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 1911

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1911 1-Month	77.6°F (25.3°C)	77.9°F (25.5°C)	-0.3°F (-0.2°C)	58th Coolest	Coolest since: 1910	2014
	77.6°F (25.3°C)	77.9°F (25.5°C)	-0.3°F (-0.2°C)	71st Warmest	Warmest since: 1907	2012
	Ties: 1944
Jun–Jul 1911 2-Month	77.5°F (25.3°C)	75.9°F (24.4°C)	1.6°F (0.9°C)	102nd Coolest	Coolest since: 1910	1904, 1927
Jun–Jul 1911 2-Month	77.5°F (25.3°C)	75.9°F (24.4°C)	1.6°F (0.9°C)	27th Warmest	Warmest since: 1901	1934
May–Jul 1911 3-Month	74.8°F (23.8°C)	72.3°F (22.4°C)	2.5°F (1.4°C)	116th Coolest	Coolest since: 1910	1924
	74.8°F (23.8°C)	72.3°F (22.4°C)	2.5°F (1.4°C)	13th Warmest	Warmest since: 1901	1934
	Ties: 2011
Apr–Jul 1911 4-Month	69.5°F (20.8°C)	68.0°F (20.0°C)	1.5°F (0.8°C)	97th Coolest	Coolest since: 1910	1907
	69.5°F (20.8°C)	68.0°F (20.0°C)	1.5°F (0.8°C)	32nd Warmest	Warmest since: 1896	2012
	Ties: 2002, 2022
Mar–Jul 1911 5-Month	64.8°F (18.2°C)	63.4°F (17.4°C)	1.4°F (0.8°C)	107th Coolest	Coolest since: 1910	1960
	64.8°F (18.2°C)	63.4°F (17.4°C)	1.4°F (0.8°C)	22nd Warmest	Warmest to Date	2012
	Ties: 1955, 1964, 2004
Feb–Jul 1911 6-Month	60.4°F (15.8°C)	58.6°F (14.8°C)	1.8°F (1.0°C)	108th Coolest	Coolest since: 1910	1947
Feb–Jul 1911 6-Month	60.4°F (15.8°C)	58.6°F (14.8°C)	1.8°F (1.0°C)	21st Warmest	Warmest to Date	2012
Jan–Jul 1911 7-Month	56.9°F (13.8°C)	54.7°F (12.6°C)	2.2°F (1.2°C)	113th Coolest	Coolest since: 1910	1912
	56.9°F (13.8°C)	54.7°F (12.6°C)	2.2°F (1.2°C)	16th Warmest	Warmest to Date	2012
	Ties: 1925, 1933, 1990
Dec 1910–Jul 1911 8-Month	53.6°F (12.0°C)	52.2°F (11.2°C)	1.4°F (0.8°C)	102nd Coolest	Coolest since: 1910	1978
	53.6°F (12.0°C)	52.2°F (11.2°C)	1.4°F (0.8°C)	26th Warmest	Warmest to Date	2012
	Ties: 1955, 1986
Nov 1910–Jul 1911 9-Month	52.1°F (11.2°C)	51.3°F (10.7°C)	0.8°F (0.5°C)	84th Coolest	Coolest since: 1910	1904, 1912
	52.1°F (11.2°C)	51.3°F (10.7°C)	0.8°F (0.5°C)	44th Warmest	Warmest since: 1896	2012
	Ties: 1931, 1942, 1972
Oct 1910–Jul 1911 10-Month	52.8°F (11.6°C)	52.0°F (11.1°C)	0.8°F (0.5°C)	85th Coolest	Coolest since: 1910	1904, 1912
	52.8°F (11.6°C)	52.0°F (11.1°C)	0.8°F (0.5°C)	43rd Warmest	Warmest to Date	2012
	Ties: 1935
Sep 1910–Jul 1911 11-Month	54.4°F (12.4°C)	53.5°F (11.9°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1910	1904
	54.4°F (12.4°C)	53.5°F (11.9°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1901	2012
	Ties: 1901, 2010, 2019
Aug 1910–Jul 1911 12-Month	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	82nd Coolest	Coolest since: 1910	1904
	56.0°F (13.3°C)	55.4°F (13.0°C)	0.6°F (0.3°C)	46th Warmest	Warmest since: 1901	2012
	Ties: 1933, 1935, 1948, 1949, 1952, 1964, 2010
Feb 1910–Jul 1911 18-Month	56.6°F (13.7°C)	56.5°F (13.6°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 1910	1918, 1979
	56.6°F (13.7°C)	56.5°F (13.6°C)	0.1°F (0.1°C)	62nd Warmest	Warmest since: 1909	2012
	Ties: 1950
Aug 1909–Jul 1911 24-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	67th Coolest	Coolest since: 1910	1979
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	60th Warmest	Warmest since: 1909	2017
	Ties: 1898, 1926, 1947, 1989
Aug 1908–Jul 1911 36-Month	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1910	1979
	55.6°F (13.1°C)	55.3°F (12.9°C)	0.3°F (0.2°C)	53rd Warmest	Warmest since: 1898	2018
	Ties: 1898, 1916, 1938, 1946, 1966
Aug 1907–Jul 1911 48-Month	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1910	1980
	55.6°F (13.1°C)	55.4°F (13.0°C)	0.2°F (0.1°C)	59th Warmest	Warmest to Date	2019
	Ties: 1916, 1946, 1976
Aug 1906–Jul 1911 60-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1910	1906, 1980
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	66th Warmest	Warmest to Date	2020
	Ties: 1926, 1948, 1953

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings