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 8. Southwest

Average Temperature Rankings, June 1951

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1951
1-Month
72.0°F
(22.2°C)
73.9°F
(23.3°C)
-1.9°F
(-1.1°C)
25th Coolest
Coolest since:
1903
104th Warmest
Warmest since:
1952
Ties: 1906, 1997
May–Jun 1951
2-Month
69.0°F
(20.6°C)
69.5°F
(20.8°C)
-0.5°F
(-0.2°C)
47th Coolest
Coolest since:
1907
82nd Warmest
Warmest since:
2018
Ties: 1969, 1972, 1993
Apr–Jun 1951
3-Month
63.2°F
(17.3°C)
64.8°F
(18.2°C)
-1.6°F
(-0.9°C)
17th Coolest
Coolest since:
1907
112th Warmest
Warmest since:
2010
Ties: 1903, 1973
Mar–Jun 1951
4-Month
57.8°F
(14.3°C)
59.7°F
(15.4°C)
-1.9°F
(-1.1°C)
15th Coolest
Coolest since:
1960
114th Warmest
Warmest since:
2012
Feb–Jun 1951
5-Month
53.3°F
(11.8°C)
54.8°F
(12.7°C)
-1.5°F
(-0.9°C)
26th Coolest
Coolest since:
1912, 1960, 1978
103rd Warmest
Warmest since:
2012
Jan–Jun 1951
6-Month
49.8°F
(9.9°C)
50.8°F
(10.4°C)
-1.0°F
(-0.5°C)
35th Coolest
Coolest since:
1912, 1978
94th Warmest
Warmest since:
2012
Ties: 1897, 1916, 1926, 1963
Dec 1950–Jun 1951
7-Month
46.8°F
(8.2°C)
48.5°F
(9.2°C)
-1.7°F
(-1.0°C)
17th Coolest
Coolest since:
1978
111th Warmest
Warmest since:
2012
Ties: 1917, 1958
Nov 1950–Jun 1951
8-Month
45.7°F
(7.6°C)
48.0°F
(8.9°C)
-2.3°F
(-1.3°C)
7th Coolest
Coolest since:
1912
121st Warmest
Warmest since:
2012
Oct 1950–Jun 1951
9-Month
47.6°F
(8.7°C)
49.1°F
(9.5°C)
-1.5°F
(-0.8°C)
19th Coolest
Coolest since:
1912, 1978
109th Warmest
Warmest since:
2012
Sep 1950–Jun 1951
10-Month
49.4°F
(9.7°C)
51.1°F
(10.6°C)
-1.7°F
(-0.9°C)
11th Coolest
Coolest since:
1978
117th Warmest
Warmest since:
2012
Ties: 1902, 1936, 1960
Aug 1950–Jun 1951
11-Month
51.4°F
(10.8°C)
53.3°F
(11.8°C)
-1.9°F
(-1.0°C)
8th Coolest
Coolest since:
1904, 1978
120th Warmest
Warmest since:
2012
Jul 1950–Jun 1951
12-Month
53.3°F
(11.8°C)
55.4°F
(13.0°C)
-2.1°F
(-1.2°C)
7th Coolest
Coolest since:
1904, 1912, 1918, 1978
121st Warmest
Warmest since:
2012
Ties: 1968
Jan 1950–Jun 1951
18-Month
52.6°F
(11.4°C)
53.9°F
(12.2°C)
-1.3°F
(-0.8°C)
10th Coolest
Coolest since:
1979
118th Warmest
Warmest since:
2017
Ties: 1906
Jul 1949–Jun 1951
24-Month
54.5°F
(12.5°C)
55.4°F
(13.0°C)
-0.9°F
(-0.5°C)
15th Coolest
Coolest since:
1978, 1979
112th Warmest
Warmest since:
2017
Ties: 1952, 1968, 1971, 1983, 1997
Jul 1948–Jun 1951
36-Month
54.9°F
(12.7°C)
55.3°F
(12.9°C)
-0.4°F
(-0.2°C)
28th Coolest
Coolest since:
1979
98th Warmest
Warmest since:
2018
Ties: 1900, 1908, 1917, 1928, 1952, 1997, 2015
Jul 1947–Jun 1951
48-Month
55.2°F
(12.9°C)
55.4°F
(13.0°C)
-0.2°F
(-0.1°C)
40th Coolest
Coolest since:
1980
85th Warmest
Warmest since:
2019
Ties: 1901, 1903, 1909, 1914, 1921, 1926, 1928, 1952, 1965, 1966, 1977
Jul 1946–Jun 1951
60-Month
55.1°F
(12.8°C)
55.4°F
(13.0°C)
-0.3°F
(-0.2°C)
35th Coolest
Coolest since:
1980
89th Warmest
Warmest since:
2020
Ties: 1901, 1910, 1921, 1929, 1960, 1965, 1966, 1968, 1977, 1985, 1986

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