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, March 2009

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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
March 2009
1-Month
42.0°F
(5.6°C)
39.1°F
(3.9°C)
2.9°F
(1.7°C)
90th Coolest
Coolest since:
1960
39th Warmest
Warmest since:
2012
Feb–Mar 2009
2-Month
37.0°F
(2.8°C)
33.6°F
(0.9°C)
3.4°F
(1.9°C)
105th Coolest
Coolest since:
1899
24th Warmest
Warmest since:
2012
Ties: 1997
Jan–Mar 2009
3-Month
31.1°F
(-0.5°C)
30.3°F
(-0.9°C)
0.8°F
(0.4°C)
77th Coolest
Coolest since:
1912
52nd Warmest
Warmest since:
2012
Ties: 1997
Dec 2008–Mar 2009
4-Month
29.5°F
(-1.4°C)
29.9°F
(-1.2°C)
-0.4°F
(-0.2°C)
53rd Coolest
Coolest since:
1978
75th Warmest
Warmest since:
2012
Ties: 1913, 1923
Nov 2008–Mar 2009
5-Month
31.8°F
(-0.1°C)
31.9°F
(-0.1°C)
-0.1°F
(0.0°C)
58th Coolest
Coolest since:
1912
70th Warmest
Warmest since:
2012
Ties: 1898, 1968
Oct 2008–Mar 2009
6-Month
35.4°F
(1.9°C)
35.7°F
(2.1°C)
-0.3°F
(-0.2°C)
51st Coolest
Coolest since:
1912, 1978
77th Warmest
Warmest since:
2012
Ties: 1952, 1968
Sep 2008–Mar 2009
7-Month
39.8°F
(4.3°C)
40.1°F
(4.5°C)
-0.3°F
(-0.2°C)
54th Coolest
Coolest since:
1978
74th Warmest
Warmest since:
2017
Ties: 1985, 1988
Aug 2008–Mar 2009
8-Month
43.7°F
(6.5°C)
44.2°F
(6.8°C)
-0.5°F
(-0.3°C)
46th Coolest
Coolest since:
1978
82nd Warmest
Warmest since:
2017
Ties: 1944
Jul 2008–Mar 2009
9-Month
47.1°F
(8.4°C)
47.7°F
(8.7°C)
-0.6°F
(-0.3°C)
42nd Coolest
Coolest since:
1978
86th Warmest
Warmest since:
2012
Ties: 1940, 1943
Jun 2008–Mar 2009
10-Month
49.6°F
(9.8°C)
50.1°F
(10.1°C)
-0.5°F
(-0.3°C)
43rd Coolest
Coolest since:
1904
85th Warmest
Warmest since:
1932, 2012, 2017
Ties: 1902, 1943
May 2008–Mar 2009
11-Month
50.5°F
(10.3°C)
51.3°F
(10.7°C)
-0.8°F
(-0.4°C)
35th Coolest
Coolest since:
1918, 1977
93rd Warmest
Warmest since:
2012, 2017
Ties: 1963
Apr 2008–Mar 2009
12-Month
50.5°F
(10.3°C)
51.3°F
(10.7°C)
-0.8°F
(-0.4°C)
32nd Coolest
Coolest since:
1918
96th Warmest
Warmest since:
2017
Ties: 1916, 1958, 1963, 1980
Oct 2007–Mar 2009
18-Month
45.6°F
(7.6°C)
46.0°F
(7.8°C)
-0.4°F
(-0.2°C)
38th Coolest
Coolest since:
1979
89th Warmest
Warmest since:
2017
Ties: 1902, 1917, 1937, 1944
Apr 2007–Mar 2009
24-Month
51.3°F
(10.7°C)
51.2°F
(10.7°C)
0.1°F
(0.0°C)
55th Coolest
Coolest since:
1905
72nd Warmest
Warmest since:
2017
Ties: 1902, 1910, 1916, 1936, 1953, 1964, 1967
Apr 2006–Mar 2009
36-Month
51.8°F
(11.0°C)
51.2°F
(10.7°C)
0.6°F
(0.3°C)
85th Coolest
Coolest since:
1979
41st Warmest
Warmest since:
2018
Ties: 1916, 1937, 1999, 2021
Apr 2005–Mar 2009
48-Month
52.3°F
(11.3°C)
51.2°F
(10.7°C)
1.1°F
(0.6°C)
109th Coolest
Coolest since:
1980
16th Warmest
Warmest since:
1935
Ties: 1922, 1940, 2000, 2001, 2005, 2006
Apr 2004–Mar 2009
60-Month
52.3°F
(11.3°C)
51.2°F
(10.7°C)
1.1°F
(0.6°C)
111th Coolest
Coolest since:
1906
13th Warmest
Warmest since:
1935
Ties: 1923, 1936, 1991, 2007

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