Statewide 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

Average Temperature Rankings, September 1907

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1907 1-Month	64.7°F (18.2°C)	66.2°F (19.0°C)	-1.5°F (-0.8°C)	34th Coolest	Coolest since: 1902	1918
	64.7°F (18.2°C)	66.2°F (19.0°C)	-1.5°F (-0.8°C)	95th Warmest	Warmest since: 1906	1925, 1933
	Ties: 1982, 2014
Aug–Sep 1907 2-Month	68.4°F (20.2°C)	69.9°F (21.1°C)	-1.5°F (-0.9°C)	27th Coolest	Coolest since: 1904	1967
	68.4°F (20.2°C)	69.9°F (21.1°C)	-1.5°F (-0.9°C)	102nd Warmest	Warmest since: 1906	1936
	Ties: 1918, 1942, 1999, 2009
Jul–Sep 1907 3-Month	70.6°F (21.4°C)	71.7°F (22.1°C)	-1.1°F (-0.7°C)	28th Coolest	Coolest since: 1904	1967
	70.6°F (21.4°C)	71.7°F (22.1°C)	-1.1°F (-0.7°C)	101st Warmest	Warmest since: 1906	1936
	Ties: 1903, 1928, 1929, 1949, 1963
Jun–Sep 1907 4-Month	69.9°F (21.1°C)	71.6°F (22.0°C)	-1.7°F (-0.9°C)	16th Coolest	Coolest since: 1904	1915, 1924
	69.9°F (21.1°C)	71.6°F (22.0°C)	-1.7°F (-0.9°C)	113th Warmest	Warmest since: 1906	1936
	Ties: 1945, 1958, 2009
May–Sep 1907 5-Month	67.1°F (19.5°C)	69.7°F (20.9°C)	-2.6°F (-1.4°C)	5th Coolest	Coolest since: 1907	1924
May–Sep 1907 5-Month	67.1°F (19.5°C)	69.7°F (20.9°C)	-2.6°F (-1.4°C)	124th Warmest	Warmest since: 1906	1936
Apr–Sep 1907 6-Month	63.1°F (17.3°C)	66.7°F (19.3°C)	-3.6°F (-2.0°C)	1st Coolest	Coolest since: 1907	1907
Apr–Sep 1907 6-Month	63.1°F (17.3°C)	66.7°F (19.3°C)	-3.6°F (-2.0°C)	128th Warmest	Warmest since: 1906	2010
Mar–Sep 1907 7-Month	60.8°F (16.0°C)	62.9°F (17.2°C)	-2.1°F (-1.2°C)	5th Coolest	Coolest since: 1904	1924
	60.8°F (16.0°C)	62.9°F (17.2°C)	-2.1°F (-1.2°C)	124th Warmest	Warmest since: 1906	2012
	Ties: 1915, 1951
Feb–Sep 1907 8-Month	56.7°F (13.7°C)	58.6°F (14.8°C)	-1.9°F (-1.1°C)	11th Coolest	Coolest since: 1904	1904
Feb–Sep 1907 8-Month	56.7°F (13.7°C)	58.6°F (14.8°C)	-1.9°F (-1.1°C)	118th Warmest	Warmest since: 1906	2012
Jan–Sep 1907 9-Month	53.7°F (12.1°C)	54.9°F (12.7°C)	-1.2°F (-0.6°C)	25th Coolest	Coolest since: 1905	1904, 1912
Jan–Sep 1907 9-Month	53.7°F (12.1°C)	54.9°F (12.7°C)	-1.2°F (-0.6°C)	104th Warmest	Warmest since: 1906	2012
Dec 1906–Sep 1907 10-Month	51.5°F (10.8°C)	52.4°F (11.3°C)	-0.9°F (-0.5°C)	26th Coolest	Coolest since: 1905	1904
	51.5°F (10.8°C)	52.4°F (11.3°C)	-0.9°F (-0.5°C)	102nd Warmest	Warmest since: 1906	2012
	Ties: 1967, 1969, 1970
Nov 1906–Sep 1907 11-Month	50.3°F (10.2°C)	51.3°F (10.7°C)	-1.0°F (-0.5°C)	24th Coolest	Coolest since: 1905	1904
	50.3°F (10.2°C)	51.3°F (10.7°C)	-1.0°F (-0.5°C)	104th Warmest	Warmest since: 1906	2012
	Ties: 1970
Oct 1906–Sep 1907 12-Month	50.5°F (10.3°C)	51.6°F (10.9°C)	-1.1°F (-0.6°C)	21st Coolest	Coolest since: 1905	1904
	50.5°F (10.3°C)	51.6°F (10.9°C)	-1.1°F (-0.6°C)	107th Warmest	Warmest since: 1906	2012
	Ties: 1915, 1940, 1970, 1997
Apr 1906–Sep 1907 18-Month	56.2°F (13.4°C)	56.6°F (13.7°C)	-0.4°F (-0.3°C)	39th Coolest	Coolest since: 1905	1904, 1918
	56.2°F (13.4°C)	56.6°F (13.7°C)	-0.4°F (-0.3°C)	89th Warmest	Warmest since: 1906	2012
	Ties: 1940, 2015
Oct 1905–Sep 1907 24-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	31st Coolest	Coolest since: 1906	1979
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	96th Warmest	Warmest since: 1901	2017
	Ties: 1916
Oct 1904–Sep 1907 36-Month	50.7°F (10.4°C)	51.6°F (10.9°C)	-0.9°F (-0.5°C)	8th Coolest	Coolest since: 1906	1979
	50.7°F (10.4°C)	51.6°F (10.9°C)	-0.9°F (-0.5°C)	118th Warmest	Warmest since: 1903	2018
	Ties: 1912, 1919, 1928, 1962, 1978
Oct 1903–Sep 1907 48-Month	50.1°F (10.1°C)	51.6°F (10.9°C)	-1.5°F (-0.8°C)	2nd Coolest	Coolest since: 1905	1905
	50.1°F (10.1°C)	51.6°F (10.9°C)	-1.5°F (-0.8°C)	123rd Warmest	Warmest since: 1906	2019
	Ties: 1980
Oct 1902–Sep 1907 60-Month	50.4°F (10.2°C)	51.6°F (10.9°C)	-1.2°F (-0.7°C)	4th Coolest	Coolest since: 1906	1906
	50.4°F (10.2°C)	51.6°F (10.9°C)	-1.2°F (-0.7°C)	120th Warmest	Warmest since: 1904	2020
	Ties: 1908, 1981

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings