48.1°F (8.9°C)	-0.7°F (-0.3°C)	94th Warmest	Warmest since: 1969	2012
	Ties: 1927, 1945, 1965
Oct 1969–Sep 1970 12-Month	47.6°F (8.7°C)	48.5°F (9.2°C)	-0.9°F (-0.5°C)	30th Coolest	Coolest since: 1967	1904
	47.6°F (8.7°C)	48.5°F (9.2°C)	-0.9°F (-0.5°C)	98th Warmest	Warmest since: 1969	2012
	Ties: 1927, 1940, 1965
Apr 1969–Sep 1970 18-Month	52.9°F (11.6°C)	53.6°F (12.0°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1967	1904
	52.9°F (11.6°C)	53.6°F (12.0°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1969	2012
	Ties: 1902, 1928, 1994
Oct 1968–Sep 1970 24-Month	47.8°F (8.8°C)	48.4°F (9.1°C)	-0.6°F (-0.3°C)	23rd Coolest	Coolest since: 1963	1918
	47.8°F (8.8°C)	48.4°F (9.1°C)	-0.6°F (-0.3°C)	104th Warmest	Warmest since: 1969	2017
	Ties: 1916
Oct 1967–Sep 1970 36-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	33rd Coolest	Coolest since: 1969	1979
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	93rd Warmest	Warmest since: 1968	2000
	Ties: 1924, 1925, 1930, 1945, 1953, 1964, 1972
Oct 1966–Sep 1970 48-Month	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	21st Coolest	Coolest since: 1963	1905, 1918
	47.9°F (8.8°C)	48.4°F (9.1°C)	-0.5°F (-0.3°C)	104th Warmest	Warmest since: 1969	2001, 2002, 2019
	Ties: 1902, 1908, 1951
Oct 1965–Sep 1970 60-Month	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	24th Coolest	Coolest since: 1969	1905, 1906
	48.0°F (8.9°C)	48.4°F (9.1°C)	-0.4°F (-0.2°C)	100th Warmest	Warmest since: 1969	2002
	Ties: 1903, 1909, 1915, 1951, 1952, 1964, 1969, 1971

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings