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 1971

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1971
1-Month
57.1°F
(13.9°C)
59.7°F
(15.4°C)
-2.6°F
(-1.5°C)
34th Coolest Coolest since: 1968 1907
92nd Warmest Warmest since: 1970 1977
Apr–May 1971
2-Month
53.0°F
(11.7°C)
54.0°F
(12.2°C)
-1.0°F
(-0.5°C)
35th Coolest Coolest since: 1967 1907
91st Warmest Warmest since: 1970 1977
Ties: 2002
Mar–May 1971
3-Month
46.3°F
(7.9°C)
47.9°F
(8.8°C)
-1.6°F
(-0.9°C)
32nd Coolest Coolest since: 1966 1960
94th Warmest Warmest since: 1970 2012
Ties: 1913
Feb–May 1971
4-Month
40.7°F
(4.8°C)
41.9°F
(5.5°C)
-1.2°F
(-0.7°C)
41st Coolest Coolest since: 1967 1947
85th Warmest Warmest since: 1970 2012
Ties: 1966
Jan–May 1971
5-Month
35.5°F
(1.9°C)
37.6°F
(3.1°C)
-2.1°F
(-1.2°C)
22nd Coolest Coolest since: 1966 1912
104th Warmest Warmest since: 1970 2012
Dec 1970–May 1971
6-Month
34.0°F
(1.1°C)
35.4°F
(1.9°C)
-1.4°F
(-0.8°C)
24th Coolest Coolest since: 1970 1979
101st Warmest Warmest since: 1970 2012
Ties: 1901, 1910, 1970
Nov 1970–May 1971
7-Month
34.4°F
(1.3°C)
35.7°F
(2.1°C)
-1.3°F
(-0.8°C)
26th Coolest Coolest since: 1970 1904
99th Warmest Warmest since: 1969 2012
Ties: 1929
Oct 1970–May 1971
8-Month
36.7°F
(2.6°C)
37.7°F
(3.2°C)
-1.0°F
(-0.6°C)
28th Coolest Coolest since: 1970 1912
97th Warmest Warmest since: 1969 2012
Ties: 1897, 1924, 1965, 2015, 2019
Sep 1970–May 1971
9-Month
39.7°F
(4.3°C)
40.5°F
(4.7°C)
-0.8°F
(-0.4°C)
30th Coolest Coolest since: 1970 1904
95th Warmest Warmest since: 1969 2012
Ties: 1924, 1962, 1965
Aug 1970–May 1971
10-Month
42.9°F
(6.1°C)
43.6°F
(6.4°C)
-0.7°F
(-0.3°C)
34th Coolest Coolest since: 1970 1904
91st Warmest Warmest since: 1969 2012
Ties: 1968, 1975
Jul 1970–May 1971
11-Month
45.7°F
(7.6°C)
46.3°F
(7.9°C)
-0.6°F
(-0.3°C)
34th Coolest Coolest since: 1970 1904
91st Warmest Warmest since: 1969 2012
Ties: 1910, 1958
Jun 1970–May 1971
12-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
36th Coolest Coolest since: 1970 1904
89th Warmest Warmest since: 1969 2012
Ties: 1958, 1965, 1986
Dec 1969–May 1971
18-Month
43.1°F
(6.2°C)
43.9°F
(6.6°C)
-0.8°F
(-0.4°C)
25th Coolest Coolest since: 1970 1918
99th Warmest Warmest since: 1969 2017
Ties: 1926, 1930, 1937, 1966
Jun 1969–May 1971
24-Month
47.3°F
(8.5°C)
48.2°F
(9.0°C)
-0.9°F
(-0.5°C)
21st Coolest Coolest since: 1963 1905
103rd Warmest Warmest since: 1970 2017
Ties: 1919, 1930, 1959
Jun 1968–May 1971
36-Month
47.5°F
(8.6°C)
48.2°F
(9.0°C)
-0.7°F
(-0.4°C)
24th Coolest Coolest since: 1970 1905, 1918, 1979
99th Warmest Warmest since: 1969 2000
Jun 1967–May 1971
48-Month
47.5°F
(8.6°C)
48.2°F
(9.0°C)
-0.7°F
(-0.4°C)
18th Coolest Coolest since: 1963 1980
104th Warmest Warmest since: 1970 2001, 2002, 2007
Ties: 1912, 1961, 1982
Jun 1966–May 1971
60-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
18th Coolest Coolest since: 1970 1907, 1908
103rd Warmest Warmest since: 1970 2002
Ties: 1909, 1912, 1913, 1916, 1927, 1928, 1970

Citing This Page

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