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, April 2020

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
April 2020
1-Month		48.0°F
(8.9°C)		49.8°F
(9.9°C)		-1.8°F
(-1.0°C)		33rd Coolest
Coolest since:
1907
97th Warmest
Warmest since:
2010
Mar–Apr 2020
2-Month		45.3°F
(7.4°C)		44.1°F
(6.7°C)		1.2°F
(0.7°C)		83rd Coolest
Coolest since:
1926
47th Warmest
Warmest since:
2012
Ties: 1954, 1995
Feb–Apr 2020
3-Month		40.3°F
(4.6°C)		38.5°F
(3.6°C)		1.8°F
(1.0°C)		92nd Coolest
Coolest since:
1978
38th Warmest
Warmest since:
2012
Ties: 1922, 2002
Jan–Apr 2020
4-Month		38.1°F
(3.4°C)		34.9°F
(1.6°C)		3.2°F
(1.8°C)		111th Coolest
Coolest since:
1912
19th Warmest
Warmest since:
2012
Ties: 1991
Dec 2019–Apr 2020
5-Month		37.2°F
(2.9°C)		33.5°F
(0.8°C)		3.7°F
(2.1°C)		117th Coolest
Coolest since:
1904
12th Warmest
Warmest since:
2012
Nov 2019–Apr 2020
6-Month		36.8°F
(2.7°C)		34.6°F
(1.4°C)		2.2°F
(1.3°C)		103rd Coolest
Coolest since:
1904
26th Warmest
Warmest since:
2012
Oct 2019–Apr 2020
7-Month		39.2°F
(4.0°C)		37.2°F
(2.9°C)		2.0°F
(1.1°C)		105th Coolest
Coolest since:
1904
24th Warmest
Warmest since:
2012
Ties: 2022
Sep 2019–Apr 2020
8-Month		43.1°F
(6.2°C)		40.7°F
(4.8°C)		2.4°F
(1.4°C)		111th Coolest
Coolest since:
1904
18th Warmest
Warmest since:
2017
Ties: 1995
Aug 2019–Apr 2020
9-Month		46.3°F
(7.9°C)		44.2°F
(6.8°C)		2.1°F
(1.1°C)		111th Coolest
Coolest since:
1904
18th Warmest
Warmest since:
2017
Jul 2019–Apr 2020
10-Month		49.3°F
(9.6°C)		47.2°F
(8.4°C)		2.1°F
(1.2°C)		116th Coolest
Coolest since:
1904
13th Warmest
Warmest since:
2017
Ties: 1942
Jun 2019–Apr 2020
11-Month		51.2°F
(10.7°C)		49.4°F
(9.7°C)		1.8°F
(1.0°C)		112th Coolest
Coolest since:
1904
17th Warmest
Warmest since:
2017
Ties: 1976
May 2019–Apr 2020
12-Month		52.1°F
(11.2°C)		50.3°F
(10.2°C)		1.8°F
(1.0°C)		113th Coolest
Coolest since:
1904, 1918
16th Warmest
Warmest since:
2017
Ties: 2022
Nov 2018–Apr 2020
18-Month		46.2°F
(7.9°C)		45.0°F
(7.2°C)		1.2°F
(0.7°C)		93rd Coolest
Coolest since:
1905
35th Warmest
Warmest since:
2017
May 2018–Apr 2020
24-Month		51.9°F
(11.1°C)		50.3°F
(10.2°C)		1.6°F
(0.9°C)		111th Coolest
Coolest since:
1905
17th Warmest
Warmest since:
2017
May 2017–Apr 2020
36-Month		51.4°F
(10.8°C)		50.3°F
(10.2°C)		1.1°F
(0.6°C)		100th Coolest
Coolest since:
1906
27th Warmest
Warmest since:
2018
Ties: 1988, 1990, 1991, 1999
May 2016–Apr 2020
48-Month		52.2°F
(11.2°C)		50.3°F
(10.2°C)		1.9°F
(1.0°C)		123rd Coolest
Coolest since:
1905
3rd Warmest
Warmest since:
2019
May 2015–Apr 2020
60-Month		52.5°F
(11.4°C)		50.3°F
(10.2°C)		2.2°F
(1.2°C)		124th Coolest
Coolest since:
1906
1st Warmest
Warmest to Date
2020

Citing This Page