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 1918

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
August 1918
1-Month 		80.8°F
(27.1°C)		 76.0°F
(24.4°C)		 4.8°F
(2.7°C)		 122nd Coolest
Coolest since:
 1915
7th Warmest
Warmest since:
 1936
Jul–Aug 1918
2-Month 		78.6°F
(25.9°C)		 77.0°F
(25.0°C)		 1.6°F
(0.9°C)		 104th Coolest
Coolest since:
 1967
25th Warmest
Warmest since:
 1936
Jun–Aug 1918
3-Month 		77.4°F
(25.2°C)		 75.9°F
(24.4°C)		 1.5°F
(0.8°C)		 101st Coolest
Coolest since:
 1915, 1927
28th Warmest
Warmest since:
 1936
Ties: 2022
May–Aug 1918
4-Month 		75.3°F
(24.1°C)		 73.2°F
(22.9°C)		 2.1°F
(1.2°C)		 112th Coolest
Coolest since:
 1967
17th Warmest
Warmest since:
 1936
Apr–Aug 1918
5-Month 		70.5°F
(21.4°C)		 69.6°F
(20.9°C)		 0.9°F
(0.5°C)		 83rd Coolest
Coolest since:
 1907
46th Warmest
Warmest since:
 2010
Ties: 2019
Mar–Aug 1918
6-Month 		67.2°F
(19.6°C)		 65.5°F
(18.6°C)		 1.7°F
(1.0°C)		 114th Coolest
Coolest since:
 1904
15th Warmest
Warmest to Date
 2012
Ties: 1953, 1986
Feb–Aug 1918
7-Month 		62.7°F
(17.1°C)		 61.1°F
(16.2°C)		 1.6°F
(0.9°C)		 106th Coolest
Coolest since:
 1904
23rd Warmest
Warmest to Date
 2012
Jan–Aug 1918
8-Month 		56.9°F
(13.8°C)		 57.3°F
(14.1°C)		 -0.4°F
(-0.3°C)		 42nd Coolest
Coolest since:
 1912
87th Warmest
Warmest since:
 2012
Ties: 1903, 1972, 1993, 2013, 2015
Dec 1917–Aug 1918
9-Month 		53.2°F
(11.8°C)		 54.8°F
(12.7°C)		 -1.6°F
(-0.9°C)		 16th Coolest
Coolest since:
 1904
112th Warmest
Warmest since:
 2012
Ties: 1905, 1970
Nov 1917–Aug 1918
10-Month 		52.4°F
(11.3°C)		 53.8°F
(12.1°C)		 -1.4°F
(-0.8°C)		 19th Coolest
Coolest since:
 1904
109th Warmest
Warmest since:
 2012
Ties: 1917, 1963
Oct 1917–Aug 1918
11-Month 		52.2°F
(11.2°C)		 54.1°F
(12.3°C)		 -1.9°F
(-1.1°C)		 6th Coolest
Coolest since:
 1904
122nd Warmest
Warmest since:
 2012
Sep 1917–Aug 1918
12-Month 		53.5°F
(11.9°C)		 55.4°F
(13.0°C)		 -1.9°F
(-1.1°C)		 6th Coolest
Coolest since:
 1904
122nd Warmest
Warmest since:
 2012
Mar 1917–Aug 1918
18-Month 		56.7°F
(13.7°C)		 58.7°F
(14.8°C)		 -2.0°F
(-1.1°C)		 2nd Coolest
Coolest since:
 1904
126th Warmest
Warmest since:
 2012
Sep 1916–Aug 1918
24-Month 		53.7°F
(12.1°C)		 55.4°F
(13.0°C)		 -1.7°F
(-0.9°C)		 4th Coolest
Coolest since:
 1979
123rd Warmest
Warmest since:
 2017
Ties: 1904
Sep 1915–Aug 1918
36-Month 		54.4°F
(12.4°C)		 55.4°F
(13.0°C)		 -1.0°F
(-0.6°C)		 9th Coolest
Coolest since:
 1979
117th Warmest
Warmest since:
 2018
Ties: 1960, 1969
Sep 1914–Aug 1918
48-Month 		54.3°F
(12.4°C)		 55.3°F
(12.9°C)		 -1.0°F
(-0.5°C)		 9th Coolest
Coolest since:
 1980
116th Warmest
Warmest since:
 2019
Ties: 1978
Sep 1913–Aug 1918
60-Month 		54.8°F
(12.7°C)		 55.3°F
(12.9°C)		 -0.5°F
(-0.2°C)		 19th Coolest
Coolest since:
 1906
105th Warmest
Warmest since:
 2020
Ties: 1903, 1961, 1964, 1983, 1997

Citing This Page