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, July 1997

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1997 1-Month	77.9°F (25.5°C)	77.9°F (25.5°C)	0.0°F (0.0°C)	65th Coolest	Coolest since: 1996	2014
	77.9°F (25.5°C)	77.9°F (25.5°C)	0.0°F (0.0°C)	64th Warmest	Warmest since: 1993	2012
	Ties: 1981
Jun–Jul 1997 2-Month	75.0°F (23.9°C)	75.9°F (24.4°C)	-0.9°F (-0.5°C)	40th Coolest	Coolest since: 1996	1904, 1927
	75.0°F (23.9°C)	75.9°F (24.4°C)	-0.9°F (-0.5°C)	89th Warmest	Warmest since: 1995	1934
	Ties: 1965
May–Jul 1997 3-Month	70.3°F (21.3°C)	72.3°F (22.4°C)	-2.0°F (-1.1°C)	13th Coolest	Coolest since: 1976	1924
	70.3°F (21.3°C)	72.3°F (22.4°C)	-2.0°F (-1.1°C)	116th Warmest	Warmest since: 1996	1934
	Ties: 1928, 1935, 1960
Apr–Jul 1997 4-Month	65.4°F (18.6°C)	68.1°F (20.1°C)	-2.7°F (-1.5°C)	5th Coolest	Coolest since: 1961	1907
Apr–Jul 1997 4-Month	65.4°F (18.6°C)	68.1°F (20.1°C)	-2.7°F (-1.5°C)	124th Warmest	Warmest since: 1996	2012
Mar–Jul 1997 5-Month	62.0°F (16.7°C)	63.4°F (17.4°C)	-1.4°F (-0.7°C)	20th Coolest	Coolest since: 1996	1960
	62.0°F (16.7°C)	63.4°F (17.4°C)	-1.4°F (-0.7°C)	109th Warmest	Warmest since: 1995	2012
	Ties: 1940, 1983
Feb–Jul 1997 6-Month	58.2°F (14.6°C)	58.6°F (14.8°C)	-0.4°F (-0.2°C)	50th Coolest	Coolest since: 1996	1947
	58.2°F (14.6°C)	58.6°F (14.8°C)	-0.4°F (-0.2°C)	79th Warmest	Warmest since: 1995	2012
	Ties: 1901, 1965, 2015
Jan–Jul 1997 7-Month	53.9°F (12.2°C)	54.7°F (12.6°C)	-0.8°F (-0.4°C)	37th Coolest	Coolest since: 1996	1912
	53.9°F (12.2°C)	54.7°F (12.6°C)	-0.8°F (-0.4°C)	92nd Warmest	Warmest since: 1995	2012
	Ties: 1897, 1937, 1993
Dec 1996–Jul 1997 8-Month	51.7°F (10.9°C)	52.2°F (11.2°C)	-0.5°F (-0.3°C)	41st Coolest	Coolest since: 1996	1978
	51.7°F (10.9°C)	52.2°F (11.2°C)	-0.5°F (-0.3°C)	87th Warmest	Warmest since: 1995	2012
	Ties: 1916
Nov 1996–Jul 1997 9-Month	50.3°F (10.2°C)	51.3°F (10.7°C)	-1.0°F (-0.5°C)	27th Coolest	Coolest since: 1996	1904, 1912
	50.3°F (10.2°C)	51.3°F (10.7°C)	-1.0°F (-0.5°C)	101st Warmest	Warmest since: 1995	2012
	Ties: 1906
Oct 1996–Jul 1997 10-Month	51.0°F (10.6°C)	52.0°F (11.1°C)	-1.0°F (-0.5°C)	27th Coolest	Coolest since: 1996	1904, 1912
	51.0°F (10.6°C)	52.0°F (11.1°C)	-1.0°F (-0.5°C)	101st Warmest	Warmest since: 1995	2012
	Ties: 1915, 1936, 1963
Sep 1996–Jul 1997 11-Month	52.4°F (11.3°C)	53.5°F (11.9°C)	-1.1°F (-0.6°C)	23rd Coolest	Coolest since: 1996	1904
	52.4°F (11.3°C)	53.5°F (11.9°C)	-1.1°F (-0.6°C)	105th Warmest	Warmest since: 1995	2012
	Ties: 1963
Aug 1996–Jul 1997 12-Month	54.4°F (12.4°C)	55.4°F (13.0°C)	-1.0°F (-0.6°C)	22nd Coolest	Coolest since: 1993	1904
	54.4°F (12.4°C)	55.4°F (13.0°C)	-1.0°F (-0.6°C)	106th Warmest	Warmest since: 1996	2012
	Ties: 1906, 1917, 1984
Feb 1996–Jul 1997 18-Month	55.4°F (13.0°C)	56.5°F (13.6°C)	-1.1°F (-0.6°C)	14th Coolest	Coolest since: 1980	1918, 1979
	55.4°F (13.0°C)	56.5°F (13.6°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1996	2012
	Ties: 1902, 1912, 1929, 1959
Aug 1995–Jul 1997 24-Month	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	17th Coolest	Coolest since: 1994	1979
	54.5°F (12.5°C)	55.4°F (13.0°C)	-0.9°F (-0.5°C)	110th Warmest	Warmest since: 1996	2017
	Ties: 1912, 1994
Aug 1994–Jul 1997 36-Month	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	33rd Coolest	Coolest since: 1995	1979
	55.0°F (12.8°C)	55.4°F (13.0°C)	-0.4°F (-0.2°C)	93rd Warmest	Warmest since: 1996	2018
	Ties: 1901, 1908, 1926, 1930, 1995
Aug 1993–Jul 1997 48-Month	54.9°F (12.7°C)	55.3°F (12.9°C)	-0.4°F (-0.2°C)	26th Coolest	Coolest since: 1996	1980
	54.9°F (12.7°C)	55.3°F (12.9°C)	-0.4°F (-0.2°C)	99th Warmest	Warmest since: 1996	2019
	Ties: 1960, 1972, 1996
Aug 1992–Jul 1997 60-Month	54.8°F (12.7°C)	55.3°F (12.9°C)	-0.5°F (-0.2°C)	19th Coolest	Coolest since: 1983	1906
	54.8°F (12.7°C)	55.3°F (12.9°C)	-0.5°F (-0.2°C)	105th Warmest	Warmest since: 1996	2020
	Ties: 1903, 1918, 1964, 1969

Citing This Page

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