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 7. East Southeast

Average Temperature Rankings, August 1940

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1940
1-Month
75.7°F
(24.3°C)
74.2°F
(23.4°C)
1.5°F
(0.9°C)
98th Coolest
Coolest since:
1915
31st Warmest
Warmest since:
1947
Ties: 1935, 1960, 1991
Jul–Aug 1940
2-Month
76.0°F
(24.4°C)
75.2°F
(24.0°C)
0.8°F
(0.4°C)
90th Coolest
Coolest since:
1915, 1967
39th Warmest
Warmest since:
1936
Ties: 1899, 1933, 1944, 1999
Jun–Aug 1940
3-Month
75.1°F
(23.9°C)
74.3°F
(23.5°C)
0.8°F
(0.4°C)
89th Coolest
Coolest since:
1927
40th Warmest
Warmest since:
1936
Ties: 1916, 1925, 1984, 2022
May–Aug 1940
4-Month
71.3°F
(21.8°C)
71.5°F
(21.9°C)
-0.2°F
(-0.1°C)
53rd Coolest
Coolest since:
1915
76th Warmest
Warmest since:
1936
Ties: 1895, 1906, 1908, 2017, 2020
Apr–Aug 1940
5-Month
67.2°F
(19.6°C)
67.8°F
(19.9°C)
-0.6°F
(-0.3°C)
38th Coolest
Coolest since:
1907
91st Warmest
Warmest since:
2010
Ties: 1898, 1974, 2020
Mar–Aug 1940
6-Month
62.6°F
(17.0°C)
63.5°F
(17.5°C)
-0.9°F
(-0.5°C)
33rd Coolest
Coolest since:
1960
96th Warmest
Warmest since:
2012
Ties: 2008
Feb–Aug 1940
7-Month
58.0°F
(14.4°C)
58.8°F
(14.9°C)
-0.8°F
(-0.5°C)
35th Coolest
Coolest since:
1904
94th Warmest
Warmest since:
2012
Ties: 1905, 1929
Jan–Aug 1940
8-Month
52.6°F
(11.4°C)
55.0°F
(12.8°C)
-2.4°F
(-1.4°C)
9th Coolest
Coolest since:
1978
120th Warmest
Warmest since:
2012
Ties: 1958
Dec 1939–Aug 1940
9-Month
50.6°F
(10.3°C)
52.3°F
(11.3°C)
-1.7°F
(-1.0°C)
15th Coolest
Coolest since:
1904
113th Warmest
Warmest since:
2012
Ties: 1951
Nov 1939–Aug 1940
10-Month
49.6°F
(9.8°C)
51.3°F
(10.7°C)
-1.7°F
(-0.9°C)
12th Coolest
Coolest since:
1904
116th Warmest
Warmest since:
2012
Ties: 1963, 1970, 1996
Oct 1939–Aug 1940
11-Month
50.4°F
(10.2°C)
51.8°F
(11.0°C)
-1.4°F
(-0.8°C)
22nd Coolest
Coolest since:
1904
106th Warmest
Warmest since:
2012
Ties: 1915, 1963
Sep 1939–Aug 1940
12-Month
52.2°F
(11.2°C)
53.1°F
(11.7°C)
-0.9°F
(-0.5°C)
30th Coolest
Coolest since:
1904
98th Warmest
Warmest since:
2012
Ties: 1969
Mar 1939–Aug 1940
18-Month
56.0°F
(13.3°C)
56.5°F
(13.6°C)
-0.5°F
(-0.3°C)
35th Coolest
Coolest since:
1904
93rd Warmest
Warmest since:
2012
Ties: 1925, 1928, 1959, 1960, 1969, 1985, 1996
Sep 1938–Aug 1940
24-Month
53.3°F
(11.8°C)
53.1°F
(11.7°C)
0.2°F
(0.1°C)
73rd Coolest
Coolest since:
1979
54th Warmest
Warmest since:
2017
Ties: 1947, 1972, 1976, 1995, 2004, 2009
Sep 1937–Aug 1940
36-Month
53.4°F
(11.9°C)
53.0°F
(11.7°C)
0.4°F
(0.2°C)
76th Coolest
Coolest since:
1979
50th Warmest
Warmest since:
2018
Ties: 1915, 1975
Sep 1936–Aug 1940
48-Month
53.3°F
(11.8°C)
53.0°F
(11.7°C)
0.3°F
(0.1°C)
68th Coolest
Coolest since:
1980
57th Warmest
Warmest since:
2019
Ties: 1925, 1938, 1958, 1986, 1998, 2015
Sep 1935–Aug 1940
60-Month
53.2°F
(11.8°C)
53.0°F
(11.7°C)
0.2°F
(0.1°C)
60th Coolest
Coolest since:
1906, 1981, 1982
64th Warmest
Warmest since:
2020
Ties: 1947

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