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 5. East

Average Temperature Rankings, May 2019

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
May 2019
1-Month 		61.6°F
(16.4°C)		 61.0°F
(16.1°C)		 0.6°F
(0.3°C)		 70th Coolest
Coolest since:
 1907
59th Warmest
Warmest since:
 2018
Ties: 1942
Apr–May 2019
2-Month 		56.4°F
(13.6°C)		 55.5°F
(13.1°C)		 0.9°F
(0.5°C)		 82nd Coolest
Coolest since:
 1907
47th Warmest
Warmest since:
 1977
Ties: 1948, 2003, 2022
Mar–May 2019
3-Month 		49.5°F
(9.7°C)		 49.7°F
(9.8°C)		 -0.2°F
(-0.1°C)		 54th Coolest
Coolest since:
 1960
75th Warmest
Warmest since:
 2012
Feb–May 2019
4-Month 		44.2°F
(6.8°C)		 44.2°F
(6.8°C)		 0.0°F
(0.0°C)		 61st Coolest
Coolest since:
 1978
68th Warmest
Warmest since:
 2012
Jan–May 2019
5-Month 		40.0°F
(4.4°C)		 40.1°F
(4.5°C)		 -0.1°F
(-0.1°C)		 57th Coolest
Coolest since:
 1978
72nd Warmest
Warmest since:
 2012
Ties: 1909, 1959
Dec 2018–May 2019
6-Month 		38.9°F
(3.8°C)		 38.1°F
(3.4°C)		 0.8°F
(0.4°C)		 76th Coolest
Coolest since:
 1904, 1978
52nd Warmest
Warmest since:
 2012
Nov 2018–May 2019
7-Month 		38.3°F
(3.5°C)		 38.3°F
(3.5°C)		 0.0°F
(0.0°C)		 55th Coolest
Coolest since:
 1904
73rd Warmest
Warmest since:
 2012
Ties: 1911, 1913, 2009
Oct 2018–May 2019
8-Month 		40.2°F
(4.6°C)		 40.2°F
(4.6°C)		 0.0°F
(0.0°C)		 54th Coolest
Coolest since:
 1904
74th Warmest
Warmest since:
 2012
Ties: 1913, 1927, 2009
Sep 2018–May 2019
9-Month 		43.5°F
(6.4°C)		 43.0°F
(6.1°C)		 0.5°F
(0.3°C)		 77th Coolest
Coolest since:
 1904
51st Warmest
Warmest since:
 2012
Ties: 1896
Aug 2018–May 2019
10-Month 		46.5°F
(8.1°C)		 45.9°F
(7.7°C)		 0.6°F
(0.4°C)		 80th Coolest
Coolest since:
 1904
48th Warmest
Warmest since:
 2012
Ties: 1896, 1964, 1986, 1988, 1989, 1990
Jul 2018–May 2019
11-Month 		49.0°F
(9.4°C)		 48.5°F
(9.2°C)		 0.5°F
(0.2°C)		 75th Coolest
Coolest since:
 1904
53rd Warmest
Warmest since:
 2012
Ties: 1946, 1950
Jun 2018–May 2019
12-Month 		51.1°F
(10.6°C)		 50.3°F
(10.2°C)		 0.8°F
(0.4°C)		 83rd Coolest
Coolest since:
 1904
45th Warmest
Warmest since:
 2012
Dec 2017–May 2019
18-Month 		46.9°F
(8.3°C)		 46.2°F
(7.9°C)		 0.7°F
(0.4°C)		 83rd Coolest
Coolest since:
 1905
44th Warmest
Warmest since:
 2017
Ties: 1945, 1957
Jun 2017–May 2019
24-Month 		51.1°F
(10.6°C)		 50.3°F
(10.2°C)		 0.8°F
(0.4°C)		 91st Coolest
Coolest since:
 1905
36th Warmest
Warmest since:
 2017
Ties: 1938, 1949, 1986, 1990
Jun 2016–May 2019
36-Month 		52.3°F
(11.3°C)		 50.3°F
(10.2°C)		 2.0°F
(1.1°C)		 121st Coolest
Coolest since:
 1905, 1906
5th Warmest
Warmest since:
 2018
Ties: 1955, 2012
Jun 2015–May 2019
48-Month 		52.6°F
(11.4°C)		 50.3°F
(10.2°C)		 2.3°F
(1.2°C)		 124th Coolest
Coolest since:
 1905
1st Warmest
Warmest to Date
 2019
Jun 2014–May 2019
60-Month 		51.9°F
(11.1°C)		 50.3°F
(10.2°C)		 1.6°F
(0.9°C)		 120th Coolest
Coolest since:
 1905, 1906, 1908
4th Warmest
Warmest since:
 2020
Ties: 1935, 2003, 2006, 2008

Citing This Page