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 8. Southwest

Average Temperature Rankings, August 1904

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1904 1-Month	72.6°F (22.6°C)	76.0°F (24.4°C)	-3.4°F (-1.8°C)	8th Coolest	Coolest since: 1904	1915
	72.6°F (22.6°C)	76.0°F (24.4°C)	-3.4°F (-1.8°C)	121st Warmest	Warmest since: 1903	1936
	Ties: 1976, 1986
Jul–Aug 1904 2-Month	73.5°F (23.1°C)	77.0°F (25.0°C)	-3.5°F (-1.9°C)	5th Coolest	Coolest since: 1904	1967
Jul–Aug 1904 2-Month	73.5°F (23.1°C)	77.0°F (25.0°C)	-3.5°F (-1.9°C)	124th Warmest	Warmest since: 1903	1936
Jun–Aug 1904 3-Month	72.7°F (22.6°C)	75.9°F (24.4°C)	-3.2°F (-1.8°C)	4th Coolest	Coolest since: 1904	1915, 1927
	72.7°F (22.6°C)	75.9°F (24.4°C)	-3.2°F (-1.8°C)	125th Warmest	Warmest since: 1903	1936
	Ties: 1950
May–Aug 1904 4-Month	70.5°F (21.4°C)	73.2°F (22.9°C)	-2.7°F (-1.5°C)	7th Coolest	Coolest since: 1904	1967
	70.5°F (21.4°C)	73.2°F (22.9°C)	-2.7°F (-1.5°C)	122nd Warmest	Warmest since: 1903	1936
	Ties: 1976
Apr–Aug 1904 5-Month	66.2°F (19.0°C)	69.6°F (20.9°C)	-3.4°F (-1.9°C)	2nd Coolest	Coolest since: 1904	1907
Apr–Aug 1904 5-Month	66.2°F (19.0°C)	69.6°F (20.9°C)	-3.4°F (-1.9°C)	127th Warmest	Warmest since: 1903	2010
Mar–Aug 1904 6-Month	62.6°F (17.0°C)	65.4°F (18.6°C)	-2.8°F (-1.6°C)	1st Coolest	Coolest since: 1904	1904
Mar–Aug 1904 6-Month	62.6°F (17.0°C)	65.4°F (18.6°C)	-2.8°F (-1.6°C)	128th Warmest	Warmest since: 1903	2012
Feb–Aug 1904 7-Month	58.0°F (14.4°C)	61.1°F (16.2°C)	-3.1°F (-1.8°C)	1st Coolest	Coolest since: 1904	1904
Feb–Aug 1904 7-Month	58.0°F (14.4°C)	61.1°F (16.2°C)	-3.1°F (-1.8°C)	128th Warmest	Warmest since: 1903	2012
Jan–Aug 1904 8-Month	54.1°F (12.3°C)	57.4°F (14.1°C)	-3.3°F (-1.8°C)	4th Coolest	Coolest since: 1904	1912
Jan–Aug 1904 8-Month	54.1°F (12.3°C)	57.4°F (14.1°C)	-3.3°F (-1.8°C)	125th Warmest	Warmest since: 1903	2012
Dec 1903–Aug 1904 9-Month	51.3°F (10.7°C)	54.8°F (12.7°C)	-3.5°F (-2.0°C)	1st Coolest	Coolest since: 1904	1904
Dec 1903–Aug 1904 9-Month	51.3°F (10.7°C)	54.8°F (12.7°C)	-3.5°F (-2.0°C)	127th Warmest	Warmest since: 1903	2012
Nov 1903–Aug 1904 10-Month	50.2°F (10.1°C)	53.8°F (12.1°C)	-3.6°F (-2.0°C)	1st Coolest	Coolest since: 1904	1904
Nov 1903–Aug 1904 10-Month	50.2°F (10.1°C)	53.8°F (12.1°C)	-3.6°F (-2.0°C)	127th Warmest	Warmest since: 1903	2012
Oct 1903–Aug 1904 11-Month	50.9°F (10.5°C)	54.2°F (12.3°C)	-3.3°F (-1.8°C)	1st Coolest	Coolest since: 1904	1904
Oct 1903–Aug 1904 11-Month	50.9°F (10.5°C)	54.2°F (12.3°C)	-3.3°F (-1.8°C)	127th Warmest	Warmest since: 1903	2012
Sep 1903–Aug 1904 12-Month	52.3°F (11.3°C)	55.4°F (13.0°C)	-3.1°F (-1.7°C)	1st Coolest	Coolest since: 1904	1904
Sep 1903–Aug 1904 12-Month	52.3°F (11.3°C)	55.4°F (13.0°C)	-3.1°F (-1.7°C)	127th Warmest	Warmest since: 1903	2012
Mar 1903–Aug 1904 18-Month	56.6°F (13.7°C)	58.7°F (14.8°C)	-2.1°F (-1.1°C)	1st Coolest	Coolest since: 1904	1904
Mar 1903–Aug 1904 18-Month	56.6°F (13.7°C)	58.7°F (14.8°C)	-2.1°F (-1.1°C)	127th Warmest	Warmest since: 1903	2012
Sep 1902–Aug 1904 24-Month	53.7°F (12.1°C)	55.4°F (13.0°C)	-1.7°F (-0.9°C)	4th Coolest	Coolest since: 1904	1979
	53.7°F (12.1°C)	55.4°F (13.0°C)	-1.7°F (-0.9°C)	123rd Warmest	Warmest since: 1903	2017
	Ties: 1918
Sep 1901–Aug 1904 36-Month	53.8°F (12.1°C)	55.4°F (13.0°C)	-1.6°F (-0.9°C)	4th Coolest	Coolest since: 1904	1979
	53.8°F (12.1°C)	55.4°F (13.0°C)	-1.6°F (-0.9°C)	122nd Warmest	Warmest since: 1903	2018
	Ties: 1905
Sep 1900–Aug 1904 48-Month	54.4°F (12.4°C)	55.3°F (12.9°C)	-0.9°F (-0.5°C)	11th Coolest	Coolest since: 1904	1980
	54.4°F (12.4°C)	55.3°F (12.9°C)	-0.9°F (-0.5°C)	114th Warmest	Warmest since: 1903	2019
	Ties: 1920, 1961, 1963, 1982
Sep 1899–Aug 1904 60-Month	54.6°F (12.6°C)	55.3°F (12.9°C)	-0.7°F (-0.3°C)	11th Coolest	Coolest since: 1904	1906
	54.6°F (12.6°C)	55.3°F (12.9°C)	-0.7°F (-0.3°C)	113th Warmest	Warmest since: 1903	2020
	Ties: 1962

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings