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 3. West

Average Temperature Rankings, May 1999

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
May 1999
1-Month
63.8°F
(17.7°C)
62.3°F
(16.8°C)
1.5°F
(0.9°C)
83rd Coolest Coolest since: 1997 1924
43rd Warmest Warmest since: 1998 2018
Apr–May 1999
2-Month
58.9°F
(14.9°C)
56.8°F
(13.8°C)
2.1°F
(1.1°C)
103rd Coolest Coolest since: 1997 1907
23rd Warmest Warmest since: 1998 1896
Ties: 1895, 1970
Mar–May 1999
3-Month
52.0°F
(11.1°C)
50.9°F
(10.5°C)
1.1°F
(0.6°C)
81st Coolest Coolest since: 1997 1960
45th Warmest Warmest since: 1998 2012
Ties: 1939
Feb–May 1999
4-Month
48.2°F
(9.0°C)
45.2°F
(7.3°C)
3.0°F
(1.7°C)
112th Coolest Coolest since: 1997 1978
14th Warmest Warmest since: 1998 2012
Jan–May 1999
5-Month
43.1°F
(6.2°C)
41.0°F
(5.0°C)
2.1°F
(1.2°C)
106th Coolest Coolest since: 1997 1978
20th Warmest Warmest since: 1998 2012
Ties: 1939, 1986, 2004
Dec 1998–May 1999
6-Month
41.6°F
(5.3°C)
38.9°F
(3.8°C)
2.7°F
(1.5°C)
113th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1998 2012
Ties: 1896, 1938
Nov 1998–May 1999
7-Month
42.1°F
(5.6°C)
39.1°F
(3.9°C)
3.0°F
(1.7°C)
113th Coolest Coolest since: 1997 1978
12th Warmest Warmest since: 1998 2012
Oct 1998–May 1999
8-Month
43.7°F
(6.5°C)
40.9°F
(4.9°C)
2.8°F
(1.6°C)
114th Coolest Coolest since: 1997 1978
11th Warmest Warmest since: 1998 2012
Ties: 1976
Sep 1998–May 1999
9-Month
46.7°F
(8.2°C)
43.7°F
(6.5°C)
3.0°F
(1.7°C)
117th Coolest Coolest since: 1998 1978
8th Warmest Warmest since: 1932 2012
Aug 1998–May 1999
10-Month
49.6°F
(9.8°C)
46.8°F
(8.2°C)
2.8°F
(1.6°C)
118th Coolest Coolest since: 1998 1978
7th Warmest Warmest since: 1932 2012
Jul 1998–May 1999
11-Month
52.0°F
(11.1°C)
49.5°F
(9.7°C)
2.5°F
(1.4°C)
117th Coolest Coolest since: 1998 1904
8th Warmest Warmest since: 1932 2012
Jun 1998–May 1999
12-Month
53.5°F
(11.9°C)
51.2°F
(10.7°C)
2.3°F
(1.2°C)
116th Coolest Coolest since: 1998 1904
9th Warmest Warmest since: 1954 2012
Dec 1997–May 1999
18-Month
50.0°F
(10.0°C)
47.1°F
(8.4°C)
2.9°F
(1.6°C)
121st Coolest Coolest since: 1998 1979
3rd Warmest Warmest since: 1932 2017
Jun 1997–May 1999
24-Month
53.2°F
(11.8°C)
51.2°F
(10.7°C)
2.0°F
(1.1°C)
114th Coolest Coolest since: 1998 1905
10th Warmest Warmest since: 1955 2017
Ties: 1933
Jun 1996–May 1999
36-Month
52.0°F
(11.1°C)
51.2°F
(10.7°C)
0.8°F
(0.4°C)
91st Coolest Coolest since: 1998 1979
32nd Warmest Warmest since: 1992 2018
Ties: 1954, 1988
Jun 1995–May 1999
48-Month
51.5°F
(10.8°C)
51.2°F
(10.7°C)
0.3°F
(0.1°C)
74th Coolest Coolest since: 1998 1980
48th Warmest Warmest since: 1993 1935
Ties: 1949, 1976
Jun 1994–May 1999
60-Month
51.6°F
(10.9°C)
51.2°F
(10.7°C)
0.4°F
(0.2°C)
78th Coolest Coolest since: 1998 1906, 1907, 1979
43rd Warmest Warmest since: 1993 1935
Ties: 1922, 1940, 1944, 1946, 1950, 1959, 1976, 1987, 2014

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/