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 2015

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
February 2015
1-Month
18.4°F
(-7.6°C)
28.1°F
(-2.2°C)
-9.7°F
(-5.4°C)
9th Coolest
Coolest since:
1936
120th Warmest
Warmest since:
2017
Jan–Feb 2015
2-Month
21.5°F
(-5.8°C)
25.9°F
(-3.4°C)
-4.4°F
(-2.4°C)
18th Coolest
Coolest since:
1979
111th Warmest
Warmest since:
2017
Dec 2014–Feb 2015
3-Month
25.1°F
(-3.8°C)
26.7°F
(-2.9°C)
-1.6°F
(-0.9°C)
33rd Coolest
Coolest since:
1936
95th Warmest
Warmest since:
1932
Nov 2014–Feb 2015
4-Month
27.2°F
(-2.7°C)
30.1°F
(-1.1°C)
-2.9°F
(-1.6°C)
15th Coolest
Coolest since:
1936
113th Warmest
Warmest since:
1932
Ties: 1951, 1982, 1986
Oct 2014–Feb 2015
5-Month
32.5°F
(0.3°C)
35.0°F
(1.7°C)
-2.5°F
(-1.4°C)
17th Coolest
Coolest since:
1977
111th Warmest
Warmest since:
1932
Sep 2014–Feb 2015
6-Month
37.8°F
(3.2°C)
40.2°F
(4.6°C)
-2.4°F
(-1.4°C)
15th Coolest
Coolest since:
1977
113th Warmest
Warmest since:
1932
Ties: 1970
Aug 2014–Feb 2015
7-Month
42.9°F
(6.1°C)
45.0°F
(7.2°C)
-2.1°F
(-1.1°C)
17th Coolest
Coolest since:
1977
111th Warmest
Warmest since:
1932
Ties: 1970, 1986
Jul 2014–Feb 2015
8-Month
46.3°F
(7.9°C)
48.8°F
(9.3°C)
-2.5°F
(-1.4°C)
12th Coolest
Coolest since:
1977
116th Warmest
Warmest since:
1932
Ties: 1963
Jun 2014–Feb 2015
9-Month
49.3°F
(9.6°C)
51.4°F
(10.8°C)
-2.1°F
(-1.2°C)
13th Coolest
Coolest since:
1977
115th Warmest
Warmest since:
1932
Ties: 1970, 1986
May 2014–Feb 2015
10-Month
50.7°F
(10.4°C)
52.5°F
(11.4°C)
-1.8°F
(-1.0°C)
15th Coolest
Coolest since:
1918
113th Warmest
Warmest since:
1932
Apr 2014–Feb 2015
11-Month
50.7°F
(10.4°C)
52.3°F
(11.3°C)
-1.6°F
(-0.9°C)
17th Coolest
Coolest since:
1918
111th Warmest
Warmest since:
1932
Mar 2014–Feb 2015
12-Month
49.3°F
(9.6°C)
51.3°F
(10.7°C)
-2.0°F
(-1.1°C)
10th Coolest
Coolest since:
1918
118th Warmest
Warmest since:
2017
Ties: 1994
Sep 2013–Feb 2015
18-Month
45.0°F
(7.2°C)
47.6°F
(8.7°C)
-2.6°F
(-1.5°C)
4th Coolest
Coolest since:
1905
123rd Warmest
Warmest since:
2017
Ties: 1978
Mar 2013–Feb 2015
24-Month
48.8°F
(9.3°C)
51.2°F
(10.7°C)
-2.4°F
(-1.4°C)
2nd Coolest
Coolest since:
1905
125th Warmest
Warmest since:
2017
Mar 2012–Feb 2015
36-Month
50.6°F
(10.3°C)
51.2°F
(10.7°C)
-0.6°F
(-0.4°C)
24th Coolest
Coolest since:
1979
102nd Warmest
Warmest since:
2018
Ties: 1912, 1952, 1961, 1972, 1998
Mar 2011–Feb 2015
48-Month
51.4°F
(10.8°C)
51.2°F
(10.7°C)
0.2°F
(0.1°C)
71st Coolest
Coolest since:
1905, 1980
54th Warmest
Warmest since:
1934, 1935, 2019
Ties: 1914, 1917, 1976, 1999, 2011, 2016
Mar 2010–Feb 2015
60-Month
51.6°F
(10.9°C)
51.2°F
(10.7°C)
0.4°F
(0.2°C)
76th Coolest
Coolest since:
1905
48th Warmest
Warmest since:
1935
Ties: 1945, 1988

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