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 2. Northeast

Average Temperature Rankings, October 2021

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 2021
1-Month
58.4°F
(14.7°C)
52.1°F
(11.2°C)
6.3°F
(3.5°C)
124th Coolest
Coolest since:
1925
5th Warmest
Warmest since:
1963
Ties: 2007
Sep–Oct 2021
2-Month
63.4°F
(17.4°C)
57.9°F
(14.4°C)
5.5°F
(3.0°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest since:
1971, 2021
Ties: 1971
Aug–Oct 2021
3-Month
67.1°F
(19.5°C)
62.3°F
(16.8°C)
4.8°F
(2.7°C)
126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
1947
Jul–Oct 2021
4-Month
68.6°F
(20.3°C)
65.0°F
(18.3°C)
3.6°F
(2.0°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
1947
Jun–Oct 2021
5-Month
69.4°F
(20.8°C)
65.8°F
(18.8°C)
3.6°F
(2.0°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2021
May–Oct 2021
6-Month
67.6°F
(19.8°C)
64.6°F
(18.1°C)
3.0°F
(1.7°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest since:
2007
Apr–Oct 2021
7-Month
65.2°F
(18.4°C)
62.2°F
(16.8°C)
3.0°F
(1.6°C)
126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2010
Mar–Oct 2021
8-Month
62.4°F
(16.9°C)
59.0°F
(15.0°C)
3.4°F
(1.9°C)
126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2012
Ties: 2010
Feb–Oct 2021
9-Month
57.3°F
(14.1°C)
55.1°F
(12.8°C)
2.2°F
(1.3°C)
118th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2012
Ties: 1938
Jan–Oct 2021
10-Month
54.2°F
(12.3°C)
51.7°F
(10.9°C)
2.5°F
(1.4°C)
119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2012
Ties: 1931, 2000
Dec 2020–Oct 2021
11-Month
52.1°F
(11.2°C)
49.4°F
(9.7°C)
2.7°F
(1.5°C)
122nd Coolest
Coolest since:
1904, 1917
6th Warmest
Warmest since:
2012
Ties: 1987, 1991, 2017
Nov 2020–Oct 2021
12-Month
51.5°F
(10.8°C)
48.5°F
(9.2°C)
3.0°F
(1.6°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
May 2020–Oct 2021
18-Month
56.1°F
(13.4°C)
53.9°F
(12.2°C)
2.2°F
(1.2°C)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Ties: 2000, 2002
Nov 2019–Oct 2021
24-Month
50.8°F
(10.4°C)
48.4°F
(9.1°C)
2.4°F
(1.3°C)
120th Coolest
Coolest since:
1905
7th Warmest
Warmest since:
2017
Ties: 2006
Nov 2018–Oct 2021
36-Month
50.1°F
(10.1°C)
48.5°F
(9.2°C)
1.6°F
(0.9°C)
113th Coolest
Coolest since:
1904
13th Warmest
Warmest since:
2000
Ties: 1999
Nov 2017–Oct 2021
48-Month
49.8°F
(9.9°C)
48.4°F
(9.1°C)
1.4°F
(0.8°C)
109th Coolest
Coolest since:
1905
16th Warmest
Warmest since:
2007
Ties: 1922, 1933, 1956, 1991
Nov 2016–Oct 2021
60-Month
50.2°F
(10.1°C)
48.4°F
(9.1°C)
1.8°F
(1.0°C)
120th Coolest
Coolest since:
1905
4th Warmest
Warmest since:
2002
Ties: 2007, 2008

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