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 1964

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
August 1964 1-Month	72.3°F (22.4°C)	73.4°F (23.0°C)	-1.1°F (-0.6°C)	37th Coolest	Coolest since: 1963	1915
	72.3°F (22.4°C)	73.4°F (23.0°C)	-1.1°F (-0.6°C)	92nd Warmest	Warmest since: 1962	1947
	Ties: 1942
Jul–Aug 1964 2-Month	74.0°F (23.3°C)	74.5°F (23.6°C)	-0.5°F (-0.3°C)	49th Coolest	Coolest since: 1963	1915
	74.0°F (23.3°C)	74.5°F (23.6°C)	-0.5°F (-0.3°C)	80th Warmest	Warmest since: 1959	1936
	Ties: 1898, 1978, 1984
Jun–Aug 1964 3-Month	73.7°F (23.2°C)	73.5°F (23.1°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1963	1915
	73.7°F (23.2°C)	73.5°F (23.1°C)	0.2°F (0.1°C)	57th Warmest	Warmest since: 1959	1936
	Ties: 1898, 1956, 2019
May–Aug 1964 4-Month	71.9°F (22.2°C)	70.6°F (21.4°C)	1.3°F (0.8°C)	96th Coolest	Coolest since: 1963	1915
	71.9°F (22.2°C)	70.6°F (21.4°C)	1.3°F (0.8°C)	33rd Warmest	Warmest since: 1959	1934, 1936
	Ties: 1900, 1943, 1995, 2005
Apr–Aug 1964 5-Month	68.3°F (20.2°C)	66.8°F (19.3°C)	1.5°F (0.9°C)	105th Coolest	Coolest since: 1963	1907
	68.3°F (20.2°C)	66.8°F (19.3°C)	1.5°F (0.9°C)	24th Warmest	Warmest since: 1959	1934
	Ties: 1933
Mar–Aug 1964 6-Month	63.3°F (17.4°C)	62.3°F (16.8°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 1963	1904, 1950, 1960
	63.3°F (17.4°C)	62.3°F (16.8°C)	1.0°F (0.6°C)	36th Warmest	Warmest since: 1959	2012
	Ties: 1942, 1949, 1953, 1985, 2001
Feb–Aug 1964 7-Month	58.4°F (14.7°C)	57.5°F (14.2°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1963	1904
	58.4°F (14.7°C)	57.5°F (14.2°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1959	2012
	Ties: 1932, 1933, 1936, 2022
Jan–Aug 1964 8-Month	54.9°F (12.7°C)	53.5°F (11.9°C)	1.4°F (0.8°C)	96th Coolest	Coolest since: 1963	1904, 1912
	54.9°F (12.7°C)	53.5°F (11.9°C)	1.4°F (0.8°C)	33rd Warmest	Warmest since: 1955	2012
	Ties: 1949
Dec 1963–Aug 1964 9-Month	50.8°F (10.4°C)	50.9°F (10.5°C)	-0.1°F (-0.1°C)	59th Coolest	Coolest since: 1963	1904
	50.8°F (10.4°C)	50.9°F (10.5°C)	-0.1°F (-0.1°C)	69th Warmest	Warmest since: 1957	2012
	Ties: 1972
Nov 1963–Aug 1964 10-Month	50.2°F (10.1°C)	49.9°F (9.9°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1963	1904
	50.2°F (10.1°C)	49.9°F (9.9°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1957	2012
	Ties: 1986
Oct 1963–Aug 1964 11-Month	51.4°F (10.8°C)	50.3°F (10.2°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 1963	1904
	51.4°F (10.8°C)	50.3°F (10.2°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 1957	2012
	Ties: 2018
Sep 1963–Aug 1964 12-Month	52.6°F (11.4°C)	51.6°F (10.9°C)	1.0°F (0.5°C)	94th Coolest	Coolest since: 1963	1904
	52.6°F (11.4°C)	51.6°F (10.9°C)	1.0°F (0.5°C)	34th Warmest	Warmest since: 1957	2012
	Ties: 1957, 1976
Mar 1963–Aug 1964 18-Month	56.1°F (13.4°C)	55.2°F (12.9°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1963	1904
	56.1°F (13.4°C)	55.2°F (12.9°C)	0.9°F (0.5°C)	36th Warmest	Warmest since: 1955	2012
	Ties: 1949, 2021
Sep 1962–Aug 1964 24-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	52nd Coolest	Coolest since: 1963	1905
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	75th Warmest	Warmest since: 1957	2017
	Ties: 1898, 1911, 1936, 1983
Sep 1961–Aug 1964 36-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1963	1979
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1959	2018
	Ties: 1910, 1914, 1925, 1958, 1998
Sep 1960–Aug 1964 48-Month	51.3°F (10.7°C)	51.5°F (10.8°C)	-0.2°F (-0.1°C)	36th Coolest	Coolest since: 1963	1905
	51.3°F (10.7°C)	51.5°F (10.8°C)	-0.2°F (-0.1°C)	89th Warmest	Warmest since: 1959	2019
	Ties: 1903, 1910, 1930, 1965, 1985
Sep 1959–Aug 1964 60-Month	51.1°F (10.6°C)	51.6°F (10.9°C)	-0.5°F (-0.3°C)	21st Coolest	Coolest since: 1963	1906
	51.1°F (10.6°C)	51.6°F (10.9°C)	-0.5°F (-0.3°C)	103rd Warmest	Warmest since: 1961	2020
	Ties: 1912, 1929, 1930, 1972, 1978, 1997

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings