Climate at a Glance

Divisional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of May 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, May 1978

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 1978
1-Month
60.7°F
(15.9°C)
62.3°F
(16.8°C)
-1.6°F
(-0.9°C)
39th Coolest Coolest since: 1976 1924
89th Warmest Warmest since: 1977 2018
Ties: 1920, 1923
Apr–May 1978
2-Month
56.4°F
(13.6°C)
56.8°F
(13.8°C)
-0.4°F
(-0.2°C)
47th Coolest Coolest since: 1973 1907
81st Warmest Warmest since: 1977 1896
Ties: 2009, 2021
Mar–May 1978
3-Month
48.3°F
(9.1°C)
50.9°F
(10.5°C)
-2.6°F
(-1.4°C)
10th Coolest Coolest since: 1961 1960
118th Warmest Warmest since: 1977 2012
Ties: 1940, 1961
Feb–May 1978
4-Month
40.2°F
(4.6°C)
45.2°F
(7.3°C)
-5.0°F
(-2.7°C)
1st Coolest Coolest to Date 1978
127th Warmest Warmest since: 1977 2012
Jan–May 1978
5-Month
35.0°F
(1.7°C)
40.9°F
(4.9°C)
-5.9°F
(-3.2°C)
1st Coolest Coolest to Date 1978
127th Warmest Warmest since: 1977 2012
Dec 1977–May 1978
6-Month
33.2°F
(0.7°C)
38.8°F
(3.8°C)
-5.6°F
(-3.1°C)
1st Coolest Coolest to Date 1978
126th Warmest Warmest since: 1977 2012
Nov 1977–May 1978
7-Month
34.2°F
(1.2°C)
39.0°F
(3.9°C)
-4.8°F
(-2.7°C)
1st Coolest Coolest to Date 1978
126th Warmest Warmest since: 1977 2012
Oct 1977–May 1978
8-Month
36.4°F
(2.4°C)
40.9°F
(4.9°C)
-4.5°F
(-2.5°C)
1st Coolest Coolest to Date 1978
126th Warmest Warmest since: 1977 2012
Sep 1977–May 1978
9-Month
39.8°F
(4.3°C)
43.7°F
(6.5°C)
-3.9°F
(-2.2°C)
1st Coolest Coolest to Date 1978
126th Warmest Warmest since: 1977 2012
Aug 1977–May 1978
10-Month
42.9°F
(6.1°C)
46.7°F
(8.2°C)
-3.8°F
(-2.1°C)
1st Coolest Coolest to Date 1978
126th Warmest Warmest since: 1977 2012
Jul 1977–May 1978
11-Month
46.2°F
(7.9°C)
49.4°F
(9.7°C)
-3.2°F
(-1.8°C)
2nd Coolest Coolest since: 1904 1904
125th Warmest Warmest since: 1977 2012
Jun 1977–May 1978
12-Month
48.3°F
(9.1°C)
51.3°F
(10.7°C)
-3.0°F
(-1.6°C)
2nd Coolest Coolest since: 1904 1904
125th Warmest Warmest since: 1977 2012
Dec 1976–May 1978
18-Month
45.0°F
(7.2°C)
47.1°F
(8.4°C)
-2.1°F
(-1.2°C)
6th Coolest Coolest since: 1918 1979
120th Warmest Warmest since: 1977 2017
Jun 1976–May 1978
24-Month
48.9°F
(9.4°C)
51.3°F
(10.7°C)
-2.4°F
(-1.3°C)
3rd Coolest Coolest since: 1905 1905
123rd Warmest Warmest since: 1977 2017
Jun 1975–May 1978
36-Month
50.2°F
(10.1°C)
51.3°F
(10.7°C)
-1.1°F
(-0.6°C)
9th Coolest Coolest since: 1971 1979
116th Warmest Warmest since: 1977 2018
Ties: 1971
Jun 1974–May 1978
48-Month
50.1°F
(10.1°C)
51.2°F
(10.7°C)
-1.1°F
(-0.6°C)
6th Coolest Coolest since: 1971 1980
118th Warmest Warmest since: 1977 1935
Ties: 1918, 1971, 1981
Jun 1973–May 1978
60-Month
50.6°F
(10.3°C)
51.2°F
(10.7°C)
-0.6°F
(-0.4°C)
17th Coolest Coolest since: 1972 1906, 1907, 1979
106th Warmest Warmest since: 1977 1935
Ties: 1919, 1969, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published June 2021, retrieved on June 14, 2021 from https://www.ncdc.noaa.gov/cag/