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 5. East

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	74.3°F (23.5°C)	72.1°F (22.3°C)	2.2°F (1.2°C)	109th Coolest	Coolest since: 1905	1915
August 1906 1-Month	74.3°F (23.5°C)	72.1°F (22.3°C)	2.2°F (1.2°C)	20th Warmest	Warmest since: 1900	1947
Jul–Aug 1906 2-Month	73.2°F (22.9°C)	73.3°F (22.9°C)	-0.1°F (0.0°C)	66th Coolest	Coolest since: 1905	1915
	73.2°F (22.9°C)	73.3°F (22.9°C)	-0.1°F (0.0°C)	63rd Warmest	Warmest since: 1901	1936
	Ties: 1898, 1923
Jun–Aug 1906 3-Month	71.7°F (22.1°C)	72.3°F (22.4°C)	-0.6°F (-0.3°C)	48th Coolest	Coolest since: 1905	1915
Jun–Aug 1906 3-Month	71.7°F (22.1°C)	72.3°F (22.4°C)	-0.6°F (-0.3°C)	81st Warmest	Warmest since: 1901	1936
May–Aug 1906 4-Month	69.3°F (20.7°C)	69.5°F (20.8°C)	-0.2°F (-0.1°C)	53rd Coolest	Coolest since: 1905	1915
	69.3°F (20.7°C)	69.5°F (20.8°C)	-0.2°F (-0.1°C)	76th Warmest	Warmest since: 1901	1934
	Ties: 1926, 1973, 1982, 2017
Apr–Aug 1906 5-Month	65.9°F (18.8°C)	65.5°F (18.6°C)	0.4°F (0.2°C)	70th Coolest	Coolest since: 1905	1907
	65.9°F (18.8°C)	65.5°F (18.6°C)	0.4°F (0.2°C)	59th Warmest	Warmest since: 1900	1991
	Ties: 1919, 1957
Mar–Aug 1906 6-Month	59.6°F (15.3°C)	61.0°F (16.1°C)	-1.4°F (-0.8°C)	22nd Coolest	Coolest since: 1904	1904
	59.6°F (15.3°C)	61.0°F (16.1°C)	-1.4°F (-0.8°C)	107th Warmest	Warmest since: 1905	2012
	Ties: 1984
Feb–Aug 1906 7-Month	54.8°F (12.7°C)	56.2°F (13.4°C)	-1.4°F (-0.7°C)	23rd Coolest	Coolest since: 1905	1904
	54.8°F (12.7°C)	56.2°F (13.4°C)	-1.4°F (-0.7°C)	106th Warmest	Warmest since: 1903	2012
	Ties: 1900, 1901, 1951, 1996
Jan–Aug 1906 8-Month	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	52nd Coolest	Coolest since: 1905	1904, 1912
	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	77th Warmest	Warmest since: 1898	2012
	Ties: 1909, 1910, 1936, 1985
Dec 1905–Aug 1906 9-Month	49.2°F (9.6°C)	49.5°F (9.7°C)	-0.3°F (-0.1°C)	52nd Coolest	Coolest since: 1905	1904
	49.2°F (9.6°C)	49.5°F (9.7°C)	-0.3°F (-0.1°C)	76th Warmest	Warmest since: 1898	2012
	Ties: 1968, 2003
Nov 1905–Aug 1906 10-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	44th Coolest	Coolest since: 1905	1904
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	84th Warmest	Warmest since: 1903	2012
	Ties: 1903, 1923, 1948, 1965, 2003
Oct 1905–Aug 1906 11-Month	48.3°F (9.1°C)	49.0°F (9.4°C)	-0.7°F (-0.3°C)	36th Coolest	Coolest since: 1905	1904
	48.3°F (9.1°C)	49.0°F (9.4°C)	-0.7°F (-0.3°C)	92nd Warmest	Warmest since: 1903	2012
	Ties: 1965, 1967
Sep 1905–Aug 1906 12-Month	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	38th Coolest	Coolest since: 1905	1904
	49.8°F (9.9°C)	50.3°F (10.2°C)	-0.5°F (-0.3°C)	90th Warmest	Warmest since: 1901	2012
	Ties: 1908, 1940
Mar 1905–Aug 1906 18-Month	53.6°F (12.0°C)	53.9°F (12.2°C)	-0.3°F (-0.2°C)	50th Coolest	Coolest since: 1905	1904
	53.6°F (12.0°C)	53.9°F (12.2°C)	-0.3°F (-0.2°C)	78th Warmest	Warmest since: 1901	2012
	Ties: 1901, 1913, 1940, 1980
Sep 1904–Aug 1906 24-Month	49.2°F (9.6°C)	50.3°F (10.2°C)	-1.1°F (-0.6°C)	13th Coolest	Coolest since: 1905	1905
	49.2°F (9.6°C)	50.3°F (10.2°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1901	2017
	Ties: 1900, 1917, 1951, 1963
Sep 1903–Aug 1906 36-Month	48.2°F (9.0°C)	50.3°F (10.2°C)	-2.1°F (-1.2°C)	3rd Coolest	Coolest since: 1905	1904
	48.2°F (9.0°C)	50.3°F (10.2°C)	-2.1°F (-1.2°C)	123rd Warmest	Warmest since: 1903	2018
	Ties: 1979
Sep 1902–Aug 1906 48-Month	48.5°F (9.2°C)	50.3°F (10.2°C)	-1.8°F (-1.0°C)	3rd Coolest	Coolest since: 1905	1905
	48.5°F (9.2°C)	50.3°F (10.2°C)	-1.8°F (-1.0°C)	122nd Warmest	Warmest since: 1904	2019
	Ties: 1904
Sep 1901–Aug 1906 60-Month	48.4°F (9.1°C)	50.3°F (10.2°C)	-1.9°F (-1.1°C)	1st Coolest	Coolest to Date	1906
Sep 1901–Aug 1906 60-Month	48.4°F (9.1°C)	50.3°F (10.2°C)	-1.9°F (-1.1°C)	123rd Warmest	Warmest since: 1905	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 21, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings