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 1909

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1909
1-Month
57.0°F
(13.9°C)
59.7°F
(15.4°C)
-2.7°F
(-1.5°C)
32nd Coolest Coolest since: 1907 1907
94th Warmest Warmest since: 1908 1977
Ties: 1943
Apr–May 1909
2-Month
50.9°F
(10.5°C)
54.0°F
(12.2°C)
-3.1°F
(-1.7°C)
10th Coolest Coolest since: 1907 1907
116th Warmest Warmest since: 1908 1977
Mar–May 1909
3-Month
45.1°F
(7.3°C)
47.8°F
(8.8°C)
-2.7°F
(-1.5°C)
14th Coolest Coolest since: 1907 1960
112th Warmest Warmest since: 1908 2012
Feb–May 1909
4-Month
40.8°F
(4.9°C)
42.0°F
(5.6°C)
-1.2°F
(-0.7°C)
43rd Coolest Coolest since: 1907 1947
83rd Warmest Warmest since: 1908 2012
Ties: 1929, 1982
Jan–May 1909
5-Month
37.1°F
(2.8°C)
37.5°F
(3.1°C)
-0.4°F
(-0.3°C)
52nd Coolest Coolest since: 1907 1912
74th Warmest Warmest since: 1908 2012
Ties: 1902
Dec 1908–May 1909
6-Month
35.3°F
(1.8°C)
35.4°F
(1.9°C)
-0.1°F
(-0.1°C)
58th Coolest Coolest since: 1907 1979
67th Warmest Warmest since: 1908 2012
Ties: 1913, 1980, 2015
Nov 1908–May 1909
7-Month
35.7°F
(2.1°C)
35.7°F
(2.1°C)
0.0°F
(0.0°C)
66th Coolest Coolest since: 1907 1904
59th Warmest Warmest since: 1908 2012
Ties: 1906, 1913, 1927
Oct 1908–May 1909
8-Month
37.6°F
(3.1°C)
37.7°F
(3.2°C)
-0.1°F
(-0.1°C)
55th Coolest Coolest since: 1907 1912
70th Warmest Warmest since: 1908 2012
Ties: 1930, 1966, 1975, 2001, 2003, 2008
Sep 1908–May 1909
9-Month
40.9°F
(4.9°C)
40.6°F
(4.8°C)
0.3°F
(0.1°C)
75th Coolest Coolest since: 1908 1904
50th Warmest Warmest since: 1903 2012
Ties: 1911, 1945, 1988, 2003
Aug 1908–May 1909
10-Month
43.8°F
(6.6°C)
43.6°F
(6.4°C)
0.2°F
(0.2°C)
69th Coolest Coolest since: 1908 1904
56th Warmest Warmest since: 1906 2012
Ties: 1900, 1901, 1906, 1935, 1937, 1953, 2001
Jul 1908–May 1909
11-Month
46.4°F
(8.0°C)
46.3°F
(7.9°C)
0.1°F
(0.1°C)
60th Coolest Coolest since: 1908 1904
65th Warmest Warmest since: 1901 2012
Ties: 1900, 1901, 1944, 1961
Jun 1908–May 1909
12-Month
48.2°F
(9.0°C)
48.3°F
(9.1°C)
-0.1°F
(-0.1°C)
56th Coolest Coolest since: 1908 1904
69th Warmest Warmest since: 1902 2012
Ties: 1901, 1923, 2019
Dec 1907–May 1909
18-Month
44.3°F
(6.8°C)
43.9°F
(6.6°C)
0.4°F
(0.2°C)
75th Coolest Coolest since: 1908 1918
49th Warmest Warmest since: 1898 2017
Ties: 1928, 1947, 1949, 1957, 1995
Jun 1907–May 1909
24-Month
48.0°F
(8.9°C)
48.2°F
(9.0°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest since: 1908 1905
79th Warmest Warmest since: 1903 2017
Ties: 1898, 1920, 1924, 1928, 1947
Jun 1906–May 1909
36-Month
47.9°F
(8.8°C)
48.2°F
(9.0°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1908 1905, 1918, 1979
81st Warmest Warmest since: 1908 2000
Ties: 1908, 1959, 1964, 1996
Jun 1905–May 1909
48-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
39th Coolest Coolest since: 1908 1980
83rd Warmest Warmest since: 1903 2001, 2002, 2007
Ties: 1901, 1914, 1915, 1966, 1972, 1973
Jun 1904–May 1909
60-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
18th Coolest Coolest since: 1908 1907, 1908
103rd Warmest Warmest since: 1903 2002
Ties: 1912, 1913, 1916, 1927, 1928, 1970, 1971

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/