Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 2. Northeast

Average Temperature Rankings, April 1999

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1999
1-Month
50.6°F
(10.3°C)
47.8°F
(8.8°C)
2.8°F
(1.5°C)
101st Coolest
Coolest since:
1907
28th Warmest
Warmest since:
1915
Ties: 1987, 2021
Mar–Apr 1999
2-Month
42.9°F
(6.1°C)
41.8°F
(5.4°C)
1.1°F
(0.7°C)
82nd Coolest
Coolest since:
1926
47th Warmest
Warmest since:
2012
Feb–Apr 1999
3-Month
39.9°F
(4.4°C)
36.2°F
(2.3°C)
3.7°F
(2.1°C)
112th Coolest
Coolest since:
1904
17th Warmest
Warmest since:
2012
Ties: 2005
Jan–Apr 1999
4-Month
34.9°F
(1.6°C)
32.4°F
(0.2°C)
2.5°F
(1.4°C)
103rd Coolest
Coolest since:
1912
26th Warmest
Warmest since:
2012
Ties: 1945, 1981
Dec 1998–Apr 1999
5-Month
34.7°F
(1.5°C)
31.2°F
(-0.4°C)
3.5°F
(1.9°C)
115th Coolest
Coolest since:
1904
13th Warmest
Warmest since:
2012
Nov 1998–Apr 1999
6-Month
36.1°F
(2.3°C)
32.3°F
(0.2°C)
3.8°F
(2.1°C)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Ties: 2006
Oct 1998–Apr 1999
7-Month
38.7°F
(3.7°C)
35.1°F
(1.7°C)
3.6°F
(2.0°C)
119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Ties: 2006
Sep 1998–Apr 1999
8-Month
42.4°F
(5.8°C)
38.7°F
(3.7°C)
3.7°F
(2.1°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012
Aug 1998–Apr 1999
9-Month
45.8°F
(7.7°C)
42.3°F
(5.7°C)
3.5°F
(2.0°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012, 2017
Jul 1998–Apr 1999
10-Month
48.6°F
(9.2°C)
45.4°F
(7.4°C)
3.2°F
(1.8°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012
Ties: 1921
Jun 1998–Apr 1999
11-Month
50.4°F
(10.2°C)
47.5°F
(8.6°C)
2.9°F
(1.6°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012
Ties: 2000
May 1998–Apr 1999
12-Month
51.6°F
(10.9°C)
48.4°F
(9.1°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1904, 1918
4th Warmest
Warmest to Date
2012
Ties: 2006
Nov 1997–Apr 1999
18-Month
46.7°F
(8.2°C)
43.1°F
(6.2°C)
3.6°F
(2.0°C)
125th Coolest
Coolest since:
1905, 1918
2nd Warmest
Warmest to Date
2017
Ties: 2013
May 1997–Apr 1999
24-Month
50.8°F
(10.4°C)
48.4°F
(9.1°C)
2.4°F
(1.3°C)
122nd Coolest
Coolest since:
1905
5th Warmest
Warmest to Date
2017
Ties: 2006
May 1996–Apr 1999
36-Month
49.7°F
(9.8°C)
48.5°F
(9.2°C)
1.2°F
(0.6°C)
104th Coolest
Coolest since:
1918
22nd Warmest
Warmest since:
2000
Ties: 2014
May 1995–Apr 1999
48-Month
49.3°F
(9.6°C)
48.4°F
(9.1°C)
0.9°F
(0.5°C)
94th Coolest
Coolest since:
1980
31st Warmest
Warmest since:
2002
Ties: 1923, 1933, 1942, 1955, 1993
May 1994–Apr 1999
60-Month
49.4°F
(9.7°C)
48.5°F
(9.2°C)
0.9°F
(0.5°C)
97th Coolest
Coolest since:
1908, 1920
27th Warmest
Warmest since:
2002
Ties: 1923, 1993

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