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 1929

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1929 1-Month	62.7°F (17.1°C)	63.7°F (17.6°C)	-1.0°F (-0.5°C)	40th Coolest	Coolest since: 1928	1918
	62.7°F (17.1°C)	63.7°F (17.6°C)	-1.0°F (-0.5°C)	89th Warmest	Warmest since: 1927	1897
	Ties: 1913
Aug–Sep 1929 2-Month	65.9°F (18.8°C)	67.4°F (19.7°C)	-1.5°F (-0.9°C)	20th Coolest	Coolest since: 1928	1902
	65.9°F (18.8°C)	67.4°F (19.7°C)	-1.5°F (-0.9°C)	109th Warmest	Warmest since: 1927	1947
	Ties: 1918, 1965, 1989
Jul–Sep 1929 3-Month	68.2°F (20.1°C)	69.3°F (20.7°C)	-1.1°F (-0.6°C)	23rd Coolest	Coolest since: 1928	1924
	68.2°F (20.1°C)	69.3°F (20.7°C)	-1.1°F (-0.6°C)	106th Warmest	Warmest since: 1927	1936
	Ties: 1975, 1981, 1996
Jun–Sep 1929 4-Month	67.4°F (19.7°C)	69.2°F (20.7°C)	-1.8°F (-1.0°C)	17th Coolest	Coolest since: 1928	1915
	67.4°F (19.7°C)	69.2°F (20.7°C)	-1.8°F (-1.0°C)	112th Warmest	Warmest since: 1927	2005
	Ties: 1926, 1927, 2009
May–Sep 1929 5-Month	65.2°F (18.4°C)	67.1°F (19.5°C)	-1.9°F (-1.1°C)	11th Coolest	Coolest since: 1927	1924
	65.2°F (18.4°C)	67.1°F (19.5°C)	-1.9°F (-1.1°C)	118th Warmest	Warmest since: 1928	1921, 1988
	Ties: 1902, 1951
Apr–Sep 1929 6-Month	62.6°F (17.0°C)	63.9°F (17.7°C)	-1.3°F (-0.7°C)	20th Coolest	Coolest since: 1928	1907
	62.6°F (17.0°C)	63.9°F (17.7°C)	-1.3°F (-0.7°C)	109th Warmest	Warmest since: 1925	1921
	Ties: 1903, 1966
Mar–Sep 1929 7-Month	59.6°F (15.3°C)	59.9°F (15.5°C)	-0.3°F (-0.2°C)	48th Coolest	Coolest since: 1928	1924
Mar–Sep 1929 7-Month	59.6°F (15.3°C)	59.9°F (15.5°C)	-0.3°F (-0.2°C)	81st Warmest	Warmest since: 1925	2012
Feb–Sep 1929 8-Month	54.3°F (12.4°C)	55.5°F (13.1°C)	-1.2°F (-0.7°C)	22nd Coolest	Coolest since: 1926	1904, 1917
	54.3°F (12.4°C)	55.5°F (13.1°C)	-1.2°F (-0.7°C)	107th Warmest	Warmest since: 1928	2012
	Ties: 1905, 1915, 1965
Jan–Sep 1929 9-Month	49.8°F (9.9°C)	51.7°F (10.9°C)	-1.9°F (-1.0°C)	9th Coolest	Coolest since: 1924	1904, 1912
	49.8°F (9.9°C)	51.7°F (10.9°C)	-1.9°F (-1.0°C)	120th Warmest	Warmest since: 1928	2012
	Ties: 1978
Dec 1928–Sep 1929 10-Month	47.7°F (8.7°C)	49.1°F (9.5°C)	-1.4°F (-0.8°C)	17th Coolest	Coolest since: 1926	1904
	47.7°F (8.7°C)	49.1°F (9.5°C)	-1.4°F (-0.8°C)	111th Warmest	Warmest since: 1928	2012
	Ties: 1962, 1984, 1996
Nov 1928–Sep 1929 11-Month	46.9°F (8.3°C)	48.1°F (8.9°C)	-1.2°F (-0.6°C)	21st Coolest	Coolest since: 1926	1904
	46.9°F (8.3°C)	48.1°F (8.9°C)	-1.2°F (-0.6°C)	107th Warmest	Warmest since: 1928	2012
	Ties: 1907
Oct 1928–Sep 1929 12-Month	47.5°F (8.6°C)	48.5°F (9.2°C)	-1.0°F (-0.6°C)	26th Coolest	Coolest since: 1926	1904
	47.5°F (8.6°C)	48.5°F (9.2°C)	-1.0°F (-0.6°C)	102nd Warmest	Warmest since: 1928	2012
	Ties: 1943, 1967, 2009
Apr 1928–Sep 1929 18-Month	52.3°F (11.3°C)	53.6°F (12.0°C)	-1.3°F (-0.7°C)	10th Coolest	Coolest since: 1927	1904
	52.3°F (11.3°C)	53.6°F (12.0°C)	-1.3°F (-0.7°C)	118th Warmest	Warmest since: 1928	2012
	Ties: 1926, 1927, 1982, 1997
Oct 1927–Sep 1929 24-Month	47.9°F (8.8°C)	48.5°F (9.2°C)	-0.6°F (-0.4°C)	25th Coolest	Coolest since: 1928	1918
	47.9°F (8.8°C)	48.5°F (9.2°C)	-0.6°F (-0.4°C)	102nd Warmest	Warmest since: 1928	2017
	Ties: 1906, 1908, 1928, 1961, 1962, 1971
Oct 1926–Sep 1929 36-Month	47.8°F (8.8°C)	48.4°F (9.1°C)	-0.6°F (-0.3°C)	20th Coolest	Coolest since: 1928	1979
	47.8°F (8.8°C)	48.4°F (9.1°C)	-0.6°F (-0.3°C)	106th Warmest	Warmest since: 1925	2000
	Ties: 1913, 1951, 1960, 1967
Oct 1925–Sep 1929 48-Month	47.3°F (8.5°C)	48.4°F (9.1°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1927	1905, 1918
	47.3°F (8.5°C)	48.4°F (9.1°C)	-1.1°F (-0.6°C)	117th Warmest	Warmest since: 1928	2001, 2002, 2019
	Ties: 1927
Oct 1924–Sep 1929 60-Month	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	16th Coolest	Coolest since: 1928	1905, 1906
Oct 1924–Sep 1929 60-Month	47.7°F (8.7°C)	48.4°F (9.1°C)	-0.7°F (-0.4°C)	108th Warmest	Warmest since: 1926	2002

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings