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 2020

View Period (Months):
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
February 2020
1-Month
30.2°F
(-1.0°C)
28.1°F
(-2.2°C)
2.1°F
(1.2°C)
89th Coolest
Coolest since:
1936
40th Warmest
Warmest since:
2017
Ties: 1922
Jan–Feb 2020
2-Month
29.7°F
(-1.3°C)
25.9°F
(-3.4°C)
3.8°F
(2.1°C)
106th Coolest
Coolest since:
1979
23rd Warmest
Warmest since:
2017
Ties: 1939, 1999
Dec 2019–Feb 2020
3-Month
31.5°F
(-0.3°C)
26.8°F
(-2.9°C)
4.7°F
(2.6°C)
115th Coolest
Coolest since:
1936
13th Warmest
Warmest since:
1932
Ties: 2000
Nov 2019–Feb 2020
4-Month
32.6°F
(0.3°C)
30.1°F
(-1.1°C)
2.5°F
(1.4°C)
104th Coolest
Coolest since:
1936
24th Warmest
Warmest since:
1932
Oct 2019–Feb 2020
5-Month
36.4°F
(2.4°C)
35.0°F
(1.7°C)
1.4°F
(0.7°C)
91st Coolest
Coolest since:
1977
37th Warmest
Warmest since:
1932
Ties: 1966
Sep 2019–Feb 2020
6-Month
42.2°F
(5.7°C)
40.2°F
(4.6°C)
2.0°F
(1.1°C)
108th Coolest
Coolest since:
1977
20th Warmest
Warmest since:
1932
Ties: 1934, 1987, 2022
Aug 2019–Feb 2020
7-Month
46.5°F
(8.1°C)
45.0°F
(7.2°C)
1.5°F
(0.9°C)
102nd Coolest
Coolest since:
1977
26th Warmest
Warmest since:
1932
Jul 2019–Feb 2020
8-Month
50.4°F
(10.2°C)
48.8°F
(9.3°C)
1.6°F
(0.9°C)
107th Coolest
Coolest since:
1977
21st Warmest
Warmest since:
1932
Ties: 1934, 1950, 1976
Jun 2019–Feb 2020
9-Month
52.7°F
(11.5°C)
51.3°F
(10.7°C)
1.4°F
(0.8°C)
100th Coolest
Coolest since:
1977
28th Warmest
Warmest since:
1932
Ties: 1915, 1923, 2013
May 2019–Feb 2020
10-Month
53.6°F
(12.0°C)
52.5°F
(11.4°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1918
33rd Warmest
Warmest since:
1932
Ties: 1955, 1981, 2019
Apr 2019–Feb 2020
11-Month
53.4°F
(11.9°C)
52.3°F
(11.3°C)
1.1°F
(0.6°C)
92nd Coolest
Coolest since:
1918
36th Warmest
Warmest since:
1932
Ties: 1901
Mar 2019–Feb 2020
12-Month
52.0°F
(11.1°C)
51.2°F
(10.7°C)
0.8°F
(0.4°C)
86th Coolest
Coolest since:
1918
42nd Warmest
Warmest since:
2017
Ties: 1956, 1998
Sep 2018–Feb 2020
18-Month
47.9°F
(8.8°C)
47.5°F
(8.6°C)
0.4°F
(0.2°C)
79th Coolest
Coolest since:
1905
48th Warmest
Warmest since:
2017
Ties: 1924, 1981
Mar 2018–Feb 2020
24-Month
51.8°F
(11.0°C)
51.3°F
(10.7°C)
0.5°F
(0.3°C)
86th Coolest
Coolest since:
1905
41st Warmest
Warmest since:
2017
Ties: 1914, 1920, 1924, 1947, 1948
Mar 2017–Feb 2020
36-Month
51.9°F
(11.1°C)
51.2°F
(10.7°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1979
35th Warmest
Warmest since:
2018
Ties: 1915, 1944, 1954, 1991, 1993
Mar 2016–Feb 2020
48-Month
52.7°F
(11.5°C)
51.2°F
(10.7°C)
1.5°F
(0.8°C)
119th Coolest
Coolest since:
1905, 1980
6th Warmest
Warmest since:
1934, 1935, 2019
Mar 2015–Feb 2020
60-Month
52.9°F
(11.6°C)
51.2°F
(10.7°C)
1.7°F
(0.9°C)
122nd Coolest
Coolest since:
1905
2nd Warmest
Warmest since:
1935

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