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 5. East

Average Temperature Rankings, August 2019

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 2019
1-Month
71.6°F
(22.0°C)
72.1°F
(22.3°C)
-0.5°F
(-0.3°C)
48th Coolest
Coolest since:
1915
81st Warmest
Warmest since:
1947
Ties: 1911, 1933
Jul–Aug 2019
2-Month
74.0°F
(23.3°C)
73.2°F
(22.9°C)
0.8°F
(0.4°C)
90th Coolest
Coolest since:
1915
39th Warmest
Warmest since:
1936
Ties: 1953, 2007, 2021
Jun–Aug 2019
3-Month
72.8°F
(22.7°C)
72.3°F
(22.4°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1915
49th Warmest
Warmest since:
1936
Ties: 1898, 1899, 1938, 1957
May–Aug 2019
4-Month
70.0°F
(21.1°C)
69.5°F
(20.8°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1915
54th Warmest
Warmest since:
1934
Ties: 1895, 1956, 1970, 2006
Apr–Aug 2019
5-Month
66.2°F
(19.0°C)
65.5°F
(18.6°C)
0.7°F
(0.4°C)
77th Coolest
Coolest since:
1907
52nd Warmest
Warmest since:
1991
Ties: 1962
Mar–Aug 2019
6-Month
61.1°F
(16.2°C)
61.0°F
(16.1°C)
0.1°F
(0.1°C)
54th Coolest
Coolest since:
1904, 1907
75th Warmest
Warmest since:
2012
Ties: 1908, 1910, 1929, 1931, 1945, 1970, 1990
Feb–Aug 2019
7-Month
56.4°F
(13.6°C)
56.2°F
(13.4°C)
0.2°F
(0.2°C)
66th Coolest
Coolest since:
1904
63rd Warmest
Warmest since:
2012
Ties: 1939, 1943
Jan–Aug 2019
8-Month
52.3°F
(11.3°C)
52.2°F
(11.2°C)
0.1°F
(0.1°C)
62nd Coolest
Coolest since:
1904, 1912
67th Warmest
Warmest since:
2012
Ties: 1908, 1975, 1989, 1993
Dec 2018–Aug 2019
9-Month
50.2°F
(10.1°C)
49.5°F
(9.7°C)
0.7°F
(0.4°C)
79th Coolest
Coolest since:
1904
49th Warmest
Warmest since:
2012
Ties: 1946, 1957
Nov 2018–Aug 2019
10-Month
48.6°F
(9.2°C)
48.5°F
(9.2°C)
0.1°F
(0.0°C)
61st Coolest
Coolest since:
1904
67th Warmest
Warmest since:
2012
Ties: 1972, 1980
Oct 2018–Aug 2019
11-Month
49.1°F
(9.5°C)
49.0°F
(9.4°C)
0.1°F
(0.1°C)
61st Coolest
Coolest since:
1904
67th Warmest
Warmest since:
2012
Ties: 1947, 1966, 1981
Sep 2018–Aug 2019
12-Month
50.8°F
(10.4°C)
50.3°F
(10.2°C)
0.5°F
(0.2°C)
77th Coolest
Coolest since:
1904
51st Warmest
Warmest since:
2012
Ties: 2013
Mar 2018–Aug 2019
18-Month
54.6°F
(12.6°C)
53.9°F
(12.2°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1904
43rd Warmest
Warmest since:
2012
Ties: 1956, 1957, 2004
Sep 2017–Aug 2019
24-Month
51.2°F
(10.7°C)
50.3°F
(10.2°C)
0.9°F
(0.5°C)
94th Coolest
Coolest since:
1905
33rd Warmest
Warmest since:
2017
Ties: 1914, 1956
Sep 2016–Aug 2019
36-Month
52.2°F
(11.2°C)
50.3°F
(10.2°C)
1.9°F
(1.0°C)
118th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2018
Ties: 1933, 1955, 2013
Sep 2015–Aug 2019
48-Month
52.7°F
(11.5°C)
50.3°F
(10.2°C)
2.4°F
(1.3°C)
124th Coolest
Coolest since:
1905
1st Warmest
Warmest to Date
2019
Sep 2014–Aug 2019
60-Month
52.0°F
(11.1°C)
50.2°F
(10.1°C)
1.8°F
(1.0°C)
120th Coolest
Coolest since:
1906
4th Warmest
Warmest since:
2020
Ties: 2006

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