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 1979

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1979
1-Month
59.7°F
(15.4°C)
59.7°F
(15.4°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1978 1907
66th Warmest Warmest since: 1977 1977
Ties: 1992, 1994
Apr–May 1979
2-Month
52.4°F
(11.3°C)
54.0°F
(12.2°C)
-1.6°F
(-0.9°C)
25th Coolest Coolest since: 1973 1907
101st Warmest Warmest since: 1978 1977
Mar–May 1979
3-Month
46.4°F
(8.0°C)
47.9°F
(8.8°C)
-1.5°F
(-0.8°C)
34th Coolest Coolest since: 1978 1960
92nd Warmest Warmest since: 1977 2012
Ties: 1937
Feb–May 1979
4-Month
38.0°F
(3.3°C)
42.0°F
(5.6°C)
-4.0°F
(-2.3°C)
6th Coolest Coolest since: 1978 1947
120th Warmest Warmest since: 1978 2012
Ties: 1912, 1978
Jan–May 1979
5-Month
31.8°F
(-0.1°C)
37.5°F
(3.1°C)
-5.7°F
(-3.2°C)
2nd Coolest Coolest since: 1912 1912
124th Warmest Warmest since: 1978 2012
Dec 1978–May 1979
6-Month
30.1°F
(-1.1°C)
35.4°F
(1.9°C)
-5.3°F
(-3.0°C)
1st Coolest Coolest to Date 1979
124th Warmest Warmest since: 1978 2012
Nov 1978–May 1979
7-Month
31.3°F
(-0.4°C)
35.7°F
(2.1°C)
-4.4°F
(-2.5°C)
4th Coolest Coolest since: 1912 1904
121st Warmest Warmest since: 1978 2012
Oct 1978–May 1979
8-Month
33.6°F
(0.9°C)
37.7°F
(3.2°C)
-4.1°F
(-2.3°C)
3rd Coolest Coolest since: 1912 1912
122nd Warmest Warmest since: 1978 2012
Sep 1978–May 1979
9-Month
37.5°F
(3.1°C)
40.6°F
(4.8°C)
-3.1°F
(-1.7°C)
5th Coolest Coolest since: 1978 1904
120th Warmest Warmest since: 1977 2012
Ties: 1918
Aug 1978–May 1979
10-Month
40.9°F
(4.9°C)
43.7°F
(6.5°C)
-2.8°F
(-1.6°C)
6th Coolest Coolest since: 1978 1904
119th Warmest Warmest since: 1977 2012
Ties: 1899
Jul 1978–May 1979
11-Month
43.7°F
(6.5°C)
46.3°F
(7.9°C)
-2.6°F
(-1.4°C)
6th Coolest Coolest since: 1978 1904
119th Warmest Warmest since: 1977 2012
Jun 1978–May 1979
12-Month
45.9°F
(7.7°C)
48.3°F
(9.1°C)
-2.4°F
(-1.4°C)
6th Coolest Coolest since: 1978 1904
119th Warmest Warmest since: 1977 2012
Dec 1977–May 1979
18-Month
40.8°F
(4.9°C)
43.9°F
(6.6°C)
-3.1°F
(-1.7°C)
2nd Coolest Coolest since: 1918 1918
122nd Warmest Warmest since: 1978 2017
Ties: 1905
Jun 1977–May 1979
24-Month
45.7°F
(7.6°C)
48.2°F
(9.0°C)
-2.5°F
(-1.4°C)
2nd Coolest Coolest since: 1905 1905
122nd Warmest Warmest since: 1978 2017
Jun 1976–May 1979
36-Month
46.1°F
(7.8°C)
48.2°F
(9.0°C)
-2.1°F
(-1.2°C)
1st Coolest Coolest since: 1918 1905, 1918, 1979
122nd Warmest Warmest since: 1978 2000
Ties: 1905, 1918
Jun 1975–May 1979
48-Month
47.0°F
(8.3°C)
48.2°F
(9.0°C)
-1.2°F
(-0.7°C)
7th Coolest Coolest since: 1920 1980
115th Warmest Warmest since: 1978 2001, 2002, 2007
Ties: 1920
Jun 1974–May 1979
60-Month
47.1°F
(8.4°C)
48.2°F
(9.0°C)
-1.1°F
(-0.6°C)
6th Coolest Coolest since: 1920 1907, 1908
115th Warmest Warmest since: 1978 2002
Ties: 1981, 1982

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/