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 October 2019. For more information, please see Climatological Rankings.


Illinois, Climate Division 1. Northwest

Average Temperature Rankings, April 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
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
April 1999
1-Month
51.3°F
(10.7°C)
48.3°F
(9.1°C)
3.0°F
(1.6°C)
100th Coolest Coolest since: 1998 2018
26th Warmest Warmest since: 1991 2010
Mar–Apr 1999
2-Month
43.2°F
(6.2°C)
41.9°F
(5.5°C)
1.3°F
(0.7°C)
84th Coolest Coolest since: 1997 1926
42nd Warmest Warmest since: 1998 2012
Ties: 1988, 2003
Feb–Apr 1999
3-Month
40.1°F
(4.5°C)
36.0°F
(2.2°C)
4.1°F
(2.3°C)
108th Coolest Coolest since: 1997 1912, 2014
18th Warmest Warmest since: 1998 2012
Jan–Apr 1999
4-Month
34.8°F
(1.6°C)
32.0°F
(0.0°C)
2.8°F
(1.6°C)
105th Coolest Coolest since: 1997 1912
21st Warmest Warmest since: 1998 2012
Ties: 2004
Dec 1998–Apr 1999
5-Month
34.3°F
(1.3°C)
30.6°F
(-0.8°C)
3.7°F
(2.1°C)
113th Coolest Coolest since: 1997 1979
12th Warmest Warmest since: 1998 2012
Nov 1998–Apr 1999
6-Month
35.7°F
(2.1°C)
31.7°F
(-0.2°C)
4.0°F
(2.3°C)
117th Coolest Coolest since: 1997 1912
8th Warmest Warmest since: 1998 2012
Ties: 2005, 2006
Oct 1998–Apr 1999
7-Month
38.2°F
(3.4°C)
34.5°F
(1.4°C)
3.7°F
(2.0°C)
115th Coolest Coolest since: 1997 1912
10th Warmest Warmest since: 1998 2012
Ties: 1976
Sep 1998–Apr 1999
8-Month
41.9°F
(5.5°C)
38.1°F
(3.4°C)
3.8°F
(2.1°C)
117th Coolest Coolest since: 1998 1904, 1912
8th Warmest Warmest since: 1932 2017
Aug 1998–Apr 1999
9-Month
45.4°F
(7.4°C)
41.8°F
(5.4°C)
3.6°F
(2.0°C)
117th Coolest Coolest since: 1998 1904
8th Warmest Warmest since: 1932 2017
Jul 1998–Apr 1999
10-Month
48.2°F
(9.0°C)
45.0°F
(7.2°C)
3.2°F
(1.8°C)
118th Coolest Coolest since: 1998 1904
7th Warmest Warmest since: 1932 2012
Ties: 1921
Jun 1998–Apr 1999
11-Month
50.1°F
(10.1°C)
47.2°F
(8.4°C)
2.9°F
(1.7°C)
117th Coolest Coolest since: 1998 1904
8th Warmest Warmest since: 1932 2012, 2017
May 1998–Apr 1999
12-Month
51.4°F
(10.8°C)
48.3°F
(9.1°C)
3.1°F
(1.7°C)
121st Coolest Coolest since: 1998 1918
4th Warmest Warmest since: 1932 2012, 2017
Ties: 1932, 2002
Nov 1997–Apr 1999
18-Month
46.2°F
(7.9°C)
42.7°F
(5.9°C)
3.5°F
(2.0°C)
122nd Coolest Coolest since: 1998 1918
2nd Warmest Warmest to Date 2017
Ties: 2013
May 1997–Apr 1999
24-Month
50.6°F
(10.3°C)
48.2°F
(9.0°C)
2.4°F
(1.3°C)
117th Coolest Coolest since: 1998 1905
7th Warmest Warmest since: 1932 2017
May 1996–Apr 1999
36-Month
49.4°F
(9.7°C)
48.2°F
(9.0°C)
1.2°F
(0.7°C)
101st Coolest Coolest since: 1998 1918
22nd Warmest Warmest since: 1992 2000
Ties: 1939, 1956, 2003
May 1995–Apr 1999
48-Month
48.9°F
(9.4°C)
48.1°F
(8.9°C)
0.8°F
(0.5°C)
87th Coolest Coolest since: 1998 1980
35th Warmest Warmest since: 1992 2002
Ties: 1945
May 1994–Apr 1999
60-Month
49.0°F
(9.4°C)
48.2°F
(9.0°C)
0.8°F
(0.4°C)
93rd Coolest Coolest since: 1998 1920
28th Warmest Warmest since: 1993 2002, 2006
Ties: 1925, 1933, 1936, 1943, 1958, 1993, 2018

Citing This Page

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