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, April 1951

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
April 1951
1-Month
47.9°F
(8.8°C)
51.3°F
(10.7°C)
-3.4°F
(-1.9°C)
16th Coolest
Coolest since:
2018
113th Warmest
Warmest since:
2010
Mar–Apr 1951
2-Month
40.8°F
(4.9°C)
45.2°F
(7.3°C)
-4.4°F
(-2.4°C)
6th Coolest
Coolest since:
1960
123rd Warmest
Warmest since:
2012
Ties: 1996
Feb–Apr 1951
3-Month
36.7°F
(2.6°C)
39.5°F
(4.2°C)
-2.8°F
(-1.6°C)
24th Coolest
Coolest since:
1899
105th Warmest
Warmest since:
2012
Ties: 1989, 2013
Jan–Apr 1951
4-Month
33.8°F
(1.0°C)
35.6°F
(2.0°C)
-1.8°F
(-1.0°C)
31st Coolest
Coolest since:
1912
98th Warmest
Warmest since:
2012
Ties: 2022
Dec 1950–Apr 1951
5-Month
31.2°F
(-0.4°C)
34.2°F
(1.2°C)
-3.0°F
(-1.6°C)
13th Coolest
Coolest since:
1978
115th Warmest
Warmest since:
2012
Ties: 1962
Nov 1950–Apr 1951
6-Month
31.7°F
(-0.2°C)
35.2°F
(1.8°C)
-3.5°F
(-2.0°C)
8th Coolest
Coolest since:
1904, 1912, 1978
120th Warmest
Warmest since:
2012
Oct 1950–Apr 1951
7-Month
35.8°F
(2.1°C)
37.9°F
(3.3°C)
-2.1°F
(-1.2°C)
16th Coolest
Coolest since:
1912
112th Warmest
Warmest since:
2012
Ties: 1905, 1996
Sep 1950–Apr 1951
8-Month
39.4°F
(4.1°C)
41.5°F
(5.3°C)
-2.1°F
(-1.2°C)
13th Coolest
Coolest since:
1904, 1978
115th Warmest
Warmest since:
2017
Ties: 1902, 1970
Aug 1950–Apr 1951
9-Month
42.7°F
(5.9°C)
45.0°F
(7.2°C)
-2.3°F
(-1.3°C)
11th Coolest
Coolest since:
1978
117th Warmest
Warmest since:
2017
Jul 1950–Apr 1951
10-Month
45.6°F
(7.6°C)
48.1°F
(8.9°C)
-2.5°F
(-1.3°C)
9th Coolest
Coolest since:
1904
119th Warmest
Warmest since:
2012
Ties: 1936, 1982
Jun 1950–Apr 1951
11-Month
47.8°F
(8.8°C)
50.3°F
(10.2°C)
-2.5°F
(-1.4°C)
9th Coolest
Coolest since:
1904
119th Warmest
Warmest since:
2017
Ties: 1912
May 1950–Apr 1951
12-Month
49.2°F
(9.6°C)
51.3°F
(10.7°C)
-2.1°F
(-1.1°C)
11th Coolest
Coolest since:
1918
117th Warmest
Warmest since:
2017
Ties: 1993
Nov 1949–Apr 1951
18-Month
44.6°F
(7.0°C)
45.9°F
(7.7°C)
-1.3°F
(-0.7°C)
16th Coolest
Coolest since:
1979
111th Warmest
Warmest since:
2017
Ties: 1912, 1994
May 1949–Apr 1951
24-Month
50.5°F
(10.3°C)
51.2°F
(10.7°C)
-0.7°F
(-0.4°C)
28th Coolest
Coolest since:
1905
99th Warmest
Warmest since:
2017
Ties: 1927, 1930, 1983, 2010
May 1948–Apr 1951
36-Month
50.9°F
(10.5°C)
51.2°F
(10.7°C)
-0.3°F
(-0.2°C)
41st Coolest
Coolest since:
1979
85th Warmest
Warmest since:
2018
Ties: 1917, 1994, 2016
May 1947–Apr 1951
48-Month
51.1°F
(10.6°C)
51.2°F
(10.7°C)
-0.1°F
(-0.1°C)
45th Coolest
Coolest since:
1980
80th Warmest
Warmest since:
1935
Ties: 1909, 1914, 1921, 1959, 1975, 1983, 1995
May 1946–Apr 1951
60-Month
51.0°F
(10.6°C)
51.2°F
(10.7°C)
-0.2°F
(-0.1°C)
38th Coolest
Coolest since:
1906, 1979
86th Warmest
Warmest since:
1935
Ties: 1921, 1927, 1952, 1953, 1960, 1961, 1966, 1968, 1977

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