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 1919

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1919 1-Month	75.5°F (24.2°C)	76.0°F (24.4°C)	-0.5°F (-0.2°C)	48th Coolest	Coolest since: 1917	1915
	75.5°F (24.2°C)	76.0°F (24.4°C)	-0.5°F (-0.2°C)	81st Warmest	Warmest since: 1918	1936
	Ties: 1951, 1962
Jul–Aug 1919 2-Month	77.4°F (25.2°C)	76.9°F (24.9°C)	0.5°F (0.3°C)	82nd Coolest	Coolest since: 1917	1967
	77.4°F (25.2°C)	76.9°F (24.9°C)	0.5°F (0.3°C)	47th Warmest	Warmest since: 1918	1936
	Ties: 1923, 1933, 1998, 2018
Jun–Aug 1919 3-Month	76.9°F (24.9°C)	76.0°F (24.4°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1917	1915, 1927
	76.9°F (24.9°C)	76.0°F (24.4°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1918	1936
	Ties: 1925, 1938
May–Aug 1919 4-Month	73.1°F (22.8°C)	73.2°F (22.9°C)	-0.1°F (-0.1°C)	57th Coolest	Coolest since: 1917	1967
	73.1°F (22.8°C)	73.2°F (22.9°C)	-0.1°F (-0.1°C)	72nd Warmest	Warmest since: 1918	1936
	Ties: 1908, 1947
Apr–Aug 1919 5-Month	69.7°F (20.9°C)	69.6°F (20.9°C)	0.1°F (0.0°C)	58th Coolest	Coolest since: 1917	1907
	69.7°F (20.9°C)	69.6°F (20.9°C)	0.1°F (0.0°C)	71st Warmest	Warmest since: 1918	2010
	Ties: 1906, 1916, 1963, 1975
Mar–Aug 1919 6-Month	65.8°F (18.8°C)	65.5°F (18.6°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1917	1904
	65.8°F (18.8°C)	65.5°F (18.6°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1918	2012
	Ties: 1932, 1957, 1981, 2019
Feb–Aug 1919 7-Month	61.5°F (16.4°C)	61.1°F (16.2°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1917	1904
	61.5°F (16.4°C)	61.1°F (16.2°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1918	2012
	Ties: 1949, 1973, 2004
Jan–Aug 1919 8-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1918	1912
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1914	2012
	Ties: 1939, 1941, 2001, 2018
Dec 1918–Aug 1919 9-Month	56.4°F (13.6°C)	54.8°F (12.7°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1918	1904
	56.4°F (13.6°C)	54.8°F (12.7°C)	1.6°F (0.9°C)	22nd Warmest	Warmest to Date	2012
	Ties: 1933
Nov 1918–Aug 1919 10-Month	55.2°F (12.9°C)	53.8°F (12.1°C)	1.4°F (0.8°C)	105th Coolest	Coolest since: 1918	1904
Nov 1918–Aug 1919 10-Month	55.2°F (12.9°C)	53.8°F (12.1°C)	1.4°F (0.8°C)	23rd Warmest	Warmest since: 1914	2012
Oct 1918–Aug 1919 11-Month	55.6°F (13.1°C)	54.1°F (12.3°C)	1.5°F (0.8°C)	107th Coolest	Coolest since: 1918	1904
	55.6°F (13.1°C)	54.1°F (12.3°C)	1.5°F (0.8°C)	21st Warmest	Warmest to Date	2012
	Ties: 1941
Sep 1918–Aug 1919 12-Month	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1918	1904
	56.1°F (13.4°C)	55.4°F (13.0°C)	0.7°F (0.4°C)	39th Warmest	Warmest since: 1914	2012
	Ties: 1909, 1911, 1946, 1964, 1983, 1992, 2004, 2021
Mar 1918–Aug 1919 18-Month	59.8°F (15.4°C)	58.7°F (14.8°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 1918	1904
	59.8°F (15.4°C)	58.7°F (14.8°C)	1.1°F (0.6°C)	30th Warmest	Warmest since: 1914	2012
	Ties: 1921, 1988
Sep 1917–Aug 1919 24-Month	54.8°F (12.7°C)	55.4°F (13.0°C)	-0.6°F (-0.3°C)	28th Coolest	Coolest since: 1918	1979
	54.8°F (12.7°C)	55.4°F (13.0°C)	-0.6°F (-0.3°C)	99th Warmest	Warmest since: 1917	2017
	Ties: 1899, 1907, 1962, 1977
Sep 1916–Aug 1919 36-Month	54.5°F (12.5°C)	55.3°F (12.9°C)	-0.8°F (-0.4°C)	12th Coolest	Coolest since: 1918	1979
	54.5°F (12.5°C)	55.3°F (12.9°C)	-0.8°F (-0.4°C)	114th Warmest	Warmest since: 1917	2018
	Ties: 1907, 1912, 1920, 1962
Sep 1915–Aug 1919 48-Month	54.9°F (12.7°C)	55.4°F (13.0°C)	-0.5°F (-0.3°C)	24th Coolest	Coolest since: 1918	1980
	54.9°F (12.7°C)	55.4°F (13.0°C)	-0.5°F (-0.3°C)	101st Warmest	Warmest since: 1917	2019
	Ties: 1900, 1912, 1913, 1915, 1927, 1960, 1972, 1984
Sep 1914–Aug 1919 60-Month	54.7°F (12.6°C)	55.4°F (13.0°C)	-0.7°F (-0.4°C)	13th Coolest	Coolest since: 1908	1906
	54.7°F (12.6°C)	55.4°F (13.0°C)	-0.7°F (-0.4°C)	111th Warmest	Warmest since: 1918	2020
	Ties: 1920, 1963, 1969, 1972, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings