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, August 2018

View Period (Months):
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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 2018
1-Month
73.5°F
(23.1°C)
71.1°F
(21.7°C)
2.4°F
(1.4°C)
109th Coolest
Coolest since:
1915
20th Warmest
Warmest since:
1947
Ties: 2003
Jul–Aug 2018
2-Month
73.4°F
(23.0°C)
72.2°F
(22.3°C)
1.2°F
(0.7°C)
95th Coolest
Coolest since:
1915
34th Warmest
Warmest since:
1936
Ties: 1899, 1938, 2019
Jun–Aug 2018
3-Month
72.5°F
(22.5°C)
70.9°F
(21.6°C)
1.6°F
(0.9°C)
101st Coolest
Coolest since:
1915
28th Warmest
Warmest since:
1988
Ties: 1899, 1999
May–Aug 2018
4-Month
70.9°F
(21.6°C)
67.9°F
(19.9°C)
3.0°F
(1.7°C)
121st Coolest
Coolest since:
1915
8th Warmest
Warmest since:
1934
Ties: 2010
Apr–Aug 2018
5-Month
64.8°F
(18.2°C)
63.9°F
(17.7°C)
0.9°F
(0.5°C)
87th Coolest
Coolest since:
1907
42nd Warmest
Warmest since:
1991
Ties: 1913, 1919, 1985
Mar–Aug 2018
6-Month
60.0°F
(15.6°C)
59.2°F
(15.1°C)
0.8°F
(0.5°C)
84th Coolest
Coolest since:
1926, 1950
45th Warmest
Warmest since:
2012
Ties: 1898, 1930, 1963, 2017
Feb–Aug 2018
7-Month
55.2°F
(12.9°C)
54.4°F
(12.4°C)
0.8°F
(0.5°C)
85th Coolest
Coolest since:
1904
44th Warmest
Warmest since:
2012
Ties: 1942, 2007
Jan–Aug 2018
8-Month
51.0°F
(10.6°C)
50.2°F
(10.1°C)
0.8°F
(0.5°C)
80th Coolest
Coolest since:
1912
49th Warmest
Warmest since:
2012
Ties: 1977, 1981
Dec 2017–Aug 2018
9-Month
48.2°F
(9.0°C)
47.5°F
(8.6°C)
0.7°F
(0.4°C)
81st Coolest
Coolest since:
1904
47th Warmest
Warmest since:
2012
Ties: 1946, 1968, 1992
Nov 2017–Aug 2018
10-Month
47.1°F
(8.4°C)
46.5°F
(8.1°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1904
47th Warmest
Warmest since:
2012
Ties: 1911, 1975
Oct 2017–Aug 2018
11-Month
48.0°F
(8.9°C)
47.1°F
(8.4°C)
0.9°F
(0.5°C)
93rd Coolest
Coolest since:
1904
35th Warmest
Warmest since:
2012
Ties: 1941
Sep 2017–Aug 2018
12-Month
49.6°F
(9.8°C)
48.5°F
(9.2°C)
1.1°F
(0.6°C)
96th Coolest
Coolest since:
1904
32nd Warmest
Warmest since:
2012
Ties: 1898
Mar 2017–Aug 2018
18-Month
53.0°F
(11.7°C)
52.0°F
(11.1°C)
1.0°F
(0.6°C)
93rd Coolest
Coolest since:
1904
35th Warmest
Warmest since:
2012
Ties: 1974, 1989
Sep 2016–Aug 2018
24-Month
50.7°F
(10.4°C)
48.5°F
(9.2°C)
2.2°F
(1.2°C)
119th Coolest
Coolest since:
1905
8th Warmest
Warmest since:
2017
Ties: 1932
Sep 2015–Aug 2018
36-Month
51.2°F
(10.7°C)
48.4°F
(9.1°C)
2.8°F
(1.6°C)
124th Coolest
Coolest since:
1905, 1979
2nd Warmest
Warmest since:
2000
Sep 2014–Aug 2018
48-Month
50.3°F
(10.2°C)
48.4°F
(9.1°C)
1.9°F
(1.1°C)
119th Coolest
Coolest since:
1905
6th Warmest
Warmest since:
2001
Ties: 2000, 2008
Sep 2013–Aug 2018
60-Month
49.4°F
(9.7°C)
48.4°F
(9.1°C)
1.0°F
(0.6°C)
95th Coolest
Coolest since:
1906
29th Warmest
Warmest since:
2002
Ties: 1923, 1988

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