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 1951

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1951
1-Month
61.7°F
(16.5°C)
59.7°F
(15.4°C)
2.0°F
(1.1°C)
85th Coolest Coolest since: 1950 1907
41st Warmest Warmest since: 1949 1977
Ties: 1949
Apr–May 1951
2-Month
53.5°F
(11.9°C)
54.0°F
(12.2°C)
-0.5°F
(-0.3°C)
45th Coolest Coolest since: 1950 1907
81st Warmest Warmest since: 1949 1977
Ties: 1901
Mar–May 1951
3-Month
46.1°F
(7.8°C)
47.9°F
(8.8°C)
-1.8°F
(-1.0°C)
21st Coolest Coolest since: 1950 1960
105th Warmest Warmest since: 1949 2012
Ties: 1897, 1906, 1920, 2013, 2014
Feb–May 1951
4-Month
40.4°F
(4.7°C)
41.9°F
(5.5°C)
-1.5°F
(-0.8°C)
35th Coolest Coolest since: 1950 1947
91st Warmest Warmest since: 1949 2012
Ties: 1906, 1937
Jan–May 1951
5-Month
36.1°F
(2.3°C)
37.6°F
(3.1°C)
-1.5°F
(-0.8°C)
30th Coolest Coolest since: 1950 1912
96th Warmest Warmest since: 1950 2012
Ties: 1950, 1965
Dec 1950–May 1951
6-Month
32.8°F
(0.4°C)
35.4°F
(1.9°C)
-2.6°F
(-1.5°C)
12th Coolest Coolest since: 1936 1979
113th Warmest Warmest since: 1950 2012
Nov 1950–May 1951
7-Month
32.6°F
(0.3°C)
35.6°F
(2.0°C)
-3.0°F
(-1.7°C)
10th Coolest Coolest since: 1936 1904
115th Warmest Warmest since: 1950 2012
Oct 1950–May 1951
8-Month
35.6°F
(2.0°C)
37.7°F
(3.2°C)
-2.1°F
(-1.2°C)
15th Coolest Coolest since: 1936 1912
110th Warmest Warmest since: 1950 2012
Sep 1950–May 1951
9-Month
38.6°F
(3.7°C)
40.6°F
(4.8°C)
-2.0°F
(-1.1°C)
12th Coolest Coolest since: 1936 1904
113th Warmest Warmest since: 1950 2012
Ties: 1905, 1926
Aug 1950–May 1951
10-Month
41.4°F
(5.2°C)
43.6°F
(6.4°C)
-2.2°F
(-1.2°C)
10th Coolest Coolest since: 1936 1904
115th Warmest Warmest since: 1950 2012
Ties: 1905, 1917
Jul 1950–May 1951
11-Month
44.0°F
(6.7°C)
46.3°F
(7.9°C)
-2.3°F
(-1.2°C)
8th Coolest Coolest since: 1918 1904
117th Warmest Warmest since: 1950 2012
Jun 1950–May 1951
12-Month
46.0°F
(7.8°C)
48.2°F
(9.0°C)
-2.2°F
(-1.2°C)
7th Coolest Coolest since: 1918 1904
118th Warmest Warmest since: 1950 2012
Dec 1949–May 1951
18-Month
42.3°F
(5.7°C)
44.0°F
(6.7°C)
-1.7°F
(-1.0°C)
8th Coolest Coolest since: 1918 1918
116th Warmest Warmest since: 1950 2017
Ties: 1913, 1917, 1952
Jun 1949–May 1951
24-Month
47.2°F
(8.4°C)
48.2°F
(9.0°C)
-1.0°F
(-0.6°C)
16th Coolest Coolest since: 1927 1905
108th Warmest Warmest since: 1950 2017
Ties: 1900, 1912, 1926, 1927
Jun 1948–May 1951
36-Month
47.8°F
(8.8°C)
48.2°F
(9.0°C)
-0.4°F
(-0.2°C)
34th Coolest Coolest since: 1930 1905, 1918, 1979
89th Warmest Warmest since: 1950 2000
Ties: 1900, 1910, 1925, 1967, 1969, 1972, 1997
Jun 1947–May 1951
48-Month
48.0°F
(8.9°C)
48.2°F
(9.0°C)
-0.2°F
(-0.1°C)
46th Coolest Coolest since: 1930 1980
76th Warmest Warmest since: 1950 2001, 2002, 2007
Ties: 1911, 1954, 1959, 1964
Jun 1946–May 1951
60-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
40th Coolest Coolest since: 1930 1907, 1908
81st Warmest Warmest since: 1950 2002
Ties: 1900, 1910, 1914, 1965, 1967

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/