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 1906

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1906 1-Month	76.9°F (24.9°C)	76.0°F (24.4°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1905	1915
August 1906 1-Month	76.9°F (24.9°C)	76.0°F (24.4°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1900	1936
Jul–Aug 1906 2-Month	76.0°F (24.4°C)	77.0°F (25.0°C)	-1.0°F (-0.6°C)	33rd Coolest	Coolest since: 1905	1967
	76.0°F (24.4°C)	77.0°F (25.0°C)	-1.0°F (-0.6°C)	96th Warmest	Warmest since: 1903	1936
	Ties: 1929, 1970, 1979, 1984
Jun–Aug 1906 3-Month	74.7°F (23.7°C)	76.0°F (24.4°C)	-1.3°F (-0.7°C)	27th Coolest	Coolest since: 1904	1915, 1927
	74.7°F (23.7°C)	76.0°F (24.4°C)	-1.3°F (-0.7°C)	102nd Warmest	Warmest since: 1905	1936
	Ties: 1958
May–Aug 1906 4-Month	72.5°F (22.5°C)	73.2°F (22.9°C)	-0.7°F (-0.4°C)	40th Coolest	Coolest since: 1904	1967
	72.5°F (22.5°C)	73.2°F (22.9°C)	-0.7°F (-0.4°C)	89th Warmest	Warmest since: 1905	1936
	Ties: 1963, 2008
Apr–Aug 1906 5-Month	69.7°F (20.9°C)	69.7°F (20.9°C)	0.0°F (0.0°C)	58th Coolest	Coolest since: 1905	1907
	69.7°F (20.9°C)	69.7°F (20.9°C)	0.0°F (0.0°C)	71st Warmest	Warmest since: 1902	2010
	Ties: 1916, 1919, 1963, 1975
Mar–Aug 1906 6-Month	63.8°F (17.7°C)	65.5°F (18.6°C)	-1.7°F (-0.9°C)	11th Coolest	Coolest since: 1904	1904
	63.8°F (17.7°C)	65.5°F (18.6°C)	-1.7°F (-0.9°C)	118th Warmest	Warmest since: 1905	2012
	Ties: 1907, 1958, 1984
Feb–Aug 1906 7-Month	59.2°F (15.1°C)	61.1°F (16.2°C)	-1.9°F (-1.1°C)	12th Coolest	Coolest since: 1904	1904
	59.2°F (15.1°C)	61.1°F (16.2°C)	-1.9°F (-1.1°C)	117th Warmest	Warmest since: 1905	2012
	Ties: 1895
Jan–Aug 1906 8-Month	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	28th Coolest	Coolest since: 1905	1912
Jan–Aug 1906 8-Month	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	101st Warmest	Warmest since: 1903	2012
Dec 1905–Aug 1906 9-Month	53.8°F (12.1°C)	54.8°F (12.7°C)	-1.0°F (-0.6°C)	25th Coolest	Coolest since: 1905	1904
	53.8°F (12.1°C)	54.8°F (12.7°C)	-1.0°F (-0.6°C)	103rd Warmest	Warmest since: 1903	2012
	Ties: 1929, 1969
Nov 1905–Aug 1906 10-Month	53.0°F (11.7°C)	53.8°F (12.1°C)	-0.8°F (-0.4°C)	31st Coolest	Coolest since: 1905	1904
	53.0°F (11.7°C)	53.8°F (12.1°C)	-0.8°F (-0.4°C)	97th Warmest	Warmest since: 1903	2012
	Ties: 1928
Oct 1905–Aug 1906 11-Month	53.2°F (11.8°C)	54.2°F (12.3°C)	-1.0°F (-0.5°C)	27th Coolest	Coolest since: 1905	1904
	53.2°F (11.8°C)	54.2°F (12.3°C)	-1.0°F (-0.5°C)	101st Warmest	Warmest since: 1903	2012
	Ties: 1927, 1963, 1969, 1971
Sep 1905–Aug 1906 12-Month	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	30th Coolest	Coolest since: 1905	1904
	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	98th Warmest	Warmest since: 1903	2012
	Ties: 1910
Mar 1905–Aug 1906 18-Month	58.4°F (14.7°C)	58.7°F (14.8°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1905	1904
	58.4°F (14.7°C)	58.7°F (14.8°C)	-0.3°F (-0.1°C)	84th Warmest	Warmest since: 1903	2012
	Ties: 1950, 1959, 1973, 1975, 2009
Sep 1904–Aug 1906 24-Month	54.3°F (12.4°C)	55.4°F (13.0°C)	-1.1°F (-0.6°C)	11th Coolest	Coolest since: 1905	1979
	54.3°F (12.4°C)	55.4°F (13.0°C)	-1.1°F (-0.6°C)	116th Warmest	Warmest since: 1903	2017
	Ties: 1971
Sep 1903–Aug 1906 36-Month	53.6°F (12.0°C)	55.3°F (12.9°C)	-1.7°F (-0.9°C)	2nd Coolest	Coolest since: 1906	1979
Sep 1903–Aug 1906 36-Month	53.6°F (12.0°C)	55.3°F (12.9°C)	-1.7°F (-0.9°C)	124th Warmest	Warmest since: 1905	2018
Sep 1902–Aug 1906 48-Month	54.0°F (12.2°C)	55.3°F (12.9°C)	-1.3°F (-0.7°C)	4th Coolest	Coolest since: 1905	1980
	54.0°F (12.2°C)	55.3°F (12.9°C)	-1.3°F (-0.7°C)	121st Warmest	Warmest since: 1904	2019
	Ties: 1907
Sep 1901–Aug 1906 60-Month	54.0°F (12.2°C)	55.4°F (13.0°C)	-1.4°F (-0.8°C)	1st Coolest	Coolest since: 1906	1906
Sep 1901–Aug 1906 60-Month	54.0°F (12.2°C)	55.4°F (13.0°C)	-1.4°F (-0.8°C)	123rd Warmest	Warmest since: 1905	2020

Citing This Page

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