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 1977

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Period Value 1981-2010
Mean
Amomaly Rank
(1951-2019)
Warmest/Coolest
Since
Record
April 1977
1-Month
55.5°F
(13.1°C)
49.1°F
(9.5°C)
6.4°F
(3.6°C)
69th Coolest Coolest since: 1976 2018
1st Warmest Warmest to Date 1977
Mar–Apr 1977
2-Month
49.1°F
(9.5°C)
43.0°F
(6.1°C)
6.1°F
(3.4°C)
68th Coolest Coolest since: 1976 1975
2nd Warmest Warmest to Date 2012
Feb–Apr 1977
3-Month
40.7°F
(4.8°C)
37.2°F
(2.9°C)
3.5°F
(1.9°C)
63rd Coolest Coolest since: 1976 1979
6th Warmest Warmest to Date 2012
Ties: 2016
Jan–Apr 1977
4-Month
32.1°F
(0.1°C)
33.2°F
(0.7°C)
-1.1°F
(-0.6°C)
38th Coolest Coolest since: 1975 1979
31st Warmest Warmest since: 1976 2012
Dec 1976–Apr 1977
5-Month
28.7°F
(-1.8°C)
31.6°F
(-0.2°C)
-2.9°F
(-1.6°C)
12th Coolest Coolest since: 1970 1979
55th Warmest Warmest since: 1976 2012
Nov 1976–Apr 1977
6-Month
28.7°F
(-1.8°C)
32.7°F
(0.4°C)
-4.0°F
(-2.2°C)
6th Coolest Coolest since: 1962 1979
61st Warmest Warmest since: 1976 2012
Ties: 1962, 1996
Oct 1976–Apr 1977
7-Month
31.1°F
(-0.5°C)
35.4°F
(1.9°C)
-4.3°F
(-2.4°C)
4th Coolest Coolest to Date 1979
63rd Warmest Warmest since: 1976 2012
Sep 1976–Apr 1977
8-Month
34.8°F
(1.6°C)
38.9°F
(3.8°C)
-4.1°F
(-2.2°C)
4th Coolest Coolest to Date 1978
63rd Warmest Warmest since: 1976 2017
Aug 1976–Apr 1977
9-Month
38.6°F
(3.7°C)
42.5°F
(5.8°C)
-3.9°F
(-2.1°C)
2nd Coolest Coolest to Date 1978
65th Warmest Warmest since: 1976 2017
Jul 1976–Apr 1977
10-Month
42.2°F
(5.7°C)
45.7°F
(7.6°C)
-3.5°F
(-1.9°C)
4th Coolest Coolest to Date 1978
63rd Warmest Warmest since: 1976 2017
Jun 1976–Apr 1977
11-Month
44.6°F
(7.0°C)
47.8°F
(8.8°C)
-3.2°F
(-1.8°C)
2nd Coolest Coolest to Date 1978
65th Warmest Warmest since: 1976 2017
Ties: 1979, 2014
May 1976–Apr 1977
12-Month
45.5°F
(7.5°C)
48.8°F
(9.3°C)
-3.3°F
(-1.8°C)
1st Coolest Coolest to Date 1977
66th Warmest Warmest since: 1976 2017
Nov 1975–Apr 1977
18-Month
41.9°F
(5.5°C)
43.4°F
(6.3°C)
-1.5°F
(-0.8°C)
16th Coolest Coolest since: 1971 1979
48th Warmest Warmest since: 1976 2017
Ties: 1965, 1985
May 1975–Apr 1977
24-Month
47.7°F
(8.7°C)
48.8°F
(9.3°C)
-1.1°F
(-0.6°C)
17th Coolest Coolest since: 1971 1978
47th Warmest Warmest since: 1976 2017
May 1974–Apr 1977
36-Month
47.3°F
(8.5°C)
48.7°F
(9.3°C)
-1.4°F
(-0.8°C)
8th Coolest Coolest since: 1971 1979
53rd Warmest Warmest since: 1976 2018
Ties: 1961
May 1973–Apr 1977
48-Month
47.7°F
(8.7°C)
48.7°F
(9.3°C)
-1.0°F
(-0.6°C)
17th Coolest Coolest since: 1973 1980
41st Warmest Warmest since: 1976 2019
Ties: 1959, 1964, 1969, 1973
May 1972–Apr 1977
60-Month
47.9°F
(8.8°C)
48.6°F
(9.2°C)
-0.7°F
(-0.4°C)
21st Coolest Coolest since: 1973 1979, 1981
34th Warmest Warmest since: 1976 2002, 2006
Ties: 1959, 1967, 1968, 1984, 1998

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published August 2019, retrieved on August 20, 2019 from https://www.ncdc.noaa.gov/cag/