Divisional Rankings

Divisional Data Info
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, August 1935

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
August 1935
1-Month		77.3°F
(25.2°C)		76.0°F
(24.4°C)		1.3°F
(0.8°C)		92nd Coolest
Coolest since:
1915
37th Warmest
Warmest since:
1936
Jul–Aug 1935
2-Month		78.5°F
(25.8°C)		77.0°F
(25.0°C)		1.5°F
(0.8°C)		103rd Coolest
Coolest since:
1967
26th Warmest
Warmest since:
1936
Ties: 1932, 1947, 2016
Jun–Aug 1935
3-Month		75.6°F
(24.2°C)		75.9°F
(24.4°C)		-0.3°F
(-0.2°C)		50th Coolest
Coolest since:
1915, 1927
79th Warmest
Warmest since:
1936
Ties: 1942, 1948, 1966, 2000
May–Aug 1935
4-Month		72.1°F
(22.3°C)		73.2°F
(22.9°C)		-1.1°F
(-0.6°C)		27th Coolest
Coolest since:
1967
102nd Warmest
Warmest since:
1936
Ties: 1897, 1912, 1972, 1985
Apr–Aug 1935
5-Month		68.1°F
(20.1°C)		69.6°F
(20.9°C)		-1.5°F
(-0.8°C)		15th Coolest
Coolest since:
1907
114th Warmest
Warmest since:
2010
Ties: 1992
Mar–Aug 1935
6-Month		65.3°F
(18.5°C)		65.5°F
(18.6°C)		-0.2°F
(-0.1°C)		54th Coolest
Coolest since:
1904
75th Warmest
Warmest since:
2012
Ties: 1937
Feb–Aug 1935
7-Month		61.4°F
(16.3°C)		61.1°F
(16.2°C)		0.3°F
(0.1°C)		71st Coolest
Coolest since:
1904
58th Warmest
Warmest since:
2012
Ties: 1914, 1931, 1962, 1992
Jan–Aug 1935
8-Month		58.0°F
(14.4°C)		57.3°F
(14.1°C)		0.7°F
(0.3°C)		82nd Coolest
Coolest since:
1912
47th Warmest
Warmest since:
2012
Ties: 1908, 1949, 1959, 1974
Dec 1934–Aug 1935
9-Month		55.1°F
(12.8°C)		54.8°F
(12.7°C)		0.3°F
(0.1°C)		69th Coolest
Coolest since:
1904
59th Warmest
Warmest since:
2012
Ties: 1901, 1990
Nov 1934–Aug 1935
10-Month		54.5°F
(12.5°C)		53.8°F
(12.1°C)		0.7°F
(0.4°C)		82nd Coolest
Coolest since:
1904
46th Warmest
Warmest since:
2012
Ties: 1909, 1930, 1992
Oct 1934–Aug 1935
11-Month		55.0°F
(12.8°C)		54.1°F
(12.3°C)		0.9°F
(0.5°C)		87th Coolest
Coolest since:
1904
41st Warmest
Warmest since:
2012
Ties: 1964, 2021
Sep 1934–Aug 1935
12-Month		56.0°F
(13.3°C)		55.4°F
(13.0°C)		0.6°F
(0.3°C)		79th Coolest
Coolest since:
1904
49th Warmest
Warmest since:
2012
Ties: 1913, 1943, 1949
Mar 1934–Aug 1935
18-Month		59.9°F
(15.5°C)		58.7°F
(14.8°C)		1.2°F
(0.7°C)		102nd Coolest
Coolest since:
1904
26th Warmest
Warmest since:
2012
Ties: 1914, 1942, 1988, 2020
Sep 1933–Aug 1935
24-Month		56.8°F
(13.8°C)		55.4°F
(13.0°C)		1.4°F
(0.8°C)		113th Coolest
Coolest since:
1979
14th Warmest
Warmest since:
2017
Ties: 1992, 2005, 2016, 2022
Sep 1932–Aug 1935
36-Month		56.5°F
(13.6°C)		55.4°F
(13.0°C)		1.1°F
(0.6°C)		105th Coolest
Coolest since:
1979
21st Warmest
Warmest since:
2018
Sep 1931–Aug 1935
48-Month		57.2°F
(14.0°C)		55.3°F
(12.9°C)		1.9°F
(1.1°C)		122nd Coolest
Coolest since:
1980
3rd Warmest
Warmest to Date
2019
Ties: 2020
Sep 1930–Aug 1935
60-Month		56.9°F
(13.8°C)		55.3°F
(12.9°C)		1.6°F
(0.9°C)		121st Coolest
Coolest since:
1906
3rd Warmest
Warmest since:
2020
Ties: 1934, 2002, 2021

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