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 1947

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1947
1-Month
31.6°F
(-0.2°C)
28.3°F
(-2.1°C)
3.3°F
(1.9°C)
88th Coolest
Coolest since:
1983
40th Warmest
Warmest since:
2015
Ties: 1975, 2020
Nov–Dec 1947
2-Month
33.3°F
(0.7°C)
34.2°F
(1.2°C)
-0.9°F
(-0.5°C)
39th Coolest
Coolest since:
2000
89th Warmest
Warmest since:
1931
Oct–Dec 1947
3-Month
43.0°F
(6.1°C)
41.0°F
(5.0°C)
2.0°F
(1.1°C)
101st Coolest
Coolest since:
1976
27th Warmest
Warmest since:
1931
Ties: 1922, 1928, 2004
Sep–Dec 1947
4-Month
49.4°F
(9.7°C)
47.2°F
(8.4°C)
2.2°F
(1.3°C)
111th Coolest
Coolest since:
1976
17th Warmest
Warmest since:
1931
Ties: 1922, 1999
Aug–Dec 1947
5-Month
55.9°F
(13.3°C)
52.5°F
(11.4°C)
3.4°F
(1.9°C)
120th Coolest
Coolest since:
1976
8th Warmest
Warmest since:
1931
Jul–Dec 1947
6-Month
58.8°F
(14.9°C)
56.5°F
(13.6°C)
2.3°F
(1.3°C)
117th Coolest
Coolest since:
1976
11th Warmest
Warmest since:
1931
Ties: 1953
Jun–Dec 1947
7-Month
60.2°F
(15.7°C)
58.6°F
(14.8°C)
1.6°F
(0.9°C)
107th Coolest
Coolest since:
1976
21st Warmest
Warmest since:
1931
Ties: 2005, 2007
May–Dec 1947
8-Month
59.9°F
(15.5°C)
59.1°F
(15.1°C)
0.8°F
(0.4°C)
87th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
1931
Ties: 2006
Apr–Dec 1947
9-Month
58.8°F
(14.9°C)
58.2°F
(14.6°C)
0.6°F
(0.3°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
1931
Ties: 1975
Mar–Dec 1947
10-Month
56.2°F
(13.4°C)
56.3°F
(13.5°C)
-0.1°F
(-0.1°C)
56th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2012
Ties: 1895, 1897, 1910, 1979
Feb–Dec 1947
11-Month
53.1°F
(11.7°C)
53.7°F
(12.1°C)
-0.6°F
(-0.4°C)
40th Coolest
Coolest since:
1917
88th Warmest
Warmest since:
2012
Ties: 1966, 1992
Jan–Dec 1947
12-Month
51.1°F
(10.6°C)
51.3°F
(10.7°C)
-0.2°F
(-0.1°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2012
Ties: 1977, 1980
Jul 1946–Dec 1947
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, 1984, 2001
Jan 1946–Dec 1947
24-Month
52.3°F
(11.3°C)
51.3°F
(10.7°C)
1.0°F
(0.6°C)
100th Coolest
Coolest since:
1979
27th Warmest
Warmest since:
2017
Ties: 1914, 2000
Jan 1945–Dec 1947
36-Month
51.5°F
(10.8°C)
51.2°F
(10.7°C)
0.3°F
(0.1°C)
75th Coolest
Coolest since:
1905
51st Warmest
Warmest since:
2017
Jan 1944–Dec 1947
48-Month
51.6°F
(10.9°C)
51.2°F
(10.7°C)
0.4°F
(0.2°C)
78th Coolest
Coolest since:
1905
47th Warmest
Warmest since:
1934
Ties: 1914, 1937
Jan 1943–Dec 1947
60-Month
51.3°F
(10.7°C)
51.2°F
(10.7°C)
0.1°F
(0.0°C)
59th Coolest
Coolest since:
1905
65th Warmest
Warmest since:
1934
Ties: 1953, 1998

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