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 8. Southwest

Average Temperature Rankings, April 1896

View Period (Months):
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1896
1-Month
62.3°F
(16.8°C)
55.3°F
(12.9°C)
7.0°F
(3.9°C)
128th Coolest
Coolest since:
1907
1st Warmest
Warmest to Date
1896
Mar–Apr 1896
2-Month
50.8°F
(10.4°C)
50.0°F
(10.0°C)
0.8°F
(0.4°C)
76th Coolest
Coolest since:
1926, 1960
53rd Warmest
Warmest to Date
2012
Ties: 1959
Feb–Apr 1896
3-Month
45.9°F
(7.7°C)
44.9°F
(7.2°C)
1.0°F
(0.5°C)
80th Coolest
Coolest since:
1899
49th Warmest
Warmest to Date
2012
Ties: 1985, 1994
Jan–Apr 1896
4-Month
42.9°F
(6.1°C)
41.5°F
(5.3°C)
1.4°F
(0.8°C)
90th Coolest
Coolest since:
1978
39th Warmest
Warmest to Date
2012
Ties: 1908
Dec 1895–Apr 1896
5-Month
41.5°F
(5.3°C)
40.1°F
(4.5°C)
1.4°F
(0.8°C)
90th Coolest
Coolest since:
1978
38th Warmest
Warmest to Date
2012
Ties: 1939, 1942, 1990
Nov 1895–Apr 1896
6-Month
41.6°F
(5.3°C)
40.9°F
(4.9°C)
0.7°F
(0.4°C)
77th Coolest
Coolest since:
1912
51st Warmest
Warmest to Date
2012
Ties: 1931, 1966
Oct 1895–Apr 1896
7-Month
42.9°F
(6.1°C)
43.2°F
(6.2°C)
-0.3°F
(-0.1°C)
42nd Coolest
Coolest since:
1899, 1978
86th Warmest
Warmest to Date
2012
Ties: 1900, 1913, 1973
Sep 1895–Apr 1896
8-Month
46.6°F
(8.1°C)
46.5°F
(8.1°C)
0.1°F
(0.0°C)
56th Coolest
Coolest since:
1918
72nd Warmest
Warmest to Date
2017
Ties: 1910, 1989, 2010, 2013
Aug 1895–Apr 1896
9-Month
49.9°F
(9.9°C)
49.8°F
(9.9°C)
0.1°F
(0.0°C)
61st Coolest
Coolest since:
1918
67th Warmest
Warmest to Date
2017
Ties: 1908, 1966, 2009
Jul 1895–Apr 1896
10-Month
52.4°F
(11.3°C)
52.6°F
(11.4°C)
-0.2°F
(-0.1°C)
51st Coolest
Coolest since:
1918
77th Warmest
Warmest to Date
2012
Ties: 1911
Jun 1895–Apr 1896
11-Month
54.5°F
(12.5°C)
54.6°F
(12.6°C)
-0.1°F
(-0.1°C)
57th Coolest
Coolest since:
1918
71st Warmest
Warmest to Date
2012, 2017
Ties: 1903, 1966
May 1895–Apr 1896
12-Month
55.3°F
(12.9°C)
55.4°F
(13.0°C)
-0.1°F
(-0.1°C)
49th Coolest
Coolest since:
1918
79th Warmest
Warmest to Date
2012, 2017
Ties: 1917, 1943, 1944, 1965

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