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 1940

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1940 1-Month	76.1°F (24.5°C)	75.6°F (24.2°C)	0.5°F (0.3°C)	84th Coolest	Coolest since: 1939	2009, 2014
	76.1°F (24.5°C)	75.6°F (24.2°C)	0.5°F (0.3°C)	45th Warmest	Warmest since: 1938	1936
	Ties: 1969, 2017
Jun–Jul 1940 2-Month	74.2°F (23.4°C)	73.5°F (23.1°C)	0.7°F (0.3°C)	86th Coolest	Coolest since: 1939	1915
	74.2°F (23.4°C)	73.5°F (23.1°C)	0.7°F (0.3°C)	43rd Warmest	Warmest since: 1939	1934
	Ties: 1939, 1957, 2006, 2019
May–Jul 1940 3-Month	69.1°F (20.6°C)	69.7°F (20.9°C)	-0.6°F (-0.3°C)	47th Coolest	Coolest since: 1935	1924
	69.1°F (20.6°C)	69.7°F (20.9°C)	-0.6°F (-0.3°C)	82nd Warmest	Warmest since: 1939	1934
	Ties: 1912
Apr–Jul 1940 4-Month	64.2°F (17.9°C)	65.1°F (18.4°C)	-0.9°F (-0.5°C)	26th Coolest	Coolest since: 1935	1907
	64.2°F (17.9°C)	65.1°F (18.4°C)	-0.9°F (-0.5°C)	103rd Warmest	Warmest since: 1939	1934
	Ties: 1903, 1929, 1960, 1982, 1983, 1984, 1989
Mar–Jul 1940 5-Month	58.7°F (14.8°C)	60.1°F (15.6°C)	-1.4°F (-0.8°C)	21st Coolest	Coolest since: 1928	1960
Mar–Jul 1940 5-Month	58.7°F (14.8°C)	60.1°F (15.6°C)	-1.4°F (-0.8°C)	108th Warmest	Warmest since: 1939	2012
Feb–Jul 1940 6-Month	53.8°F (12.1°C)	55.0°F (12.8°C)	-1.2°F (-0.7°C)	28th Coolest	Coolest since: 1937	1947
	53.8°F (12.1°C)	55.0°F (12.8°C)	-1.2°F (-0.7°C)	101st Warmest	Warmest since: 1939	2012
	Ties: 1937, 2008, 2013, 2015
Jan–Jul 1940 7-Month	47.9°F (8.8°C)	50.7°F (10.4°C)	-2.8°F (-1.6°C)	7th Coolest	Coolest since: 1924	1912
Jan–Jul 1940 7-Month	47.9°F (8.8°C)	50.7°F (10.4°C)	-2.8°F (-1.6°C)	122nd Warmest	Warmest since: 1939	2012
Dec 1939–Jul 1940 8-Month	46.2°F (7.9°C)	48.0°F (8.9°C)	-1.8°F (-1.0°C)	14th Coolest	Coolest since: 1920	1904
	46.2°F (7.9°C)	48.0°F (8.9°C)	-1.8°F (-1.0°C)	114th Warmest	Warmest since: 1939	2012
	Ties: 1902
Nov 1939–Jul 1940 9-Month	45.5°F (7.5°C)	47.3°F (8.5°C)	-1.8°F (-1.0°C)	16th Coolest	Coolest since: 1920	1904
	45.5°F (7.5°C)	47.3°F (8.5°C)	-1.8°F (-1.0°C)	112th Warmest	Warmest since: 1939	2012
	Ties: 1984
Oct 1939–Jul 1940 10-Month	46.6°F (8.1°C)	48.0°F (8.9°C)	-1.4°F (-0.8°C)	22nd Coolest	Coolest since: 1936	1904
	46.6°F (8.1°C)	48.0°F (8.9°C)	-1.4°F (-0.8°C)	106th Warmest	Warmest since: 1939	2012
	Ties: 1936
Sep 1939–Jul 1940 11-Month	48.8°F (9.3°C)	49.6°F (9.8°C)	-0.8°F (-0.5°C)	29th Coolest	Coolest since: 1936	1904
	48.8°F (9.3°C)	49.6°F (9.8°C)	-0.8°F (-0.5°C)	99th Warmest	Warmest since: 1939	2012
	Ties: 1910, 1915, 1929, 1969
Aug 1939–Jul 1940 12-Month	50.8°F (10.4°C)	51.6°F (10.9°C)	-0.8°F (-0.5°C)	29th Coolest	Coolest since: 1936	1904
	50.8°F (10.4°C)	51.6°F (10.9°C)	-0.8°F (-0.5°C)	99th Warmest	Warmest since: 1939	2012
	Ties: 2015
Feb 1939–Jul 1940 18-Month	52.3°F (11.3°C)	52.7°F (11.5°C)	-0.4°F (-0.2°C)	45th Coolest	Coolest since: 1936	1918
	52.3°F (11.3°C)	52.7°F (11.5°C)	-0.4°F (-0.2°C)	83rd Warmest	Warmest since: 1939	2012
	Ties: 1930, 1952, 1977
Aug 1938–Jul 1940 24-Month	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	83rd Coolest	Coolest since: 1937	1905
	52.1°F (11.2°C)	51.6°F (10.9°C)	0.5°F (0.3°C)	44th Warmest	Warmest since: 1939	2017
	Ties: 1915, 1950, 1986, 2004
Aug 1937–Jul 1940 36-Month	52.3°F (11.3°C)	51.7°F (10.9°C)	0.6°F (0.4°C)	88th Coolest	Coolest since: 1938	1979
	52.3°F (11.3°C)	51.7°F (10.9°C)	0.6°F (0.4°C)	38th Warmest	Warmest since: 1939	2018
	Ties: 1941, 1942, 2003
Aug 1936–Jul 1940 48-Month	52.2°F (11.2°C)	51.6°F (10.9°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1939	1905, 1980
	52.2°F (11.2°C)	51.6°F (10.9°C)	0.6°F (0.3°C)	40th Warmest	Warmest since: 1935	2019
	Ties: 1987, 1999, 2011
Aug 1935–Jul 1940 60-Month	51.8°F (11.0°C)	51.5°F (10.8°C)	0.3°F (0.2°C)	64th Coolest	Coolest since: 1931	1906
	51.8°F (11.0°C)	51.5°F (10.8°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1939	2020
	Ties: 1959, 1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 5, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings