Statewide 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

Average Temperature Rankings, August 1902

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1902 1-Month	70.7°F (21.5°C)	73.4°F (23.0°C)	-2.7°F (-1.5°C)	14th Coolest	Coolest to Date	1915
August 1902 1-Month	70.7°F (21.5°C)	73.4°F (23.0°C)	-2.7°F (-1.5°C)	115th Warmest	Warmest since: 1901	1947
Jul–Aug 1902 2-Month	73.0°F (22.8°C)	74.5°F (23.6°C)	-1.5°F (-0.8°C)	20th Coolest	Coolest to Date	1915
	73.0°F (22.8°C)	74.5°F (23.6°C)	-1.5°F (-0.8°C)	109th Warmest	Warmest since: 1901	1936
	Ties: 1951, 2013
Jun–Aug 1902 3-Month	71.5°F (21.9°C)	73.5°F (23.1°C)	-2.0°F (-1.2°C)	16th Coolest	Coolest to Date	1915
Jun–Aug 1902 3-Month	71.5°F (21.9°C)	73.5°F (23.1°C)	-2.0°F (-1.2°C)	113th Warmest	Warmest since: 1901	1936
May–Aug 1902 4-Month	70.2°F (21.2°C)	70.6°F (21.4°C)	-0.4°F (-0.2°C)	48th Coolest	Coolest since: 1897	1915
	70.2°F (21.2°C)	70.6°F (21.4°C)	-0.4°F (-0.2°C)	81st Warmest	Warmest since: 1901	1936
	Ties: 1978, 1982, 2014
Apr–Aug 1902 5-Month	66.0°F (18.9°C)	66.8°F (19.3°C)	-0.8°F (-0.4°C)	32nd Coolest	Coolest since: 1897	1907
	66.0°F (18.9°C)	66.8°F (19.3°C)	-0.8°F (-0.4°C)	97th Warmest	Warmest since: 1901	1934
	Ties: 1971, 1972, 2008
Mar–Aug 1902 6-Month	62.0°F (16.7°C)	62.3°F (16.8°C)	-0.3°F (-0.1°C)	43rd Coolest	Coolest since: 1899	1950, 1960
	62.0°F (16.7°C)	62.3°F (16.8°C)	-0.3°F (-0.1°C)	86th Warmest	Warmest since: 1901	2012
	Ties: 1932, 1937, 2009
Feb–Aug 1902 7-Month	55.8°F (13.2°C)	57.6°F (14.2°C)	-1.8°F (-1.0°C)	14th Coolest	Coolest since: 1899	1904
Feb–Aug 1902 7-Month	55.8°F (13.2°C)	57.6°F (14.2°C)	-1.8°F (-1.0°C)	115th Warmest	Warmest since: 1901	2012
Jan–Aug 1902 8-Month	52.1°F (11.2°C)	53.6°F (12.0°C)	-1.5°F (-0.8°C)	19th Coolest	Coolest since: 1899	1912
	52.1°F (11.2°C)	53.6°F (12.0°C)	-1.5°F (-0.8°C)	110th Warmest	Warmest since: 1901	2012
	Ties: 1996
Dec 1901–Aug 1902 9-Month	49.0°F (9.4°C)	50.9°F (10.5°C)	-1.9°F (-1.1°C)	13th Coolest	Coolest since: 1899	1904
	49.0°F (9.4°C)	50.9°F (10.5°C)	-1.9°F (-1.1°C)	115th Warmest	Warmest since: 1901	2012
	Ties: 1905
Nov 1901–Aug 1902 10-Month	47.8°F (8.8°C)	49.9°F (9.9°C)	-2.1°F (-1.1°C)	10th Coolest	Coolest since: 1899	1904
Nov 1901–Aug 1902 10-Month	47.8°F (8.8°C)	49.9°F (9.9°C)	-2.1°F (-1.1°C)	118th Warmest	Warmest since: 1901	2012
Oct 1901–Aug 1902 11-Month	48.5°F (9.2°C)	50.3°F (10.2°C)	-1.8°F (-1.0°C)	12th Coolest	Coolest since: 1899	1904
	48.5°F (9.2°C)	50.3°F (10.2°C)	-1.8°F (-1.0°C)	116th Warmest	Warmest since: 1901	2012
	Ties: 1951, 1960
Sep 1901–Aug 1902 12-Month	49.9°F (9.9°C)	51.6°F (10.9°C)	-1.7°F (-1.0°C)	10th Coolest	Coolest since: 1899	1904
	49.9°F (9.9°C)	51.6°F (10.9°C)	-1.7°F (-1.0°C)	118th Warmest	Warmest since: 1901	2012
	Ties: 1920, 1951
Mar 1901–Aug 1902 18-Month	54.2°F (12.3°C)	55.2°F (12.9°C)	-1.0°F (-0.6°C)	17th Coolest	Coolest since: 1899	1904
	54.2°F (12.3°C)	55.2°F (12.9°C)	-1.0°F (-0.6°C)	111th Warmest	Warmest since: 1901	2012
	Ties: 1920, 1968, 1977, 1994, 2015
Sep 1900–Aug 1902 24-Month	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	27th Coolest	Coolest since: 1900	1905
	51.0°F (10.6°C)	51.6°F (10.9°C)	-0.6°F (-0.3°C)	100th Warmest	Warmest since: 1901	2017
	Ties: 1959, 1960
Sep 1899–Aug 1902 36-Month	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	38th Coolest	Coolest since: 1901	1979
	51.3°F (10.7°C)	51.6°F (10.9°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1900	2018
	Ties: 1900, 1951, 1965, 1972, 1977, 1994
Sep 1898–Aug 1902 48-Month	50.9°F (10.5°C)	51.6°F (10.9°C)	-0.7°F (-0.4°C)	17th Coolest	Coolest to Date	1905
	50.9°F (10.5°C)	51.6°F (10.9°C)	-0.7°F (-0.4°C)	108th Warmest	Warmest since: 1901	2019
	Ties: 1919, 1929
Sep 1897–Aug 1902 60-Month	51.2°F (10.7°C)	51.6°F (10.9°C)	-0.4°F (-0.2°C)	28th Coolest	Coolest to Date	1906
	51.2°F (10.7°C)	51.6°F (10.9°C)	-0.4°F (-0.2°C)	96th Warmest	Warmest since: 1901	2020
	Ties: 1909, 1960, 1961, 1983

Citing This Page

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