Divisional Rankings

Divisional Data Info
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Illinois, Climate Division 5. East

Average Temperature Rankings, May 1978

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 1978
1-Month
59.6°F
(15.3°C)
61.0°F
(16.1°C)
-1.4°F
(-0.8°C)
45th Coolest
Coolest since:
1907
84th Warmest
Warmest since:
2018
Ties: 1996
Apr–May 1978
2-Month
55.4°F
(13.0°C)
55.5°F
(13.1°C)
-0.1°F
(-0.1°C)
52nd Coolest
Coolest since:
1907
77th Warmest
Warmest since:
1977
Ties: 1908, 1975
Mar–May 1978
3-Month
47.5°F
(8.6°C)
49.7°F
(9.8°C)
-2.2°F
(-1.2°C)
20th Coolest
Coolest since:
1960
109th Warmest
Warmest since:
2012
Ties: 1931
Feb–May 1978
4-Month
39.4°F
(4.1°C)
44.2°F
(6.8°C)
-4.8°F
(-2.7°C)
1st Coolest
Coolest since:
1978
128th Warmest
Warmest since:
2012
Jan–May 1978
5-Month
34.4°F
(1.3°C)
40.1°F
(4.5°C)
-5.7°F
(-3.2°C)
1st Coolest
Coolest since:
1978
128th Warmest
Warmest since:
2012
Dec 1977–May 1978
6-Month
32.6°F
(0.3°C)
38.1°F
(3.4°C)
-5.5°F
(-3.1°C)
1st Coolest
Coolest since:
1978
127th Warmest
Warmest since:
2012
Nov 1977–May 1978
7-Month
33.8°F
(1.0°C)
38.3°F
(3.5°C)
-4.5°F
(-2.5°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Oct 1977–May 1978
8-Month
35.9°F
(2.2°C)
40.2°F
(4.6°C)
-4.3°F
(-2.4°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Sep 1977–May 1978
9-Month
39.3°F
(4.1°C)
43.0°F
(6.1°C)
-3.7°F
(-2.0°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Aug 1977–May 1978
10-Month
42.4°F
(5.8°C)
45.9°F
(7.7°C)
-3.5°F
(-1.9°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Jul 1977–May 1978
11-Month
45.5°F
(7.5°C)
48.5°F
(9.2°C)
-3.0°F
(-1.7°C)
2nd Coolest
Coolest since:
1904
126th Warmest
Warmest since:
2012
Ties: 1918
Jun 1977–May 1978
12-Month
47.4°F
(8.6°C)
50.3°F
(10.2°C)
-2.9°F
(-1.6°C)
3rd Coolest
Coolest since:
1904
125th Warmest
Warmest since:
2012
Dec 1976–May 1978
18-Month
44.2°F
(6.8°C)
46.3°F
(7.9°C)
-2.1°F
(-1.1°C)
5th Coolest
Coolest since:
1905
122nd Warmest
Warmest since:
2017
Jun 1976–May 1978
24-Month
47.9°F
(8.8°C)
50.3°F
(10.2°C)
-2.4°F
(-1.4°C)
2nd Coolest
Coolest since:
1905
125th Warmest
Warmest since:
2017
Jun 1975–May 1978
36-Month
49.2°F
(9.6°C)
50.3°F
(10.2°C)
-1.1°F
(-0.6°C)
11th Coolest
Coolest since:
1905, 1906
115th Warmest
Warmest since:
2018
Ties: 1970
Jun 1974–May 1978
48-Month
49.4°F
(9.7°C)
50.3°F
(10.2°C)
-0.9°F
(-0.5°C)
14th Coolest
Coolest since:
1905
111th Warmest
Warmest since:
2019
Ties: 1912, 1970, 1971
Jun 1973–May 1978
60-Month
49.8°F
(9.9°C)
50.2°F
(10.1°C)
-0.4°F
(-0.2°C)
29th Coolest
Coolest since:
1905, 1906, 1908
95th Warmest
Warmest since:
2020
Ties: 1900, 1911, 1921, 1927, 1964, 1969, 1972, 1983

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