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 August 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, May 1978

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1978
1-Month
59.1°F
(15.1°C)
59.7°F
(15.4°C)
-0.6°F
(-0.3°C)
52nd Coolest Coolest since: 1976 1907
74th Warmest Warmest since: 1977 1977
Ties: 1942
Apr–May 1978
2-Month
54.1°F
(12.3°C)
54.0°F
(12.2°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1976 1907
68th Warmest Warmest since: 1977 1977
Ties: 1976
Mar–May 1978
3-Month
46.2°F
(7.9°C)
47.9°F
(8.8°C)
-1.7°F
(-0.9°C)
27th Coolest Coolest since: 1975 1960
99th Warmest Warmest since: 1977 2012
Ties: 1899, 1931, 1966, 1997
Feb–May 1978
4-Month
38.0°F
(3.3°C)
41.9°F
(5.5°C)
-3.9°F
(-2.2°C)
6th Coolest Coolest since: 1960 1947
120th Warmest Warmest since: 1977 2012
Ties: 1912, 1979
Jan–May 1978
5-Month
32.7°F
(0.4°C)
37.5°F
(3.1°C)
-4.8°F
(-2.7°C)
3rd Coolest Coolest since: 1912 1912
123rd Warmest Warmest since: 1977 2012
Ties: 2014
Dec 1977–May 1978
6-Month
30.6°F
(-0.8°C)
35.4°F
(1.9°C)
-4.8°F
(-2.7°C)
4th Coolest Coolest since: 1904 1979
121st Warmest Warmest since: 1977 2012
Nov 1977–May 1978
7-Month
31.6°F
(-0.2°C)
35.6°F
(2.0°C)
-4.0°F
(-2.2°C)
5th Coolest Coolest since: 1912 1904
120th Warmest Warmest since: 1977 2012
Oct 1977–May 1978
8-Month
33.8°F
(1.0°C)
37.7°F
(3.2°C)
-3.9°F
(-2.2°C)
4th Coolest Coolest since: 1912 1912
121st Warmest Warmest since: 1977 2012
Ties: 2014
Sep 1977–May 1978
9-Month
37.2°F
(2.9°C)
40.6°F
(4.8°C)
-3.4°F
(-1.9°C)
3rd Coolest Coolest since: 1912 1904
122nd Warmest Warmest since: 1977 2012
Aug 1977–May 1978
10-Month
40.3°F
(4.6°C)
43.6°F
(6.4°C)
-3.3°F
(-1.8°C)
3rd Coolest Coolest since: 1912 1904
122nd Warmest Warmest since: 1977 2012
Jul 1977–May 1978
11-Month
43.5°F
(6.4°C)
46.4°F
(8.0°C)
-2.9°F
(-1.6°C)
3rd Coolest Coolest since: 1912 1904
122nd Warmest Warmest since: 1977 2012
Jun 1977–May 1978
12-Month
45.5°F
(7.5°C)
48.2°F
(9.0°C)
-2.7°F
(-1.5°C)
3rd Coolest Coolest since: 1918 1904
122nd Warmest Warmest since: 1977 2012
Dec 1976–May 1978
18-Month
42.2°F
(5.7°C)
44.0°F
(6.7°C)
-1.8°F
(-1.0°C)
7th Coolest Coolest since: 1918 1918
117th Warmest Warmest since: 1977 2017
Jun 1976–May 1978
24-Month
46.2°F
(7.9°C)
48.2°F
(9.0°C)
-2.0°F
(-1.1°C)
5th Coolest Coolest since: 1918 1905
119th Warmest Warmest since: 1977 2017
Jun 1975–May 1978
36-Month
47.4°F
(8.6°C)
48.2°F
(9.0°C)
-0.8°F
(-0.4°C)
16th Coolest Coolest since: 1970 1905, 1918, 1979
107th Warmest Warmest since: 1977 2000
Ties: 1899, 1913, 1926, 1961, 1963, 1970, 2015
Jun 1974–May 1978
48-Month
47.4°F
(8.6°C)
48.2°F
(9.0°C)
-0.8°F
(-0.4°C)
11th Coolest Coolest since: 1963 1980
111th Warmest Warmest since: 1977 2001, 2002, 2007
Ties: 1908, 1913, 1927, 1929, 1962, 1963
Jun 1973–May 1978
60-Month
47.8°F
(8.8°C)
48.2°F
(9.0°C)
-0.4°F
(-0.2°C)
28th Coolest Coolest since: 1972 1907, 1908
93rd Warmest Warmest since: 1977 2002
Ties: 1903, 1917, 1921, 1952, 1953, 1960, 1961, 1964, 1966, 1972, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/