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, July 1920

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1920 1-Month	73.8°F (23.2°C)	75.6°F (24.2°C)	-1.8°F (-1.0°C)	29th Coolest	Coolest since: 1918	2009, 2014
	73.8°F (23.2°C)	75.6°F (24.2°C)	-1.8°F (-1.0°C)	100th Warmest	Warmest since: 1919	1936
	Ties: 1972, 1994
Jun–Jul 1920 2-Month	72.6°F (22.6°C)	73.5°F (23.1°C)	-0.9°F (-0.5°C)	43rd Coolest	Coolest since: 1918	1915, 1958
	72.6°F (22.6°C)	73.5°F (23.1°C)	-0.9°F (-0.5°C)	86th Warmest	Warmest since: 1919	1934
	Ties: 1970
May–Jul 1920 3-Month	68.5°F (20.3°C)	69.7°F (20.9°C)	-1.2°F (-0.6°C)	25th Coolest	Coolest since: 1917	1924
	68.5°F (20.3°C)	69.7°F (20.9°C)	-1.2°F (-0.6°C)	104th Warmest	Warmest since: 1919	1934
	Ties: 1950, 1989
Apr–Jul 1920 4-Month	62.8°F (17.1°C)	65.2°F (18.4°C)	-2.4°F (-1.3°C)	9th Coolest	Coolest since: 1917	1907
	62.8°F (17.1°C)	65.2°F (18.4°C)	-2.4°F (-1.3°C)	120th Warmest	Warmest since: 1919	1934
	Ties: 1928, 1935
Mar–Jul 1920 5-Month	58.4°F (14.7°C)	60.1°F (15.6°C)	-1.7°F (-0.9°C)	19th Coolest	Coolest since: 1917	1960
Mar–Jul 1920 5-Month	58.4°F (14.7°C)	60.1°F (15.6°C)	-1.7°F (-0.9°C)	110th Warmest	Warmest since: 1919	2012
Feb–Jul 1920 6-Month	53.4°F (11.9°C)	55.0°F (12.8°C)	-1.6°F (-0.9°C)	21st Coolest	Coolest since: 1917	1947
	53.4°F (11.9°C)	55.0°F (12.8°C)	-1.6°F (-0.9°C)	108th Warmest	Warmest since: 1919	2012
	Ties: 1902, 1905, 1951
Jan–Jul 1920 7-Month	48.7°F (9.3°C)	50.7°F (10.4°C)	-2.0°F (-1.1°C)	16th Coolest	Coolest since: 1917	1912
Jan–Jul 1920 7-Month	48.7°F (9.3°C)	50.7°F (10.4°C)	-2.0°F (-1.1°C)	113th Warmest	Warmest since: 1919	2012
Dec 1919–Jul 1920 8-Month	45.4°F (7.4°C)	48.1°F (8.9°C)	-2.7°F (-1.5°C)	6th Coolest	Coolest since: 1912	1904
Dec 1919–Jul 1920 8-Month	45.4°F (7.4°C)	48.1°F (8.9°C)	-2.7°F (-1.5°C)	122nd Warmest	Warmest since: 1919	2012
Nov 1919–Jul 1920 9-Month	44.6°F (7.0°C)	47.2°F (8.4°C)	-2.6°F (-1.4°C)	6th Coolest	Coolest since: 1912	1904
	44.6°F (7.0°C)	47.2°F (8.4°C)	-2.6°F (-1.4°C)	122nd Warmest	Warmest since: 1919	2012
	Ties: 1899
Oct 1919–Jul 1920 10-Month	45.9°F (7.7°C)	48.0°F (8.9°C)	-2.1°F (-1.2°C)	9th Coolest	Coolest since: 1918	1904
	45.9°F (7.7°C)	48.0°F (8.9°C)	-2.1°F (-1.2°C)	119th Warmest	Warmest since: 1919	2012
	Ties: 1960
Sep 1919–Jul 1920 11-Month	47.9°F (8.8°C)	49.7°F (9.8°C)	-1.8°F (-1.0°C)	11th Coolest	Coolest since: 1918	1904
	47.9°F (8.8°C)	49.7°F (9.8°C)	-1.8°F (-1.0°C)	117th Warmest	Warmest since: 1919	2012
	Ties: 1951, 1960
Aug 1919–Jul 1920 12-Month	50.0°F (10.0°C)	51.6°F (10.9°C)	-1.6°F (-0.9°C)	12th Coolest	Coolest since: 1918	1904
	50.0°F (10.0°C)	51.6°F (10.9°C)	-1.6°F (-0.9°C)	116th Warmest	Warmest since: 1919	2012
	Ties: 1917
Feb 1919–Jul 1920 18-Month	52.0°F (11.1°C)	52.7°F (11.5°C)	-0.7°F (-0.4°C)	30th Coolest	Coolest since: 1918	1918
	52.0°F (11.1°C)	52.7°F (11.5°C)	-0.7°F (-0.4°C)	98th Warmest	Warmest since: 1919	2012
	Ties: 1936, 1948, 1963
Aug 1918–Jul 1920 24-Month	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	57th Coolest	Coolest since: 1919	1905
	51.6°F (10.9°C)	51.6°F (10.9°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1915	2017
	Ties: 1898, 1909, 1948
Aug 1917–Jul 1920 36-Month	50.7°F (10.4°C)	51.6°F (10.9°C)	-0.9°F (-0.5°C)	9th Coolest	Coolest since: 1919	1979
	50.7°F (10.4°C)	51.6°F (10.9°C)	-0.9°F (-0.5°C)	117th Warmest	Warmest since: 1919	2018
	Ties: 1907, 1912, 1917, 1919, 1960, 2015
Aug 1916–Jul 1920 48-Month	50.5°F (10.3°C)	51.6°F (10.9°C)	-1.1°F (-0.6°C)	7th Coolest	Coolest since: 1918	1905, 1980
	50.5°F (10.3°C)	51.6°F (10.9°C)	-1.1°F (-0.6°C)	118th Warmest	Warmest since: 1919	2019
	Ties: 1904, 1981
Aug 1915–Jul 1920 60-Month	50.6°F (10.3°C)	51.6°F (10.9°C)	-1.0°F (-0.6°C)	9th Coolest	Coolest since: 1908	1906
Aug 1915–Jul 1920 60-Month	50.6°F (10.3°C)	51.6°F (10.9°C)	-1.0°F (-0.6°C)	115th Warmest	Warmest since: 1919	2020

Citing This Page

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