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, June 1940

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1940
1-Month
71.5°F
(21.9°C)
70.4°F
(21.3°C)
1.1°F
(0.6°C)
72nd Coolest
Coolest since:
1903
57th Warmest
Warmest since:
1933
Ties: 1963, 2012
May–Jun 1940
2-Month
64.4°F
(18.0°C)
65.7°F
(18.7°C)
-1.3°F
(-0.7°C)
28th Coolest
Coolest since:
1907
101st Warmest
Warmest since:
2018
Ties: 1968, 1976, 1989
Apr–Jun 1940
3-Month
58.8°F
(14.9°C)
60.4°F
(15.8°C)
-1.6°F
(-0.9°C)
21st Coolest
Coolest since:
1907
108th Warmest
Warmest since:
1991
Mar–Jun 1940
4-Month
52.7°F
(11.5°C)
54.9°F
(12.7°C)
-2.2°F
(-1.2°C)
12th Coolest
Coolest since:
1926, 1960
117th Warmest
Warmest since:
2012
Ties: 1906, 1996
Feb–Jun 1940
5-Month
47.9°F
(8.8°C)
49.4°F
(9.7°C)
-1.5°F
(-0.9°C)
28th Coolest
Coolest since:
1904, 1947
101st Warmest
Warmest since:
2012
Ties: 1928
Jan–Jun 1940
6-Month
42.0°F
(5.6°C)
45.1°F
(7.3°C)
-3.1°F
(-1.7°C)
6th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2012
Ties: 1924
Dec 1939–Jun 1940
7-Month
40.7°F
(4.8°C)
42.7°F
(5.9°C)
-2.0°F
(-1.1°C)
17th Coolest
Coolest since:
1904
111th Warmest
Warmest since:
2012
Ties: 1951
Nov 1939–Jun 1940
8-Month
40.4°F
(4.7°C)
42.3°F
(5.7°C)
-1.9°F
(-1.0°C)
18th Coolest
Coolest since:
1904
110th Warmest
Warmest since:
2012
Ties: 1996
Oct 1939–Jun 1940
9-Month
42.1°F
(5.6°C)
43.6°F
(6.4°C)
-1.5°F
(-0.8°C)
20th Coolest
Coolest since:
1904
108th Warmest
Warmest since:
2012
Ties: 1907, 1963
Sep 1939–Jun 1940
10-Month
44.8°F
(7.1°C)
45.7°F
(7.6°C)
-0.9°F
(-0.5°C)
29th Coolest
Coolest since:
1904
99th Warmest
Warmest since:
2012
Ties: 1994
Aug 1939–Jun 1940
11-Month
47.2°F
(8.4°C)
48.1°F
(8.9°C)
-0.9°F
(-0.5°C)
26th Coolest
Coolest since:
1904
102nd Warmest
Warmest since:
2012, 2017
Ties: 1910, 1996
Jul 1939–Jun 1940
12-Month
49.5°F
(9.7°C)
50.4°F
(10.2°C)
-0.9°F
(-0.5°C)
30th Coolest
Coolest since:
1904
98th Warmest
Warmest since:
2012
Ties: 1993
Jan 1939–Jun 1940
18-Month
48.5°F
(9.2°C)
48.5°F
(9.2°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1905
71st Warmest
Warmest since:
2017
Ties: 1928, 1973, 2009
Jul 1938–Jun 1940
24-Month
50.8°F
(10.4°C)
50.3°F
(10.2°C)
0.5°F
(0.2°C)
78th Coolest
Coolest since:
1905
49th Warmest
Warmest since:
2017
Ties: 1973, 1975, 1998, 2009
Jul 1937–Jun 1940
36-Month
50.8°F
(10.4°C)
50.3°F
(10.2°C)
0.5°F
(0.2°C)
79th Coolest
Coolest since:
1905, 1906
47th Warmest
Warmest since:
2018
Ties: 1944, 1949, 2010
Jul 1936–Jun 1940
48-Month
50.9°F
(10.5°C)
50.3°F
(10.2°C)
0.6°F
(0.3°C)
82nd Coolest
Coolest since:
1905
43rd Warmest
Warmest since:
2019
Ties: 1941, 1944, 1986, 2011
Jul 1935–Jun 1940
60-Month
50.4°F
(10.2°C)
50.2°F
(10.1°C)
0.2°F
(0.1°C)
54th Coolest
Coolest since:
1906
70th Warmest
Warmest since:
2020
Ties: 1948, 1952, 1977, 1985

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