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, December 2003

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 2003
1-Month
32.5°F
(0.3°C)
28.3°F
(-2.1°C)
4.2°F
(2.4°C)
98th Coolest
Coolest since:
1983
31st Warmest
Warmest since:
2015
Ties: 1912
Nov–Dec 2003
2-Month
37.6°F
(3.1°C)
34.3°F
(1.3°C)
3.3°F
(1.8°C)
105th Coolest
Coolest since:
2000
24th Warmest
Warmest since:
1931
Oct–Dec 2003
3-Month
43.2°F
(6.2°C)
41.0°F
(5.0°C)
2.2°F
(1.2°C)
104th Coolest
Coolest since:
1976
25th Warmest
Warmest since:
1931
Ties: 1940
Sep–Dec 2003
4-Month
48.2°F
(9.0°C)
47.3°F
(8.5°C)
0.9°F
(0.5°C)
79th Coolest
Coolest since:
1976
50th Warmest
Warmest since:
1931
Ties: 1918
Aug–Dec 2003
5-Month
53.7°F
(12.1°C)
52.5°F
(11.4°C)
1.2°F
(0.7°C)
94th Coolest
Coolest since:
1976
35th Warmest
Warmest since:
1931
Ties: 1920
Jul–Dec 2003
6-Month
57.2°F
(14.0°C)
56.5°F
(13.6°C)
0.7°F
(0.4°C)
83rd Coolest
Coolest since:
1976
46th Warmest
Warmest since:
1931
Ties: 1908, 1914, 1973, 1982, 2010, 2020
Jun–Dec 2003
7-Month
58.8°F
(14.9°C)
58.6°F
(14.8°C)
0.2°F
(0.1°C)
63rd Coolest
Coolest since:
1976
66th Warmest
Warmest since:
1931
May–Dec 2003
8-Month
59.1°F
(15.1°C)
59.1°F
(15.1°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
1931
Ties: 1977, 1990
Apr–Dec 2003
9-Month
58.4°F
(14.7°C)
58.2°F
(14.6°C)
0.2°F
(0.1°C)
61st Coolest
Coolest since:
1917
68th Warmest
Warmest since:
1931
Ties: 1944, 2004, 2020
Mar–Dec 2003
10-Month
56.6°F
(13.7°C)
56.3°F
(13.5°C)
0.3°F
(0.2°C)
74th Coolest
Coolest since:
1917
55th Warmest
Warmest since:
2012
Ties: 1980
Feb–Dec 2003
11-Month
53.7°F
(12.1°C)
53.7°F
(12.1°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2012
Ties: 1919, 1925, 1928, 1944, 1965, 2019
Jan–Dec 2003
12-Month
51.0°F
(10.6°C)
51.2°F
(10.7°C)
-0.2°F
(-0.1°C)
52nd Coolest
Coolest since:
1917
77th Warmest
Warmest since:
2012
Ties: 1906, 1974, 2022
Jul 2002–Dec 2003
18-Month
53.0°F
(11.7°C)
53.0°F
(11.7°C)
0.0°F
(0.0°C)
66th Coolest
Coolest since:
1904
62nd Warmest
Warmest since:
2012
Ties: 1965, 1973, 1980, 1995, 2019
Jan 2002–Dec 2003
24-Month
51.7°F
(10.9°C)
51.2°F
(10.7°C)
0.5°F
(0.2°C)
85th Coolest
Coolest since:
1979
43rd Warmest
Warmest since:
2017
Ties: 1940, 1965, 1974
Jan 2001–Dec 2003
36-Month
52.1°F
(11.2°C)
51.2°F
(10.7°C)
0.9°F
(0.5°C)
97th Coolest
Coolest since:
1905
30th Warmest
Warmest since:
2017
Ties: 2005, 2022
Jan 2000–Dec 2003
48-Month
52.0°F
(11.1°C)
51.2°F
(10.7°C)
0.8°F
(0.4°C)
94th Coolest
Coolest since:
1905
32nd Warmest
Warmest since:
1934
Ties: 1954, 1988, 1989, 2004
Jan 1999–Dec 2003
60-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
108th Coolest
Coolest since:
1905
17th Warmest
Warmest since:
1934
Ties: 1922, 1923, 1936, 1941, 1990

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