Climate at a Glance

City 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 July 2019. For more information, please see Climatological Rankings.


Rockford, Illinois

Average Temperature Rankings, April 1979

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Period Value 1981-2010
Mean
Amomaly Rank
(1951-2019)
Warmest/Coolest
Since
Record
April 1979
1-Month
43.3°F
(6.3°C)
49.1°F
(9.5°C)
-5.8°F
(-3.2°C)
4th Coolest Coolest since: 1975 2018
66th Warmest Warmest since: 1978 1977
Mar–Apr 1979
2-Month
37.7°F
(3.2°C)
43.0°F
(6.1°C)
-5.3°F
(-2.9°C)
5th Coolest Coolest since: 1975 1975
65th Warmest Warmest since: 1978 2012
Ties: 1984
Feb–Apr 1979
3-Month
29.5°F
(-1.4°C)
37.1°F
(2.8°C)
-7.6°F
(-4.2°C)
1st Coolest Coolest to Date 1979
68th Warmest Warmest since: 1978 2012
Jan–Apr 1979
4-Month
24.2°F
(-4.3°C)
33.2°F
(0.7°C)
-9.0°F
(-5.0°C)
1st Coolest Coolest to Date 1979
68th Warmest Warmest since: 1978 2012
Dec 1978–Apr 1979
5-Month
23.8°F
(-4.6°C)
31.6°F
(-0.2°C)
-7.8°F
(-4.4°C)
1st Coolest Coolest to Date 1979
66th Warmest Warmest since: 1978 2012
Nov 1978–Apr 1979
6-Month
26.2°F
(-3.2°C)
32.7°F
(0.4°C)
-6.5°F
(-3.6°C)
1st Coolest Coolest to Date 1979
66th Warmest Warmest since: 1978 2012
Oct 1978–Apr 1979
7-Month
29.7°F
(-1.3°C)
35.4°F
(1.9°C)
-5.7°F
(-3.2°C)
1st Coolest Coolest to Date 1979
66th Warmest Warmest since: 1978 2012
Sep 1978–Apr 1979
8-Month
34.5°F
(1.4°C)
38.9°F
(3.8°C)
-4.4°F
(-2.4°C)
2nd Coolest Coolest since: 1978 1978
65th Warmest Warmest since: 1977 2017
Ties: 2014
Aug 1978–Apr 1979
9-Month
38.7°F
(3.7°C)
42.5°F
(5.8°C)
-3.8°F
(-2.1°C)
3rd Coolest Coolest since: 1978 1978
64th Warmest Warmest since: 1976 2017
Ties: 2014
Jul 1978–Apr 1979
10-Month
42.1°F
(5.6°C)
45.6°F
(7.6°C)
-3.5°F
(-2.0°C)
2nd Coolest Coolest since: 1978 1978
65th Warmest Warmest since: 1977 2017
Ties: 2014
Jun 1978–Apr 1979
11-Month
44.6°F
(7.0°C)
47.8°F
(8.8°C)
-3.2°F
(-1.8°C)
2nd Coolest Coolest since: 1978 1978
65th Warmest Warmest since: 1977 2017
Ties: 1977, 2014
May 1978–Apr 1979
12-Month
45.8°F
(7.7°C)
48.8°F
(9.3°C)
-3.0°F
(-1.6°C)
2nd Coolest Coolest since: 1977 1977
65th Warmest Warmest since: 1978 2017
Nov 1977–Apr 1979
18-Month
39.4°F
(4.1°C)
43.4°F
(6.3°C)
-4.0°F
(-2.2°C)
1st Coolest Coolest to Date 1979
63rd Warmest Warmest since: 1978 2017
May 1977–Apr 1979
24-Month
46.0°F
(7.8°C)
48.8°F
(9.3°C)
-2.8°F
(-1.5°C)
2nd Coolest Coolest since: 1978 1978
62nd Warmest Warmest since: 1977 2017
May 1976–Apr 1979
36-Month
45.8°F
(7.7°C)
48.7°F
(9.3°C)
-2.9°F
(-1.6°C)
1st Coolest Coolest to Date 1979
60th Warmest Warmest since: 1978 2018
May 1975–Apr 1979
48-Month
46.8°F
(8.2°C)
48.7°F
(9.3°C)
-1.9°F
(-1.1°C)
2nd Coolest Coolest to Date 1980
56th Warmest Warmest since: 1978 2019
May 1974–Apr 1979
60-Month
46.8°F
(8.2°C)
48.6°F
(9.2°C)
-1.8°F
(-1.0°C)
1st Coolest Coolest to Date 1979, 1981
54th Warmest Warmest since: 1978 2002, 2006
Ties: 1981

Citing This Page

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