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, May 1941

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1941
1-Month
66.9°F
(19.4°C)
62.3°F
(16.8°C)
4.6°F
(2.6°C)
114th Coolest
Coolest since:
1924
15th Warmest
Warmest since:
2018
Ties: 1982
Apr–May 1941
2-Month
61.3°F
(16.3°C)
56.8°F
(13.8°C)
4.5°F
(2.5°C)
125th Coolest
Coolest since:
1907
4th Warmest
Warmest since:
1896
Ties: 1955
Mar–May 1941
3-Month
52.7°F
(11.5°C)
50.9°F
(10.5°C)
1.8°F
(1.0°C)
103rd Coolest
Coolest since:
1960
26th Warmest
Warmest since:
2012
Ties: 1918, 1945, 1974, 1998
Feb–May 1941
4-Month
46.1°F
(7.8°C)
45.2°F
(7.3°C)
0.9°F
(0.5°C)
86th Coolest
Coolest since:
1978
43rd Warmest
Warmest since:
2012
Jan–May 1941
5-Month
42.4°F
(5.8°C)
40.9°F
(4.9°C)
1.5°F
(0.9°C)
94th Coolest
Coolest since:
1978
35th Warmest
Warmest since:
2012
Ties: 1974, 2020
Dec 1940–May 1941
6-Month
40.9°F
(4.9°C)
38.9°F
(3.8°C)
2.0°F
(1.1°C)
103rd Coolest
Coolest since:
1978
25th Warmest
Warmest since:
2012
Ties: 1934
Nov 1940–May 1941
7-Month
40.4°F
(4.7°C)
39.1°F
(3.9°C)
1.3°F
(0.8°C)
96th Coolest
Coolest since:
1978
32nd Warmest
Warmest since:
2012
Ties: 2020
Oct 1940–May 1941
8-Month
42.7°F
(5.9°C)
41.0°F
(5.0°C)
1.7°F
(0.9°C)
107th Coolest
Coolest since:
1978
21st Warmest
Warmest since:
2012
Ties: 2007
Sep 1940–May 1941
9-Month
45.3°F
(7.4°C)
43.7°F
(6.5°C)
1.6°F
(0.9°C)
106th Coolest
Coolest since:
1978
22nd Warmest
Warmest since:
2012
Ties: 2022
Aug 1940–May 1941
10-Month
48.1°F
(8.9°C)
46.8°F
(8.2°C)
1.3°F
(0.7°C)
101st Coolest
Coolest since:
1978
27th Warmest
Warmest since:
2012
Ties: 1922, 1938
Jul 1940–May 1941
11-Month
50.7°F
(10.4°C)
49.4°F
(9.7°C)
1.3°F
(0.7°C)
103rd Coolest
Coolest since:
1904
25th Warmest
Warmest since:
2012
Ties: 1937, 2007
Jun 1940–May 1941
12-Month
52.6°F
(11.4°C)
51.3°F
(10.7°C)
1.3°F
(0.7°C)
104th Coolest
Coolest since:
1904
24th Warmest
Warmest since:
2012
Ties: 2022
Dec 1939–May 1941
18-Month
47.2°F
(8.4°C)
47.1°F
(8.4°C)
0.1°F
(0.0°C)
68th Coolest
Coolest since:
1979
59th Warmest
Warmest since:
2017
Ties: 1920, 1948, 1964, 1972, 1995, 2019
Jun 1939–May 1941
24-Month
51.6°F
(10.9°C)
51.3°F
(10.7°C)
0.3°F
(0.2°C)
81st Coolest
Coolest since:
1905
46th Warmest
Warmest since:
2017
Ties: 1965, 1981
Jun 1938–May 1941
36-Month
52.1°F
(11.2°C)
51.2°F
(10.7°C)
0.9°F
(0.5°C)
99th Coolest
Coolest since:
1979
27th Warmest
Warmest since:
2018
Ties: 1915, 1940, 1942, 1943, 1991
Jun 1937–May 1941
48-Month
52.2°F
(11.2°C)
51.2°F
(10.7°C)
1.0°F
(0.5°C)
104th Coolest
Coolest since:
1980
21st Warmest
Warmest since:
1935
Ties: 1923, 1932, 1940, 1990, 2003, 2005, 2009
Jun 1936–May 1941
60-Month
52.3°F
(11.3°C)
51.2°F
(10.7°C)
1.1°F
(0.6°C)
110th Coolest
Coolest since:
1906, 1907, 1979
14th Warmest
Warmest since:
1935
Ties: 1991

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