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 5. East

Average Temperature Rankings, May 1990

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1990
1-Month
58.1°F
(14.5°C)
61.0°F
(16.1°C)
-2.9°F
(-1.6°C)
29th Coolest
Coolest since:
1907
100th Warmest
Warmest since:
2018
Apr–May 1990
2-Month
54.0°F
(12.2°C)
55.4°F
(13.0°C)
-1.4°F
(-0.8°C)
29th Coolest
Coolest since:
1907
100th Warmest
Warmest since:
1977
Ties: 1898
Mar–May 1990
3-Month
50.6°F
(10.3°C)
49.7°F
(9.8°C)
0.9°F
(0.5°C)
82nd Coolest
Coolest since:
1960
47th Warmest
Warmest since:
2012
Ties: 1911, 1962
Feb–May 1990
4-Month
46.5°F
(8.1°C)
44.2°F
(6.8°C)
2.3°F
(1.3°C)
106th Coolest
Coolest since:
1978
23rd Warmest
Warmest since:
2012
Ties: 1927, 1986
Jan–May 1990
5-Month
44.3°F
(6.8°C)
40.1°F
(4.5°C)
4.2°F
(2.3°C)
123rd Coolest
Coolest since:
1978
6th Warmest
Warmest since:
2012
Dec 1989–May 1990
6-Month
39.6°F
(4.2°C)
38.1°F
(3.4°C)
1.5°F
(0.8°C)
93rd Coolest
Coolest since:
1978
35th Warmest
Warmest since:
2012
Ties: 1941, 1973
Nov 1989–May 1990
7-Month
39.5°F
(4.2°C)
38.3°F
(3.5°C)
1.2°F
(0.7°C)
90th Coolest
Coolest since:
1904
38th Warmest
Warmest since:
2012
Ties: 1914, 1931
Oct 1989–May 1990
8-Month
41.4°F
(5.2°C)
40.2°F
(4.6°C)
1.2°F
(0.6°C)
92nd Coolest
Coolest since:
1904
36th Warmest
Warmest since:
2012
Ties: 1922, 1941, 2013
Sep 1989–May 1990
9-Month
43.7°F
(6.5°C)
42.9°F
(6.1°C)
0.8°F
(0.4°C)
81st Coolest
Coolest since:
1904
47th Warmest
Warmest since:
2012
Aug 1989–May 1990
10-Month
46.5°F
(8.1°C)
45.9°F
(7.7°C)
0.6°F
(0.4°C)
80th Coolest
Coolest since:
1904
48th Warmest
Warmest since:
2012
Ties: 1964, 1986, 1988, 1989, 2019
Jul 1989–May 1990
11-Month
49.1°F
(9.5°C)
48.5°F
(9.2°C)
0.6°F
(0.3°C)
79th Coolest
Coolest since:
1904
49th Warmest
Warmest since:
2012
Ties: 1948, 1956, 2011
Jun 1989–May 1990
12-Month
50.8°F
(10.4°C)
50.3°F
(10.2°C)
0.5°F
(0.2°C)
75th Coolest
Coolest since:
1904
53rd Warmest
Warmest since:
2012
Ties: 1896, 1933, 1945, 1964
Dec 1988–May 1990
18-Month
46.8°F
(8.2°C)
46.3°F
(7.9°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1905
47th Warmest
Warmest since:
2017
Ties: 1923, 1972, 1995
Jun 1988–May 1990
24-Month
51.1°F
(10.6°C)
50.3°F
(10.2°C)
0.8°F
(0.4°C)
91st Coolest
Coolest since:
1905
36th Warmest
Warmest since:
2017
Ties: 1938, 1949, 1986, 2019
Jun 1987–May 1990
36-Month
51.1°F
(10.6°C)
50.3°F
(10.2°C)
0.8°F
(0.4°C)
88th Coolest
Coolest since:
1905, 1906
38th Warmest
Warmest since:
2018
Ties: 1950, 1976, 2009
Jun 1986–May 1990
48-Month
51.4°F
(10.8°C)
50.2°F
(10.1°C)
1.2°F
(0.7°C)
98th Coolest
Coolest since:
1905
27th Warmest
Warmest since:
2019
Ties: 2021
Jun 1985–May 1990
60-Month
51.2°F
(10.7°C)
50.2°F
(10.1°C)
1.0°F
(0.6°C)
92nd Coolest
Coolest since:
1905, 1906, 1908
32nd Warmest
Warmest since:
2020
Ties: 1999

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