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 3. West

Average Temperature Rankings, February 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
February 2021
1-Month
18.3°F
(-7.6°C)
28.1°F
(-2.2°C)
-9.8°F
(-5.4°C)
8th Coolest
Coolest since:
1936
121st Warmest
Warmest since:
2017
Jan–Feb 2021
2-Month
23.0°F
(-5.0°C)
25.9°F
(-3.4°C)
-2.9°F
(-1.6°C)
26th Coolest
Coolest since:
1979
103rd Warmest
Warmest since:
2017
Ties: 1917
Dec 2020–Feb 2021
3-Month
25.9°F
(-3.4°C)
26.8°F
(-2.9°C)
-0.9°F
(-0.5°C)
42nd Coolest
Coolest since:
1936
86th Warmest
Warmest since:
1932
Nov 2020–Feb 2021
4-Month
31.1°F
(-0.5°C)
30.1°F
(-1.1°C)
1.0°F
(0.6°C)
83rd Coolest
Coolest since:
1936
45th Warmest
Warmest since:
1932
Ties: 1908, 1913, 1933, 1941, 1967, 2022
Oct 2020–Feb 2021
5-Month
35.0°F
(1.7°C)
35.0°F
(1.7°C)
0.0°F
(0.0°C)
56th Coolest
Coolest since:
1977
72nd Warmest
Warmest since:
1932
Ties: 1903, 1907, 1938
Sep 2020–Feb 2021
6-Month
39.9°F
(4.4°C)
40.2°F
(4.6°C)
-0.3°F
(-0.2°C)
53rd Coolest
Coolest since:
1977
75th Warmest
Warmest since:
1932
Ties: 1952, 1984
Aug 2020–Feb 2021
7-Month
44.6°F
(7.0°C)
45.0°F
(7.2°C)
-0.4°F
(-0.2°C)
48th Coolest
Coolest since:
1977
80th Warmest
Warmest since:
1932
Ties: 1940, 1946
Jul 2020–Feb 2021
8-Month
48.6°F
(9.2°C)
48.8°F
(9.3°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1977
81st Warmest
Warmest since:
1932
Ties: 1927, 1940, 1943, 1967, 2003, 2019
Jun 2020–Feb 2021
9-Month
51.4°F
(10.8°C)
51.3°F
(10.7°C)
0.1°F
(0.1°C)
54th Coolest
Coolest since:
1977
74th Warmest
Warmest since:
1932
Ties: 1956, 1965, 2003
May 2020–Feb 2021
10-Month
52.3°F
(11.3°C)
52.5°F
(11.4°C)
-0.2°F
(-0.1°C)
52nd Coolest
Coolest since:
1918
76th Warmest
Warmest since:
1932
Apr 2020–Feb 2021
11-Month
52.0°F
(11.1°C)
52.4°F
(11.3°C)
-0.4°F
(-0.2°C)
48th Coolest
Coolest since:
1918
80th Warmest
Warmest since:
1932
Mar 2020–Feb 2021
12-Month
51.3°F
(10.7°C)
51.3°F
(10.7°C)
0.0°F
(0.0°C)
60th Coolest
Coolest since:
1918
68th Warmest
Warmest since:
2017
Ties: 1990
Sep 2019–Feb 2021
18-Month
48.3°F
(9.1°C)
47.6°F
(8.7°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1905
36th Warmest
Warmest since:
2017
Ties: 1949, 1965, 2016
Mar 2019–Feb 2021
24-Month
51.7°F
(10.9°C)
51.3°F
(10.7°C)
0.4°F
(0.2°C)
80th Coolest
Coolest since:
1905
47th Warmest
Warmest since:
2017
Mar 2018–Feb 2021
36-Month
51.6°F
(10.9°C)
51.2°F
(10.7°C)
0.4°F
(0.2°C)
75th Coolest
Coolest since:
1979
51st Warmest
Warmest since:
2018
Ties: 1898, 1936, 1999
Mar 2017–Feb 2021
48-Month
51.8°F
(11.0°C)
51.2°F
(10.7°C)
0.6°F
(0.3°C)
88th Coolest
Coolest since:
1905, 1980
37th Warmest
Warmest since:
1934, 1935, 2019
Ties: 1944
Mar 2016–Feb 2021
60-Month
52.4°F
(11.3°C)
51.2°F
(10.7°C)
1.2°F
(0.6°C)
113th Coolest
Coolest since:
1905
11th Warmest
Warmest since:
1935

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