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, June 1947

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
June 1947 1-Month	72.6°F (22.6°C)	73.9°F (23.3°C)	-1.3°F (-0.7°C)	33rd Coolest	Coolest since: 1945	1903
	72.6°F (22.6°C)	73.9°F (23.3°C)	-1.3°F (-0.7°C)	96th Warmest	Warmest since: 1946	1952
	Ties: 2001
May–Jun 1947 2-Month	67.8°F (19.9°C)	69.5°F (20.8°C)	-1.7°F (-0.9°C)	24th Coolest	Coolest since: 1945	1907
	67.8°F (19.9°C)	69.5°F (20.8°C)	-1.7°F (-0.9°C)	105th Warmest	Warmest since: 1946	2018
	Ties: 1981
Apr–Jun 1947 3-Month	63.6°F (17.6°C)	64.7°F (18.2°C)	-1.1°F (-0.6°C)	28th Coolest	Coolest since: 1945	1907
	63.6°F (17.6°C)	64.7°F (18.2°C)	-1.1°F (-0.6°C)	101st Warmest	Warmest since: 1946	2010
	Ties: 1923, 1929
Mar–Jun 1947 4-Month	56.9°F (13.8°C)	59.7°F (15.4°C)	-2.8°F (-1.6°C)	4th Coolest	Coolest since: 1926	1960
Mar–Jun 1947 4-Month	56.9°F (13.8°C)	59.7°F (15.4°C)	-2.8°F (-1.6°C)	125th Warmest	Warmest since: 1946	2012
Feb–Jun 1947 5-Month	51.2°F (10.7°C)	54.7°F (12.6°C)	-3.5°F (-1.9°C)	4th Coolest	Coolest since: 1912	1912, 1960, 1978
	51.2°F (10.7°C)	54.7°F (12.6°C)	-3.5°F (-1.9°C)	125th Warmest	Warmest since: 1946	2012
	Ties: 1958
Jan–Jun 1947 6-Month	48.6°F (9.2°C)	50.8°F (10.4°C)	-2.2°F (-1.2°C)	11th Coolest	Coolest since: 1940	1912, 1978
	48.6°F (9.2°C)	50.8°F (10.4°C)	-2.2°F (-1.2°C)	118th Warmest	Warmest since: 1946	2012
	Ties: 1982
Dec 1946–Jun 1947 7-Month	47.4°F (8.6°C)	48.4°F (9.1°C)	-1.0°F (-0.5°C)	29th Coolest	Coolest since: 1940	1978
	47.4°F (8.6°C)	48.4°F (9.1°C)	-1.0°F (-0.5°C)	99th Warmest	Warmest since: 1946	2012
	Ties: 1924, 1929, 1993
Nov 1946–Jun 1947 8-Month	47.4°F (8.6°C)	48.0°F (8.9°C)	-0.6°F (-0.3°C)	39th Coolest	Coolest since: 1945	1912
	47.4°F (8.6°C)	48.0°F (8.9°C)	-0.6°F (-0.3°C)	89th Warmest	Warmest since: 1946	2012
	Ties: 1907, 1945, 2015
Oct 1946–Jun 1947 9-Month	48.9°F (9.4°C)	49.1°F (9.5°C)	-0.2°F (-0.1°C)	50th Coolest	Coolest since: 1945	1912, 1978
	48.9°F (9.4°C)	49.1°F (9.5°C)	-0.2°F (-0.1°C)	78th Warmest	Warmest since: 1946	2012
	Ties: 1927
Sep 1946–Jun 1947 10-Month	50.8°F (10.4°C)	51.1°F (10.6°C)	-0.3°F (-0.2°C)	46th Coolest	Coolest since: 1945	1978
	50.8°F (10.4°C)	51.1°F (10.6°C)	-0.3°F (-0.2°C)	82nd Warmest	Warmest since: 1946	2012
	Ties: 1903
Aug 1946–Jun 1947 11-Month	52.7°F (11.5°C)	53.3°F (11.8°C)	-0.6°F (-0.3°C)	31st Coolest	Coolest since: 1940	1904, 1978
	52.7°F (11.5°C)	53.3°F (11.8°C)	-0.6°F (-0.3°C)	97th Warmest	Warmest since: 1946	2012
	Ties: 1897, 1928, 1961, 1975, 1994, 1996
Jul 1946–Jun 1947 12-Month	54.8°F (12.7°C)	55.4°F (13.0°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1940	1904, 1912, 1918, 1978
	54.8°F (12.7°C)	55.4°F (13.0°C)	-0.6°F (-0.3°C)	93rd Warmest	Warmest since: 1946	2012
	Ties: 1973, 1975, 1984, 1996
Jan 1946–Jun 1947 18-Month	54.6°F (12.6°C)	53.9°F (12.2°C)	0.7°F (0.4°C)	92nd Coolest	Coolest since: 1946	1979
	54.6°F (12.6°C)	53.9°F (12.2°C)	0.7°F (0.4°C)	36th Warmest	Warmest since: 1942	2017
	Ties: 1909, 1921
Jul 1945–Jun 1947 24-Month	55.5°F (13.1°C)	55.3°F (12.9°C)	0.2°F (0.2°C)	67th Coolest	Coolest since: 1945	1978, 1979
	55.5°F (13.1°C)	55.3°F (12.9°C)	0.2°F (0.2°C)	60th Warmest	Warmest since: 1946	2017
	Ties: 1976, 1989, 1990, 1995
Jul 1944–Jun 1947 36-Month	55.4°F (13.0°C)	55.4°F (13.0°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1945	1979
	55.4°F (13.0°C)	55.4°F (13.0°C)	0.0°F (0.0°C)	72nd Warmest	Warmest since: 1946	2018
	Ties: 1909, 1925, 1927, 1945, 1958, 1966, 1975, 1986
Jul 1943–Jun 1947 48-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	59th Coolest	Coolest since: 1931	1980
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1946	2019
	Ties: 1916, 1948, 1950, 1967
Jul 1942–Jun 1947 60-Month	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1931	1980
	55.5°F (13.1°C)	55.4°F (13.0°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1946	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 February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings