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 2001

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2001
1-Month
35.0°F
(1.7°C)
28.3°F
(-2.1°C)
6.7°F
(3.8°C)
118th Coolest
Coolest since:
1983
10th Warmest
Warmest since:
2015
Ties: 1959, 2019
Nov–Dec 2001
2-Month
42.6°F
(5.9°C)
34.2°F
(1.2°C)
8.4°F
(4.7°C)
126th Coolest
Coolest since:
2000
2nd Warmest
Warmest since:
1931
Ties: 2015
Oct–Dec 2001
3-Month
46.2°F
(7.9°C)
41.0°F
(5.0°C)
5.2°F
(2.9°C)
125th Coolest
Coolest since:
1976
3rd Warmest
Warmest since:
1931
Sep–Dec 2001
4-Month
50.6°F
(10.3°C)
47.2°F
(8.4°C)
3.4°F
(1.9°C)
120th Coolest
Coolest since:
1976
8th Warmest
Warmest since:
1931
Aug–Dec 2001
5-Month
55.4°F
(13.0°C)
52.6°F
(11.4°C)
2.8°F
(1.6°C)
119th Coolest
Coolest since:
1976
9th Warmest
Warmest since:
1931
Ties: 1938
Jul–Dec 2001
6-Month
58.9°F
(14.9°C)
56.4°F
(13.6°C)
2.5°F
(1.3°C)
118th Coolest
Coolest since:
1976
10th Warmest
Warmest since:
1931
Jun–Dec 2001
7-Month
60.5°F
(15.8°C)
58.6°F
(14.8°C)
1.9°F
(1.0°C)
112th Coolest
Coolest since:
1976
16th Warmest
Warmest since:
1931
Ties: 2011
May–Dec 2001
8-Month
60.9°F
(16.1°C)
59.0°F
(15.0°C)
1.9°F
(1.1°C)
112th Coolest
Coolest since:
1917
16th Warmest
Warmest since:
1931
Ties: 1956
Apr–Dec 2001
9-Month
60.5°F
(15.8°C)
58.2°F
(14.6°C)
2.3°F
(1.2°C)
119th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
1931
Mar–Dec 2001
10-Month
58.1°F
(14.5°C)
56.3°F
(13.5°C)
1.8°F
(1.0°C)
111th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2012
Feb–Dec 2001
11-Month
55.3°F
(12.9°C)
53.7°F
(12.1°C)
1.6°F
(0.8°C)
110th Coolest
Coolest since:
1917
18th Warmest
Warmest since:
2012
Ties: 1922
Jan–Dec 2001
12-Month
52.8°F
(11.6°C)
51.3°F
(10.7°C)
1.5°F
(0.9°C)
105th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
2012
Jul 2000–Dec 2001
18-Month
53.2°F
(11.8°C)
52.9°F
(11.6°C)
0.3°F
(0.2°C)
75th Coolest
Coolest since:
1904
52nd Warmest
Warmest since:
2012
Ties: 1896, 1935, 1936, 1947, 1984
Jan 2000–Dec 2001
24-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
97th Coolest
Coolest since:
1979
30th Warmest
Warmest since:
2017
Ties: 1956
Jan 1999–Dec 2001
36-Month
52.5°F
(11.4°C)
51.3°F
(10.7°C)
1.2°F
(0.7°C)
109th Coolest
Coolest since:
1905
17th Warmest
Warmest since:
2017
Ties: 1940, 1956, 2013
Jan 1998–Dec 2001
48-Month
53.0°F
(11.7°C)
51.2°F
(10.7°C)
1.8°F
(1.0°C)
122nd Coolest
Coolest since:
1905
3rd Warmest
Warmest since:
1934
Ties: 2018
Jan 1997–Dec 2001
60-Month
52.5°F
(11.4°C)
51.2°F
(10.7°C)
1.3°F
(0.7°C)
117th Coolest
Coolest since:
1905
7th Warmest
Warmest since:
1934
Ties: 1957, 2006, 2007

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