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 1998

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 1998
1-Month
65.6°F
(18.7°C)
59.7°F
(15.4°C)
5.9°F
(3.3°C)
119th Coolest Coolest since: 1997 1907
7th Warmest Warmest since: 1991 1977
Apr–May 1998
2-Month
57.8°F
(14.3°C)
54.0°F
(12.2°C)
3.8°F
(2.1°C)
114th Coolest Coolest since: 1997 1907
12th Warmest Warmest since: 1991 1977
Mar–May 1998
3-Month
51.2°F
(10.7°C)
47.9°F
(8.8°C)
3.3°F
(1.9°C)
113th Coolest Coolest since: 1997 1960
13th Warmest Warmest since: 1991 2012
Feb–May 1998
4-Month
47.6°F
(8.7°C)
41.9°F
(5.5°C)
5.7°F
(3.2°C)
123rd Coolest Coolest since: 1997 1947
3rd Warmest Warmest since: 1987 2012
Jan–May 1998
5-Month
43.4°F
(6.3°C)
37.5°F
(3.1°C)
5.9°F
(3.2°C)
124th Coolest Coolest since: 1997 1912
2nd Warmest Warmest to Date 2012
Dec 1997–May 1998
6-Month
40.9°F
(4.9°C)
35.4°F
(1.9°C)
5.5°F
(3.0°C)
123rd Coolest Coolest since: 1997 1979
2nd Warmest Warmest to Date 2012
Nov 1997–May 1998
7-Month
40.1°F
(4.5°C)
35.6°F
(2.0°C)
4.5°F
(2.5°C)
119th Coolest Coolest since: 1997 1904
6th Warmest Warmest to Date 2012
Oct 1997–May 1998
8-Month
41.7°F
(5.4°C)
37.7°F
(3.2°C)
4.0°F
(2.2°C)
119th Coolest Coolest since: 1997 1912
6th Warmest Warmest since: 1921 2012
Ties: 2002
Sep 1997–May 1998
9-Month
44.2°F
(6.8°C)
40.6°F
(4.8°C)
3.6°F
(2.0°C)
119th Coolest Coolest since: 1997 1904
6th Warmest Warmest since: 1932 2012
Ties: 1999
Aug 1997–May 1998
10-Month
46.6°F
(8.1°C)
43.6°F
(6.4°C)
3.0°F
(1.7°C)
116th Coolest Coolest since: 1997 1904
9th Warmest Warmest since: 1932 2012
Jul 1997–May 1998
11-Month
49.0°F
(9.4°C)
46.3°F
(7.9°C)
2.7°F
(1.5°C)
115th Coolest Coolest since: 1997 1904
10th Warmest Warmest since: 1932 2012
Jun 1997–May 1998
12-Month
50.8°F
(10.4°C)
48.2°F
(9.0°C)
2.6°F
(1.4°C)
115th Coolest Coolest since: 1997 1904
10th Warmest Warmest since: 1932 2012
Dec 1996–May 1998
18-Month
45.3°F
(7.4°C)
43.9°F
(6.6°C)
1.4°F
(0.8°C)
99th Coolest Coolest since: 1997 1918
25th Warmest Warmest since: 1992 2017
Ties: 2001, 2004
Jun 1996–May 1998
24-Month
48.8°F
(9.3°C)
48.2°F
(9.0°C)
0.6°F
(0.3°C)
86th Coolest Coolest since: 1997 1905
38th Warmest Warmest since: 1992 2017
Ties: 1949, 1974
Jun 1995–May 1998
36-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
68th Coolest Coolest since: 1997 1905, 1918, 1979
55th Warmest Warmest since: 1993 2000
Ties: 1902, 1947, 1958, 1966, 1973, 1975, 1986
Jun 1994–May 1998
48-Month
48.6°F
(9.2°C)
48.2°F
(9.0°C)
0.4°F
(0.2°C)
79th Coolest Coolest since: 1997 1980
43rd Warmest Warmest since: 1993 2001, 2002, 2007
Ties: 1937, 1939, 1943, 1945, 2011
Jun 1993–May 1998
60-Month
48.3°F
(9.1°C)
48.2°F
(9.0°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1997 1907, 1908
63rd Warmest Warmest since: 1995 2002
Ties: 1959, 1975, 1977, 1984

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/