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 1950

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Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1950
1-Month
60.3°F
(15.7°C)
59.7°F
(15.4°C)
0.6°F
(0.3°C)
68th Coolest Coolest since: 1948 1907
58th Warmest Warmest since: 1949 1977
Ties: 1899, 1906, 1933
Apr–May 1950
2-Month
51.0°F
(10.6°C)
54.1°F
(12.3°C)
-3.1°F
(-1.7°C)
11th Coolest Coolest since: 1947 1907
115th Warmest Warmest since: 1949 1977
Mar–May 1950
3-Month
44.2°F
(6.8°C)
47.8°F
(8.8°C)
-3.6°F
(-2.0°C)
3rd Coolest Coolest since: 1947 1960
123rd Warmest Warmest since: 1949 2012
Feb–May 1950
4-Month
38.9°F
(3.8°C)
41.9°F
(5.5°C)
-3.0°F
(-1.7°C)
12th Coolest Coolest since: 1947 1947
114th Warmest Warmest since: 1949 2012
Jan–May 1950
5-Month
36.1°F
(2.3°C)
37.5°F
(3.1°C)
-1.4°F
(-0.8°C)
30th Coolest Coolest since: 1947 1912
96th Warmest Warmest since: 1949 2012
Ties: 1951, 1965
Dec 1949–May 1950
6-Month
34.9°F
(1.6°C)
35.4°F
(1.9°C)
-0.5°F
(-0.3°C)
45th Coolest Coolest since: 1947 1979
80th Warmest Warmest since: 1949 2012
Ties: 1961, 1972
Nov 1949–May 1950
7-Month
35.4°F
(1.9°C)
35.6°F
(2.0°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 1948 1904
72nd Warmest Warmest since: 1949 2012
Ties: 1910, 1972
Oct 1949–May 1950
8-Month
37.9°F
(3.3°C)
37.7°F
(3.2°C)
0.2°F
(0.1°C)
71st Coolest Coolest since: 1948 1912
54th Warmest Warmest since: 1949 2012
Ties: 1900, 1944, 1945, 1948
Sep 1949–May 1950
9-Month
40.1°F
(4.5°C)
40.6°F
(4.8°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1943 1904
85th Warmest Warmest since: 1949 2012
Ties: 1901, 1916, 1993, 2019
Aug 1949–May 1950
10-Month
43.2°F
(6.2°C)
43.6°F
(6.4°C)
-0.4°F
(-0.2°C)
43rd Coolest Coolest since: 1947 1904
82nd Warmest Warmest since: 1949 2012
Ties: 1986
Jul 1949–May 1950
11-Month
46.2°F
(7.9°C)
46.3°F
(7.9°C)
-0.1°F
(0.0°C)
53rd Coolest Coolest since: 1947 1904
72nd Warmest Warmest since: 1949 2012
Ties: 1906, 1913, 1923, 1984
Jun 1949–May 1950
12-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1947 1904
58th Warmest Warmest since: 1949 2012
Ties: 1900, 1928
Dec 1948–May 1950
18-Month
44.4°F
(6.9°C)
44.0°F
(6.7°C)
0.4°F
(0.2°C)
79th Coolest Coolest since: 1949 1918
45th Warmest Warmest since: 1945 2017
Ties: 1898, 1940, 1990
Jun 1948–May 1950
24-Month
48.6°F
(9.2°C)
48.2°F
(9.0°C)
0.4°F
(0.2°C)
79th Coolest Coolest since: 1948 1905
45th Warmest Warmest since: 1949 2017
Ties: 1941, 1943, 1945, 1957, 1965, 1973, 1981, 1984
Jun 1947–May 1950
36-Month
48.7°F
(9.3°C)
48.2°F
(9.0°C)
0.5°F
(0.3°C)
80th Coolest Coolest since: 1949 1905, 1918, 1979
43rd Warmest Warmest since: 1943 2000
Ties: 1924, 1954
Jun 1946–May 1950
48-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
67th Coolest Coolest since: 1949 1980
55th Warmest Warmest since: 1949 2001, 2002, 2007
Ties: 1925, 1948, 1949, 1984, 2016
Jun 1945–May 1950
60-Month
48.4°F
(9.1°C)
48.2°F
(9.0°C)
0.2°F
(0.1°C)
65th Coolest Coolest since: 1948 1907, 1908
56th Warmest Warmest since: 1949 2002
Ties: 1948, 1955

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/