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 1979

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1979 1-Month	72.6°F (22.6°C)	73.4°F (23.0°C)	-0.8°F (-0.4°C)	42nd Coolest	Coolest since: 1977	1915
	72.6°F (22.6°C)	73.4°F (23.0°C)	-0.8°F (-0.4°C)	87th Warmest	Warmest since: 1978	1947
	Ties: 1919, 1933, 1952
Jul–Aug 1979 2-Month	73.1°F (22.8°C)	74.4°F (23.6°C)	-1.3°F (-0.8°C)	27th Coolest	Coolest since: 1976	1915
	73.1°F (22.8°C)	74.4°F (23.6°C)	-1.3°F (-0.8°C)	102nd Warmest	Warmest since: 1978	1936
	Ties: 1962
Jun–Aug 1979 3-Month	72.7°F (22.6°C)	73.4°F (23.0°C)	-0.7°F (-0.4°C)	38th Coolest	Coolest since: 1976	1915
	72.7°F (22.6°C)	73.4°F (23.0°C)	-0.7°F (-0.4°C)	91st Warmest	Warmest since: 1978	1936
	Ties: 1926, 1962, 1994, 2000, 2003
May–Aug 1979 4-Month	69.9°F (21.1°C)	70.6°F (21.4°C)	-0.7°F (-0.3°C)	39th Coolest	Coolest since: 1976	1915
	69.9°F (21.1°C)	70.6°F (21.4°C)	-0.7°F (-0.3°C)	90th Warmest	Warmest since: 1978	1934, 1936
	Ties: 1963, 1972
Apr–Aug 1979 5-Month	65.7°F (18.7°C)	66.8°F (19.3°C)	-1.1°F (-0.6°C)	24th Coolest	Coolest since: 1967	1907
	65.7°F (18.7°C)	66.8°F (19.3°C)	-1.1°F (-0.6°C)	105th Warmest	Warmest since: 1978	1934
	Ties: 1903, 1929, 1958, 1990
Mar–Aug 1979 6-Month	61.4°F (16.3°C)	62.3°F (16.8°C)	-0.9°F (-0.5°C)	34th Coolest	Coolest since: 1978	1904, 1950, 1960
Mar–Aug 1979 6-Month	61.4°F (16.3°C)	62.3°F (16.8°C)	-0.9°F (-0.5°C)	95th Warmest	Warmest since: 1977	2012
Feb–Aug 1979 7-Month	55.1°F (12.8°C)	57.6°F (14.2°C)	-2.5°F (-1.4°C)	7th Coolest	Coolest since: 1978	1904
	55.1°F (12.8°C)	57.6°F (14.2°C)	-2.5°F (-1.4°C)	122nd Warmest	Warmest since: 1977	2012
	Ties: 1950
Jan–Aug 1979 8-Month	49.8°F (9.9°C)	53.6°F (12.0°C)	-3.8°F (-2.1°C)	3rd Coolest	Coolest since: 1912	1904, 1912
Jan–Aug 1979 8-Month	49.8°F (9.9°C)	53.6°F (12.0°C)	-3.8°F (-2.1°C)	126th Warmest	Warmest since: 1978	2012
Dec 1978–Aug 1979 9-Month	47.5°F (8.6°C)	50.9°F (10.5°C)	-3.4°F (-1.9°C)	3rd Coolest	Coolest since: 1978	1904
Dec 1978–Aug 1979 9-Month	47.5°F (8.6°C)	50.9°F (10.5°C)	-3.4°F (-1.9°C)	125th Warmest	Warmest since: 1977	2012
Nov 1978–Aug 1979 10-Month	47.1°F (8.4°C)	49.9°F (9.9°C)	-2.8°F (-1.5°C)	4th Coolest	Coolest since: 1978	1904
	47.1°F (8.4°C)	49.9°F (9.9°C)	-2.8°F (-1.5°C)	124th Warmest	Warmest since: 1977	2012
	Ties: 2014
Oct 1978–Aug 1979 11-Month	47.6°F (8.7°C)	50.4°F (10.2°C)	-2.8°F (-1.5°C)	4th Coolest	Coolest since: 1978	1904
Oct 1978–Aug 1979 11-Month	47.6°F (8.7°C)	50.4°F (10.2°C)	-2.8°F (-1.5°C)	124th Warmest	Warmest since: 1977	2012
Sep 1978–Aug 1979 12-Month	49.4°F (9.7°C)	51.6°F (10.9°C)	-2.2°F (-1.2°C)	4th Coolest	Coolest since: 1978	1904
	49.4°F (9.7°C)	51.6°F (10.9°C)	-2.2°F (-1.2°C)	124th Warmest	Warmest since: 1977	2012
	Ties: 1918
Mar 1978–Aug 1979 18-Month	53.4°F (11.9°C)	55.2°F (12.9°C)	-1.8°F (-1.0°C)	6th Coolest	Coolest since: 1951	1904
Mar 1978–Aug 1979 18-Month	53.4°F (11.9°C)	55.2°F (12.9°C)	-1.8°F (-1.0°C)	122nd Warmest	Warmest since: 1978	2012
Sep 1977–Aug 1979 24-Month	49.2°F (9.6°C)	51.6°F (10.9°C)	-2.4°F (-1.3°C)	2nd Coolest	Coolest since: 1905	1905
Sep 1977–Aug 1979 24-Month	49.2°F (9.6°C)	51.6°F (10.9°C)	-2.4°F (-1.3°C)	125th Warmest	Warmest since: 1978	2017
Sep 1976–Aug 1979 36-Month	49.4°F (9.7°C)	51.6°F (10.9°C)	-2.2°F (-1.2°C)	1st Coolest	Coolest since: 1979	1979
Sep 1976–Aug 1979 36-Month	49.4°F (9.7°C)	51.6°F (10.9°C)	-2.2°F (-1.2°C)	125th Warmest	Warmest since: 1978	2018
Sep 1975–Aug 1979 48-Month	50.2°F (10.1°C)	51.5°F (10.8°C)	-1.3°F (-0.7°C)	5th Coolest	Coolest since: 1907	1905
Sep 1975–Aug 1979 48-Month	50.2°F (10.1°C)	51.5°F (10.8°C)	-1.3°F (-0.7°C)	120th Warmest	Warmest since: 1978	2019
Sep 1974–Aug 1979 60-Month	50.5°F (10.3°C)	51.6°F (10.9°C)	-1.1°F (-0.6°C)	7th Coolest	Coolest since: 1908	1906
	50.5°F (10.3°C)	51.6°F (10.9°C)	-1.1°F (-0.6°C)	117th Warmest	Warmest since: 1978	2020
	Ties: 1980

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings