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 1897

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
April 1897
1-Month
54.0°F
(12.2°C)
55.3°F
(12.9°C)
-1.3°F
(-0.7°C)
40th Coolest
Coolest to Date
1907
89th Warmest
Warmest since:
1896
Mar–Apr 1897
2-Month
49.6°F
(9.8°C)
50.0°F
(10.0°C)
-0.4°F
(-0.2°C)
56th Coolest
Coolest to Date
1960
73rd Warmest
Warmest since:
2012
Ties: 2019
Feb–Apr 1897
3-Month
44.9°F
(7.2°C)
44.9°F
(7.2°C)
0.0°F
(0.0°C)
61st Coolest
Coolest since:
1899
68th Warmest
Warmest since:
2012
Jan–Apr 1897
4-Month
41.0°F
(5.0°C)
41.5°F
(5.3°C)
-0.5°F
(-0.3°C)
51st Coolest
Coolest since:
1978
78th Warmest
Warmest since:
2012
Ties: 1934
Dec 1896–Apr 1897
5-Month
40.4°F
(4.7°C)
40.1°F
(4.5°C)
0.3°F
(0.2°C)
66th Coolest
Coolest to Date
1978
62nd Warmest
Warmest since:
2012
Ties: 1945
Nov 1896–Apr 1897
6-Month
41.2°F
(5.1°C)
40.9°F
(4.9°C)
0.3°F
(0.2°C)
66th Coolest
Coolest to Date
1912
62nd Warmest
Warmest since:
2012
Oct 1896–Apr 1897
7-Month
43.0°F
(6.1°C)
43.2°F
(6.2°C)
-0.2°F
(-0.1°C)
46th Coolest
Coolest since:
1899, 1978
82nd Warmest
Warmest to Date
2012
Ties: 1901, 1917, 1959, 1975, 1988
Sep 1896–Apr 1897
8-Month
46.0°F
(7.8°C)
46.5°F
(8.1°C)
-0.5°F
(-0.3°C)
38th Coolest
Coolest to Date
1918
90th Warmest
Warmest since:
2017
Ties: 1900, 1917, 1929
Aug 1896–Apr 1897
9-Month
49.4°F
(9.7°C)
49.8°F
(9.9°C)
-0.4°F
(-0.2°C)
38th Coolest
Coolest to Date
1918
90th Warmest
Warmest since:
2017
Ties: 1913, 1915, 1916, 1929, 1947
Jul 1896–Apr 1897
10-Month
52.2°F
(11.2°C)
52.6°F
(11.4°C)
-0.4°F
(-0.2°C)
36th Coolest
Coolest to Date
1918
92nd Warmest
Warmest since:
2012
Ties: 1913, 1924, 1928, 1930, 1944, 1947, 1959, 1973, 1994
Jun 1896–Apr 1897
11-Month
54.1°F
(12.3°C)
54.5°F
(12.5°C)
-0.4°F
(-0.2°C)
41st Coolest
Coolest to Date
1918
87th Warmest
Warmest since:
2012, 2017
Ties: 1924, 1952, 1971, 1994
May 1896–Apr 1897
12-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1918
74th Warmest
Warmest to Date
2012, 2017
Ties: 1900, 1956, 1985, 1990, 2009
Nov 1895–Apr 1897
18-Month
50.8°F
(10.4°C)
50.5°F
(10.3°C)
0.3°F
(0.1°C)
68th Coolest
Coolest to Date
1905, 1979
59th Warmest
Warmest to Date
2017
Ties: 1973
May 1895–Apr 1897
24-Month
55.4°F
(13.0°C)
55.4°F
(13.0°C)
0.0°F
(0.0°C)
54th Coolest
Coolest to Date
1978
73rd Warmest
Warmest to Date
2017
Ties: 1909, 1916, 1947, 1965, 1981

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