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 1903

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1903 1-Month	69.8°F (21.0°C)	72.1°F (22.3°C)	-2.3°F (-1.3°C)	20th Coolest	Coolest since: 1902	1915
	69.8°F (21.0°C)	72.1°F (22.3°C)	-2.3°F (-1.3°C)	109th Warmest	Warmest since: 1901	1947
	Ties: 1907, 1912, 1917, 1965, 2009
Jul–Aug 1903 2-Month	71.8°F (22.1°C)	73.3°F (22.9°C)	-1.5°F (-0.8°C)	28th Coolest	Coolest since: 1902	1915
Jul–Aug 1903 2-Month	71.8°F (22.1°C)	73.3°F (22.9°C)	-1.5°F (-0.8°C)	101st Warmest	Warmest since: 1901	1936
Jun–Aug 1903 3-Month	69.2°F (20.7°C)	72.3°F (22.4°C)	-3.1°F (-1.7°C)	4th Coolest	Coolest to Date	1915
	69.2°F (20.7°C)	72.3°F (22.4°C)	-3.1°F (-1.7°C)	125th Warmest	Warmest since: 1902	1936
	Ties: 1904
May–Aug 1903 4-Month	67.7°F (19.8°C)	69.5°F (20.8°C)	-1.8°F (-1.0°C)	13th Coolest	Coolest since: 1897	1915
	67.7°F (19.8°C)	69.5°F (20.8°C)	-1.8°F (-1.0°C)	116th Warmest	Warmest since: 1902	1934
	Ties: 1897, 1946, 1958, 1961
Apr–Aug 1903 5-Month	64.2°F (17.9°C)	65.5°F (18.6°C)	-1.3°F (-0.7°C)	22nd Coolest	Coolest since: 1902	1907
Apr–Aug 1903 5-Month	64.2°F (17.9°C)	65.5°F (18.6°C)	-1.3°F (-0.7°C)	107th Warmest	Warmest since: 1901	1991
Mar–Aug 1903 6-Month	60.6°F (15.9°C)	61.0°F (16.1°C)	-0.4°F (-0.2°C)	43rd Coolest	Coolest since: 1902	1904
	60.6°F (15.9°C)	61.0°F (16.1°C)	-0.4°F (-0.2°C)	86th Warmest	Warmest since: 1901	2012
	Ties: 1916, 1975
Feb–Aug 1903 7-Month	55.4°F (13.0°C)	56.2°F (13.4°C)	-0.8°F (-0.4°C)	36th Coolest	Coolest since: 1902	1904
	55.4°F (13.0°C)	56.2°F (13.4°C)	-0.8°F (-0.4°C)	93rd Warmest	Warmest since: 1898	2012
	Ties: 1909, 1916, 1929
Jan–Aug 1903 8-Month	51.4°F (10.8°C)	52.2°F (11.2°C)	-0.8°F (-0.4°C)	38th Coolest	Coolest since: 1902	1904, 1912
	51.4°F (10.8°C)	52.2°F (11.2°C)	-0.8°F (-0.4°C)	91st Warmest	Warmest since: 1900	2012
	Ties: 1923, 1965, 1969, 1984
Dec 1902–Aug 1903 9-Month	48.4°F (9.1°C)	49.5°F (9.7°C)	-1.1°F (-0.6°C)	24th Coolest	Coolest since: 1902	1904
	48.4°F (9.1°C)	49.5°F (9.7°C)	-1.1°F (-0.6°C)	104th Warmest	Warmest since: 1901	2012
	Ties: 1962, 1970
Nov 1902–Aug 1903 10-Month	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	44th Coolest	Coolest since: 1902	1904
	48.1°F (8.9°C)	48.5°F (9.2°C)	-0.4°F (-0.3°C)	84th Warmest	Warmest since: 1898	2012
	Ties: 1906, 1923, 1948, 1965, 2003
Oct 1902–Aug 1903 11-Month	48.7°F (9.3°C)	49.0°F (9.4°C)	-0.3°F (-0.1°C)	46th Coolest	Coolest since: 1902	1904
	48.7°F (9.3°C)	49.0°F (9.4°C)	-0.3°F (-0.1°C)	82nd Warmest	Warmest since: 1901	2012
	Ties: 1901, 1937
Sep 1902–Aug 1903 12-Month	49.7°F (9.8°C)	50.3°F (10.2°C)	-0.6°F (-0.4°C)	35th Coolest	Coolest since: 1902	1904
	49.7°F (9.8°C)	50.3°F (10.2°C)	-0.6°F (-0.4°C)	93rd Warmest	Warmest since: 1901	2012
	Ties: 1965, 1969
Mar 1902–Aug 1903 18-Month	53.1°F (11.7°C)	53.9°F (12.2°C)	-0.8°F (-0.5°C)	28th Coolest	Coolest since: 1902	1904
	53.1°F (11.7°C)	53.9°F (12.2°C)	-0.8°F (-0.5°C)	100th Warmest	Warmest since: 1901	2012
	Ties: 1925, 1936, 1958, 1962, 1978, 1994
Sep 1901–Aug 1903 24-Month	48.8°F (9.3°C)	50.3°F (10.2°C)	-1.5°F (-0.9°C)	6th Coolest	Coolest to Date	1905
	48.8°F (9.3°C)	50.3°F (10.2°C)	-1.5°F (-0.9°C)	121st Warmest	Warmest since: 1902	2017
	Ties: 2015
Sep 1900–Aug 1903 36-Month	49.3°F (9.6°C)	50.3°F (10.2°C)	-1.0°F (-0.6°C)	13th Coolest	Coolest to Date	1904
Sep 1900–Aug 1903 36-Month	49.3°F (9.6°C)	50.3°F (10.2°C)	-1.0°F (-0.6°C)	113th Warmest	Warmest since: 1902	2018
Sep 1899–Aug 1903 48-Month	49.5°F (9.7°C)	50.3°F (10.2°C)	-0.8°F (-0.5°C)	19th Coolest	Coolest since: 1902	1905
	49.5°F (9.7°C)	50.3°F (10.2°C)	-0.8°F (-0.5°C)	106th Warmest	Warmest since: 1901	2019
	Ties: 1913, 1929, 1971
Sep 1898–Aug 1903 60-Month	49.3°F (9.6°C)	50.3°F (10.2°C)	-1.0°F (-0.6°C)	11th Coolest	Coolest to Date	1906
	49.3°F (9.6°C)	50.3°F (10.2°C)	-1.0°F (-0.6°C)	113th Warmest	Warmest since: 1902	2020
	Ties: 1918, 1919

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published June 2023, retrieved on June 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings