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


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, April 1971

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1971
1-Month
49.0°F
(9.4°C)
48.3°F
(9.1°C)
0.7°F
(0.3°C)
69th Coolest Coolest since: 1966 2018
57th Warmest Warmest since: 1970 2010
Ties: 1903, 1934
Mar–Apr 1971
2-Month
40.8°F
(4.9°C)
41.9°F
(5.5°C)
-1.1°F
(-0.6°C)
44th Coolest Coolest since: 1969 1926
82nd Warmest Warmest since: 1970 2012
Ties: 1934
Feb–Apr 1971
3-Month
35.2°F
(1.8°C)
36.0°F
(2.2°C)
-0.8°F
(-0.4°C)
50th Coolest Coolest since: 1967 1912, 2014
76th Warmest Warmest since: 1970 2012
Ties: 1941, 1956
Jan–Apr 1971
4-Month
30.0°F
(-1.1°C)
31.9°F
(-0.1°C)
-1.9°F
(-1.0°C)
29th Coolest Coolest since: 1970 1912
97th Warmest Warmest since: 1969 2012
Ties: 1947, 1980, 1996
Dec 1970–Apr 1971
5-Month
29.4°F
(-1.4°C)
30.6°F
(-0.8°C)
-1.2°F
(-0.6°C)
33rd Coolest Coolest since: 1970 1979
92nd Warmest Warmest since: 1969 2012
Ties: 1972
Nov 1970–Apr 1971
6-Month
30.6°F
(-0.8°C)
31.6°F
(-0.2°C)
-1.0°F
(-0.6°C)
32nd Coolest Coolest since: 1970 1912
93rd Warmest Warmest since: 1969 2012
Ties: 1994, 2018
Oct 1970–Apr 1971
7-Month
33.8°F
(1.0°C)
34.5°F
(1.4°C)
-0.7°F
(-0.4°C)
35th Coolest Coolest since: 1970 1912
90th Warmest Warmest since: 1969 2012
Sep 1970–Apr 1971
8-Month
37.6°F
(3.1°C)
38.2°F
(3.4°C)
-0.6°F
(-0.3°C)
38th Coolest Coolest since: 1970 1904, 1912
87th Warmest Warmest since: 1969 2017
Ties: 1937
Aug 1970–Apr 1971
9-Month
41.3°F
(5.2°C)
41.8°F
(5.4°C)
-0.5°F
(-0.2°C)
37th Coolest Coolest since: 1970 1904
88th Warmest Warmest since: 1969 2017
Ties: 1950, 1968
Jul 1970–Apr 1971
10-Month
44.6°F
(7.0°C)
45.0°F
(7.2°C)
-0.4°F
(-0.2°C)
40th Coolest Coolest since: 1970 1904
85th Warmest Warmest since: 1967 2012
Ties: 1930, 1944, 2001
Jun 1970–Apr 1971
11-Month
46.8°F
(8.2°C)
47.2°F
(8.4°C)
-0.4°F
(-0.2°C)
41st Coolest Coolest since: 1970 1904
84th Warmest Warmest since: 1969 2012, 2017
Ties: 1925, 1980
May 1970–Apr 1971
12-Month
48.1°F
(8.9°C)
48.2°F
(9.0°C)
-0.1°F
(-0.1°C)
53rd Coolest Coolest since: 1970 1918
72nd Warmest Warmest since: 1966 2012, 2017
Ties: 1913, 1946, 2001
Nov 1969–Apr 1971
18-Month
41.9°F
(5.5°C)
42.7°F
(5.9°C)
-0.8°F
(-0.4°C)
30th Coolest Coolest since: 1970 1918
94th Warmest Warmest since: 1969 2017
Ties: 1902, 1944, 1994
May 1969–Apr 1971
24-Month
47.4°F
(8.6°C)
48.2°F
(9.0°C)
-0.8°F
(-0.4°C)
26th Coolest Coolest since: 1970 1905
98th Warmest Warmest since: 1969 2017
Ties: 1930, 1962
May 1968–Apr 1971
36-Month
47.5°F
(8.6°C)
48.2°F
(9.0°C)
-0.7°F
(-0.4°C)
20th Coolest Coolest since: 1970 1918
103rd Warmest Warmest since: 1969 2000
Ties: 1899, 1907, 1962, 1978, 2015
May 1967–Apr 1971
48-Month
47.4°F
(8.6°C)
48.1°F
(8.9°C)
-0.7°F
(-0.3°C)
11th Coolest Coolest since: 1970 1980
111th Warmest Warmest since: 1970 2002
Ties: 1908, 1913, 1928, 1929, 1970, 1978, 1981, 1982
May 1966–Apr 1971
60-Month
47.5°F
(8.6°C)
48.1°F
(8.9°C)
-0.6°F
(-0.3°C)
18th Coolest Coolest since: 1963 1920
103rd Warmest Warmest since: 1970 2002, 2006
Ties: 1997

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published December 2019, retrieved on December 15, 2019 from https://www.ncdc.noaa.gov/cag/